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Explore every episode of the podcast Critical Thinking - Bug Bounty Podcast

Dive into the complete episode list for Critical Thinking - Bug Bounty Podcast. Each episode is cataloged with detailed descriptions, making it easy to find and explore specific topics. Keep track of all episodes from your favorite podcast and never miss a moment of insightful content.

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1–50 of 171

TitlePub. DateDuration
Episode 94: Zendesk Fiasco & the CTBB Naughty List24 Oct 202400:49:29

Episode 94: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel give their perspectives on the recent Zendesk fiasco and the ethical considerations surrounding it. They also highlight the launch of AuthzAI and some research from Ophion Security

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - AssetNote. Listen to their podcast https://www.criticalthinkingpodcast.io/sspod

Resources:

New music drop from our Boi YT

https://x.com/realytcracker/status/1847599657569956099

AuthzAI

https://authzai.com/

Ron Chan

https://x.com/ngalongc

Misconfigured User Auth Leads to Customer Messages

https://www.ophionsecurity.com/post/live-chat-blog-1-misconfigured-user-auth-leads-to-customer-messages

Zendesk Write-up

https://gist.github.com/hackermondev/68ec8ed145fcee49d2f5e2b9d2cf2e52

Response from Zendesk

https://gist.github.com/hackermondev/68ec8ed145fcee49d2f5e2b9d2cf2e52?permalink_comment_id=5232589#gistcomment-5232589

Timestamps

(00:00:00) Introduction

(00:05:29) AuthzAI and the return of Ron Chan

(00:13:50) Ophion Security Research

(00:18:12) Zendesk Drama

Episode 93: A Chat with Dr. Bouman - Life as a Hacker and a Doctor17 Oct 202401:41:29

Episode 93: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Dr. Jonathan Bouman to discuss his unique journey as both a Hacker and a Healthcare Professional. We talk through how he balances his dual careers, some ethical considerations of hacking in the context of healthcare, and highlight some experiences he’s had with Amazon's bug bounty program.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker. Checkout their ThreatLocker Detect! https://www.criticalthinkingpodcast.io/tl-detect

Today’s Guest - https://x.com/jonathanbouman?lang=en

Resources

Anyone can Access Deleted and Private Repository Data on GitHub

Filesender Github

Remote Code execution at ws1.aholdusa .com

APK-MITM

Hacking Dutch healthcare system

Fitness Youtube Channels

https://www.youtube.com/channel/UCpQ34afVgk8cRQBjSJ1xuJQ

https://www.youtube.com/@BullyJuice

Timestamps

(00:00:00) Introduction

(00:07:28) Medicine and Hacking

(00:19:36) Hacking on Amazon

(00:34:33) Collaboration and consistency

(00:44:13) SSTI Methodology

(01:06:10) iOS Hacking Methodology

(01:13:23) Hacking Healthcare

(01:32:19) Health tips for hacking

Episode 84: 0xLupin & Takeaways from Google's Las Vegas BugSwat15 Aug 202400:27:15

Episode 84: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Roni Carta (@0xLupin) to discuss their MVH win at the recent Google LHE, and share some technical observations they had with the target and the event.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: https://x.com/0xLupin

Today’s Sponsor - ThreatLocker

Timestamps:

(00:00:00) Introduction

(00:02:12) MHV Debrief

(00:09:05) Sandboxes and Comfort Zones

(00:13:24) SDKs and Legal Compliance

(00:19:29) Age of Target and Platform-Exclusive Hunters

Episode 83: Brainstorming Proxy Plugins08 Aug 202400:54:50

Episode 83: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin are brainstorming new features and improvements for Caido, such as the implementation of a 403 bypassing workflow, a text expander, Tracing Cookies, and more.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources:

Post from Gareth Heyes

https://x.com/garethheyes/status/1811084674988474417

Wiki List of XML and HTML

https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references#List_of_character_entity_references_in_HTML

HackerOne Leaderboard Changes

https://x.com/scarybeasts/status/1810813103354892666

Espanso

https://espanso.org/

Critical Thinkers Discord

ctbb.show/criticalthinkers

Oauth Scan

https://portswigger.net/bappstore/8ef2db1173e8432c8797831c2e730727

Timestamps:

(00:00:00) Introduction

(00:03:12) News

(00:13:20) Into the Brainstorm

(00:13:41) 403 Bypasser

(00:20:34) "Expaido"

(00:31:34) Trace Cookies

(00:42:01) Highlight Decoding Expansion and AI integrations

(00:49:08) OAuth Testing, API Highlighter, and Note-taking

Episode 82: Part-Time Bug Bounty01 Aug 202400:36:32

Episode 82: In this episode of Critical Thinking - Bug Bounty Podcast Joel Margolis discusses strategies and tips for part-time bug bounty hunting. He covers things like finding (and enforcing) balance, picking programs and goals, and streamlining your process to optimize productivity.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources:

Evernote RCE Post

https://0reg.dev/blog/evernote-rce

ServiceNow Bug Chain

https://www.assetnote.io/resources/research/chaining-three-bugs-to-access-all-your-servicenow-data

Douglas Day's Talk on finding 'no's'

https://youtu.be/G1RHa7l1Ys4?si=TY16ULsEIfJ9CMKk

Timestamps:

(00:01:37) Introduction

(00:02:24) Evernote RCE Post

(00:06:47) AssetNote ServiceNow Bug Chain

(00:12:16) Part-Time Bug Bounty: Balance and Accountability

(00:18:04) Picking programs: Impact and Payout

(00:28:46) Streamline your process

Episode 81: Crushing Client-Side on Any Scope with MatanBer25 Jul 202402:04:48

Episode 81: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by MatanBer to go over some recent bug reports, as well as share some tips and tricks on client-side hacking and using DevTools effectively.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Today’s Guest: https://x.com/MtnBer

Resources:

Beyond XSS

https://aszx87410.github.io/beyond-xss/en/

Web VSCode XSS

https://gitlab.com/gitlab-org/gitlab/-/issues/461328

Timestamps

(00:00:00) Introduction

(00:05:24) Learning and Labs

(00:17:29) DevTools tips and tricks

(00:49:49) General Client-Side hacking tips

(01:09:59) Self-XSS Storytime

(01:32:16) Bug Reports

(01:46:37) Brainstorming a Client-side HUD

Episode 80: Pwn2Own VS H1 Live Hacking Event (feat SinSinology)18 Jul 202402:49:26

Episode 80: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Sina Kheirkhah to talk about the start of his hacking journey and explore the differences between the Pwn2Own and HackerOne Events

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Today’s Guest: https://x.com/SinSinology

Blog: https://sinsinology.medium.com/

Resources:

WhatsUp Gold Pre-Auth RCE

Advanced .NET Exploitation Training

dnSpyEx

QEMU

Unicorn Engine

Qiling

libAFL

Alex Plaskett interview

TippingPoint

Flashback Team

Timestamps:

(00:00:00) Introduction

(00:12:45) Learning, Mentorship, and Failure

(00:29:34) Pentesting and Pwn2Own

(00:40:05) Hacking methodology

(01:01:57) Debuggers and shells in IoT Devices

(01:35:40) Differences between ZDI and HackerOne

(02:02:27) Pwn2Own Steps and Stories

(02:14:06) Master of Pwn Title

(02:29:54) Bug reports

Episode 79: The State of CSS Injection - Leaking Text Nodes & HTML Attributes11 Jul 202401:10:25

Episode 79: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive CSS injection, and explore topics like sequential import chaining, font ligatures, and attribute exfiltration.

Follow us on twitter at: @ctbbpodcast

Send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

SpaceRaccoon's Universal Code Execution Extensions

Escalating Client Side Path Traversal

Full-time Bug Bounty Blueprint

Sequential Import Chaining

CSS Exfiltation

Link that Justin was talking about

Font Ligatures

Lava Dome bypass

Stealing Data in Great Style

Steal Script Contents

Masato Kinugawa's tweet

Attacking with Just CSS

CSS Injection Primitives

Timestamps:

(00:00:00) Introduction

(00:02:32) Universal Code Execution

(00:11:32) Escalating Client Side Path Traversal

(00:16:56) Justin's Defcon talk & Bug Bounty Blueprint

(00:23:32) CSS Injection

(00:39:23) Font Ligatures

(00:54:30) Descent Override and display:block

Episode 78: Less Writing, More Hacking - Reporting Efficiency Techniques04 Jul 202401:06:25

Episode 78: In this episode of Critical Thinking - Bug Bounty Podcast we’re talking about writing reports. We share some tips that we’ve learned, and discuss ways that AI can (and can’t) help with that process. We also talk about the benefit of using tools like Fabric, Loom, and ShareX.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker

Resources:

XSS WAF Bypass by multi-char HTML entities

Shazzer

Next.js and cache poisoning

Nagli's Nuclei Template

hey why can't you fix this one bug

Justin's reporting templating software

Fabric

BB Report Formatter

2to3 Automated Python Converter

ShareX

Skitch

Timestamps:

(00:00:00) Introduction

(00:04:00) XSS WAF Bypass by Multi-char HTML Entities

(00:11:59) Next.js and Cache Poisoning

(00:18:03) Nagli's Nuclei Template and Sean Yeoh's Blog

(00:27:34) Report Writing and AI

(00:50:02) Reporting tips

Episode 77: Bug Bounty Mental - Practical Tips for Staying Sharp & Motivated27 Jun 202401:50:26

Episode 77: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin discuss some fresh writeups including some MongoDB injections, ORMs, and exploits in Kakao and iOS before pivoting into a conversation about staying motivated and avoiding burnout while hunting.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

MongoDB NoSQL Injection

https://soroush.me/blog/2024/06/mongodb-nosql-injection-with-aggregation-pipelines/

Mongo DB Is Web Scale

https://www.youtube.com/watch?v=b2F-DItXtZs

1-click Exploit in Kakao

https://stulle123.github.io/posts/kakaotalk-account-takeover/

Unsecure time-based secret and Sandwich Attack

https://www.aeth.cc/public/Article-Reset-Tolkien/secret-time-based-article-en.html

Reset Tolkien

https://github.com/AethliosIK/reset-tolkien

iOS URL Scheme Hijacking Revamped

https://evanconnelly.github.io/post/ios-oauth/

PLORMBING YOUR DJANGO ORM

https://www.elttam.com/blog/plormbing-your-django-orm/#content

Timestamps:

(00:00:00) Introduction

(00:02:07) MongoDB NoSQL Injection

(00:12:42) 1-click Exploit in Kakao

(00:33:21) Time-based secrets and Reset Tolkien

(00:39:26) iOS URL Scheme Hijacking Revamped

(00:51:42) ORMs

(00:58:57) Community Bug Submission

(01:07:45) Motivation, Mental Sharpness, and Burnout avoidance

Episode 76: Match & Replace - HTTP Proxies' Most Underrated Feature20 Jun 202401:34:43

Episode 76: In this episode of Critical Thinking - Bug Bounty Podcast we’re talking about Match and Replace and the often overlooked use cases for it, like bypassing paywalls, modifying host headers, and storing payloads. We also talk about the HackerOne Ambassador World Cup and the issues with dupe submissions, and go through some write-ups.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Resources

Zoom Session Takeover

https://nokline.github.io/bugbounty/2024/06/07/Zoom-ATO.html

SharePoint XXE

https://x.com/thezdi/status/1796207012520366552

Shazzer

https://shazzer.co.uk/

Timestamps:

(00:00:00) Introduction

(00:05:06) H1 Ambassador World Cup

(00:13:57) Zoom ATO bug

(00:33:28) SharePoint XXE

(00:39:36) Shazzer

(00:46:36) Match and Replace

(01:13:01) Match and Replace in Mobile

(01:21:13) Header Replacements

Episode 75: *Rerun* of The OG Bug Bounty King - Frans Rosen13 Jun 202402:44:52

Episode 75: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are sick, So instead of a new full episode, we're going back 30 episodes to review.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

Today's Guest: https://twitter.com/fransrosen

Detectify

Discovering s3 subdomain takeovers

https://labs.detectify.com/writeups/hostile-subdomain-takeover-using-heroku-github-desk-more/

bucket-disclose.sh

https://gist.github.com/fransr/a155e5bd7ab11c93923ec8ce788e3368

A deep dive into AWS S3 access controls

Attacking Modern Web Technologies

Live Hacking like a MVH

Account hijacking using Dirty Dancing in sign-in OAuth flows

Timestamps:

(00:00:00) Introduction

(00:11:41) Franz Rosen's Bug Bounty Journey and Detectify

(00:20:21) Pseudo-code, typing, and thinking like a dev

(00:27:11) Hunter Methodologies and automationists

(00:42:31) Time on targets, Iteration vs. Ideation

(00:58:01) S3 subdomain takeovers

(01:11:53) Blog posting and hosting motivations

(01:20:21) Detectify and entrepreneurial endeavors

(01:36:41) Attacking Modern Web Technologies

(01:52:51) postMessage and MessagePort

(02:05:00) Live Hacking and Collaboration

(02:20:41) Account Hijacking and OAuth Flows

(02:35:39) Hacking + Parenthood

Episode 92 - SAML XPath Confusion, Chinese DNS Poisoning, and AI Powered 403 Bypasser10 Oct 202400:47:38

Episode 92: In this episode of Critical Thinking - Bug Bounty Podcast In this episode Justin and Joel tackle a host of new research and write-ups, including Ruby SAML, 0-Click exploits in MediaTek Wi-Fi, and Vulnerabilities caused by The Great Firewall

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor - ThreatLocker. Checkout their ThreatLocker Detect! https://www.criticalthinkingpodcast.io/tl-detect

Resources:

Insecurity through Censorship

Ruby-SAML / GitLab Authentication Bypass

0-Click exploit discovered in MediaTek Wi-Fi chipsets

New Caido Plugin to Generate Wordlists

Bebik’s 403 Bypassor

CSPBypass

Arb Read & Arb write on LLaMa.cpp by SideQuest

XSS WAF Bypass One payload for all

Timestamps

(00:00:00) Introduction

(00:02:08) Vulnerabilities Caused by The Great Firewall

(00:07:25) Ruby SAML Bypass

(00:19:55) 0-Click exploit discovered in MediaTek Wi-Fi chipsets

(00:24:36) New Caido Wordlist Plugin

(00:31:00) CSPBypass.com

(00:35:37) Arb Read & Arb write on LLaMa.cpp by SideQuest

(00:43:10) Helpful WAF Bypass

Episode 74: Supply Chain Attack Primer - Popping RCE Without an HTTP Request (feat 0xLupin)06 Jun 202401:38:20

Episode 74: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Roni "Lupin" Carta for a deep dive into supply chain attacks and dependency confusion. We explore the supply chain attacks, the ethical considerations surrounding maintainers and hosting packages on public registries, and chat about the vision and uses of his new tool Depi.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Today’s Guest: https://x.com/0xLupin

Resources:

Dependency Confusion: How I Hacked Into Apple, Microsoft and Dozens of Other Companies

https://medium.com/@alex.birsan/dependency-confusion-4a5d60fec610

git-dump

https://github.com/tomnomnom/dotfiles/blob/master/scripts/git-dump

Depi

https://www.landh.tech/depi

Weak links of Supply Chain

https://arxiv.org/pdf/2112.10165

Timestamps:

(00:00:00) Introduction

(00:07:13) Overveiw of Supply Chain Flow

(00:15:14) Getting our Scope

(00:23:46) Depi

(00:29:12) Types of attacks and finding the 80/20

(00:45:06) Maintainer attacks

(01:10:40) Regestries, artifactories, and an npm bug

(01:31:51) Grafana NPX Confusion

Episode 73: Sandboxed IFrames and WAF Bypasses30 May 202400:31:13

Episode 73: In this episode of Critical Thinking - Bug Bounty Podcast we give a brief recap of Nahamcon and then touch on some topics like WAF bypass tools, sandboxed iframes, and programs redacting your reports.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Resources:

?. Tweet

https://x.com/garethheyes/status/1786836956032176215

NoWafPls

https://github.com/assetnote/nowafpls

Redacted Reports

https://x.com/deadvolvo/status/1790397012468199651

Breaking CORS

https://x.com/MtnBer/status/1794657827115696181

Sandbox-iframe XSS challenge solution

https://joaxcar.com/blog/2024/05/16/sandbox-iframe-xss-challenge-solution/

iframe and window.open magic

https://blog.huli.tw/2022/04/07/en/iframe-and-window-open/#detecting-when-a-new-window-has-finished-loading

domloggerpp

https://github.com/kevin-mizu/domloggerpp

Timestamps

(00:00:00) Introduction

(00:03:29) ?. Operator in JS and NoWafPls

(00:07:22) Redacting our own reports

(00:11:13) Breaking CORS

(00:17:07) Sandbox-iframes

(00:24:11) Dom hook plugins

Episode 72: Research TLDRs & Smuggling Payloads in Well Known Data Types23 May 202400:52:49

Episode 72: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss some hot research from the past couple months. This includes ways to smuggle payloads in phone numbers and IPv6 Addresses, the NextJS SSRF, the PDF.JS PoC drop, and a GitHub Enterprise Indirect Method Information bug. Also, we have an attack vector featured from Monke!

Follow us on twitter at: @ctbbpodcast

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Resources:

PDF.JS Bypass to XSS

https://github.com/advisories/GHSA-wgrm-67xf-hhpq

https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/

PDFium

NextJS SSRF by AssetNote

Better Bounty Transparency for hackers

Slonser IPV6 Research

Smuggling payloads in phone numbers

Automatic Plugin SQLi

DomPurify Bypass

Bug Bounty JP Podcast

Github Enterprise send() bug

https://x.com/creastery/status/1787327890943873055

https://x.com/Rhynorater/status/1788598984572813549

Timestamps:

(00:00:09) Introduction

(00:03:20) PDF.JS XSS and NextJS SSRF

(00:12:52) Better Bounty Transparency

(00:20:01) IPV6 Research and Phone Number Payloads

(00:28:20) Community Highlight and Automatic Plugin CVE-2024-27956

(00:33:26) DomPurify Bypass and Github Enterprise send() bug

(00:46:12) Caido cookie and header extension updates

Episode 71: More VDP Chats & AI Bias Bounty Strats with Keith Hoodlet16 May 202401:45:21

Episode 71: In this episode of Critical Thinking - Bug Bounty Podcast Keith Hoodlet joins us to weigh in on the VDP Debate. He shares some of his insights on when VDPs are appropriate in a company's security posture, and the challenges of securing large organizations. Then we switch gears and talk about AI bias bounties, where Keith explains the approach he takes to identify bias in chatbots and highlights the importance of understanding human biases and heuristics to better hack AI.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Today’s guest: Keith Hoodlet

https://securing.dev/

Resources:

Daniel Miessler's article about the security poverty line

https://danielmiessler.com/p/the-cybersecurity-skills-gap-is-another-instance-of-late-stage-capitalism/

Hacking AI Bias

https://securing.dev/posts/hacking-ai-bias/

Hacking AI Bias Video

https://youtu.be/AeFZA7xGIbE?si=TLQ7B3YtzPWXS4hq

Sarah's Hoodlet's new book

https://sarahjhoodlet.com

Link to Amazon Page

https://a.co/d/c0LTM8U

Timestamps:

(00:00:00) Introduction

(00:04:09) Keith's Appsec Journey

(00:16:24) The Great VDP Debate Redux

(00:47:18) Platform/Hunter Incentives and Government Regulation

(01:06:24) AI Bias Bounties

(01:26:27) AI Techniques and Bugcrowd Contest

Episode 70: NahamCon and CSP Bypasses Everywhere09 May 202400:43:08

Episode 70: In this episode of Critical Thinking - Bug Bounty Podcast we’re once again joined by Ben Sadeghipour to talk about some Nahamcon news, as well as discuss a couple other LHE’s taking place. Then they cover CI/CD and drop some cool CSP Bypasses.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today's Sponsor - Project Discovery: https://nux.gg/podcast

Today’s Guest: https://twitter.com/NahamSec

https://www.nahamcon.com/

Resources:

Depi

https://www.landh.tech/depi

Youtube CSP:

https://www.youtube.com/oembed?callback=alert()

Maps CSP:

https://maps.googleapis.com/maps/api/js?callback=alert()-print

Google APIs CSP

https://www.googleapis.com/customsearch/v1?callback=alert(1)

Google CSP

https://www.google.com/complete/search?client=chrome&q=123&jsonp=alert(1)//

CSP Bypass for opener.child.child.child.click()

https://octagon.net/blog/2022/05/29/bypass-csp-using-wordpress-by-abusing-same-origin-method-execution/

Timestamps:

(00:00:00) Introduction

(00:02:55) BSides Takeaways and hacking on Meta

(00:12:12) NahamCon News

(00:23:45) CI/CD and the launch of Depi

(00:33:29) CSP Bypasses

Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.02 May 202401:49:04

Episode 69: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Johan Carlsson to hear about some updates on his bug hunting journey. We deep-dive a CSP bypass he found in GitHub, a critical he found in GitLab's pipeline, and also talk through his approach to using script gadgets and adapting to highly CSP'd environments. Then we talk about his transition to full-time bug hunting, including the goals he’s set, the successes and challenges, and his current focus on specific bug types like ReDoS and OAuth, and the serendipitous nature of bug hunting.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Nuclei 3.2 Release: https://nux.gg/podcast

Today’s Guest:

https://twitter.com/joaxcar

https://joaxcar.com/blog/

Resources

Github CSP Bypass

https://gist.github.com/joaxcar/6e5a0a34127704f4ea9449f6ce3369fc

CSP Validator

https://cspvalidator.org/

Cross Window Forgery

https://www.paulosyibelo.com/2024/02/cross-window-forgery-web-attack-vector.html

Gitlab Crit

https://gist.github.com/joaxcar/9419b2df8778f26e9b02a741a8ec12f8

Timestamps

(00:00:00) Introduction

(00:09:34) Github CSP Bypass

(00:38:48) Script Gadgets and growth through Gitlab

(00:53:53) Gitlab pipeline bug

(01:12:32) Full-time Bug Bounty

Episode 68: 0-days & HTMX-SS with Mathias25 Apr 202401:03:53

Episode 68: In this episode of Critical Thinking - Bug Bounty Podcast Mathias is back with some fresh HTMX research, including CSP bypass using HTMX triggers, converting client-side response header injection to XSS, bypassing HTMX disable, and the challenges of using HTMX in larger applications and the potential performance trade-offs. We also talk about the results of his recent CTF Challenge, and explore some more facets of CDN-CGI functionality.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Project Discovery Conference: https://nux.gg/hss24

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

https://twitter.com/avlidienbrunn

Resources:

Masato Kinugawa's research on Teams

https://speakerdeck.com/masatokinugawa/how-i-hacked-microsoft-teams-and-got-150000-dollars-in-pwn2own?slide=33

subdomain-only 307 open redirect

https://avlidienbrunn.se/cdn-cgi/image/onerror=redirect/http://anything.avlidienbrunn.se

Timestamps

(00:00:00) Introduction

(00:05:18) CSP Bypass using HTML

(00:14:00) Converting client-side response header injection to XSS

(00:23:10) Bypassing hx-disable

(00:32:37) XSS-ing impossible elements

(00:38:22) CTF challenge Recap and knowing there's a bug

(00:51:53) hx-on (depreciated)

(00:54:30) CDN-CGI Research discussion

Episode 67: VDPs & Accidental Program VS Hacker Debate Part 218 Apr 202401:19:51

Episode 67: In this episode of Critical Thinking - Bug Bounty Podcast we deepdive on the topic of Vulnerability Disclosure Programs (VDPs) and whether they are beneficial or not. We also touch on the topic of leaderboard accuracy, and continue the Program VS Hacker debate regarding allocating funds for bounties.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Project Discovery Conference: https://nux.gg/hss24

Resources:

Nagli's Braindump on VDPs

https://twitter.com/galnagli/status/1780174392003031515

Timestamps:

(00:00:00) Introduction

(00:05:37) VDP programs

(00:34:10) Leaderboards

(00:43:52) Hacker vs. Program debate Part 2

(01:07:24) Walling Off Endpoints

Episode 66: CDN-CGI Research, Intent To Ship, and Louis Vuitton11 Apr 202400:58:20

Episode 66: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the recent YesWeHack Louis Vuitton LHE, the importance of failure as growth in bug bounty, and Justin shares his research on CDN CGI.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Project Discovery Conference: https://nux.gg/hss24

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

YesWeHack Luis Vuitton LHE

https://twitter.com/yeswehack/status/1776280653744554287

https://event.yeswehack.com/events/hack-me-im-famous-2

Caido Workflows

https://github.com/caido/workflows

Oauth Redirects

https://twitter.com/Akshanshjaiswl/status/1724143813088940192

Bagipro Golden URL techniques

https://hackerone.com/reports/431002

Roadmap I followed to make 15,000+$ Bounties in my first 8 months https://shreyaschavhan.notion.site/Roadmap-I-followed-to-make-15-000-Bounties-in-my-first-8-months-of-starting-out-and-my-journey-98b1b9ff621645c0b97d1e774992f300

Monke Hacks Blog

https://monkehacks.beehiiv.com/

PortSwigger post

https://x.com/PortSwiggerRes/status/1766087129908576760

post from Masato Kinugawa

https://x.com/kinugawamasato/status/916393484147290113

Timestamps:

(00:00:00) Introduction

(00:04:19) Louis Vuitton LHE

(00:13:57) Browser Market share

(00:21:13) Justin's Bug of the Week

(00:24:49) Caido Workflows

(00:27:24) Oauth Redirects

(00:32:24) Bug Bounty learning Methodology

(00:41:03) 'Intent To Ship'

(00:48:08) CDN-CGI Research

Episode 65: Motivation and Methodology with Sam Curry (Zlz)04 Apr 202402:29:05

Episode 65: In this episode of Critical Thinking - Bug Bounty Podcast we sit down with Sam Curry to discuss the ethical considerations and effectiveness of hacking, the importance of good intent, and the enjoyment Sam derives from pushing the boundaries to find bugs. He shares stories of his experiences, including hacking Tesla, online casinos,Starbucks, his own is ISP router, and even getting detained at the airport.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

Project Discovery Conference: https://nux.gg/hss24

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

https://samcurry.net/

Resources:

Don’t Force Yourself to Become a Bug Bounty Hunter

hackcompute

Starbucks Bug

recollapse

Timestamps:

(00:00:00) Introduction

(00:02:25) Hacking Journey and the limits of Ethical Hacking

(00:28:28) Selecting companies to hack

(00:33:22) Fostering passion vs. Forcing performance

(00:54:06) Collaboration and Hackcompute

(01:00:40) The Efficacy of Bug Bounty

(01:09:20) Secondary Context Bugs

(01:25:01) Mindmaps, note-taking, and Intuition.

(01:46:56) Back-end traversals and Unicode

(01:56:16) Hacking ISP

(02:06:58) Next.js and Crypto

(02:22:24) Dev vs. Prod JWT

Episode 91: Zero to LHE in 9 Months (feat gr3pme)03 Oct 202401:22:50

Episode 91: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner sits down with Critical Thinking’s own HackerNotes writer Brandyn Murtagh (gr3pme) to talk about his journey with Bug Bounty. We cover mentorship, networking and LHEs, ecosystem hacking, emotional regulation, and the need for self-care. Then we wrap up with some fun bugs.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Today’s Sponsor: Project Discovery - tldfinder: https://www.criticalthinkingpodcast.io/tldfinder

Today’s guest: https://x.com/gr3pme

Resources:

Lessons Learned for LHEs

https://x.com/Rhynorater/status/1579499221954473984

Timestamps:

(00:00:00) Introduction

(00:07:02) Mentorship in Bug Bounty

(00:16:30) LHE lessons, takeaways, and the benefit of feedback and networking

(00:41:28) Choosing Targets

(00:49:03) Vuln Classes

(00:58:54) Bug Reports

Episode 64: .NET Remoting, CDN Attack Surface, and Recon vs Main App 28 Mar 202401:08:04

Episode 64: In this episode of Critical Thinking - Bug Bounty Podcast we talk about Justin and Joel delve into .NET remoting and how it can be exploited, a recent bypass in the Dom Purify library and some interesting functionality in the Cloudflare CDN-CGI endpoint. They also touch on the importance of collaboration and knowledge sharing, JavaScript Deobfuscation, the value of impactful POCs, hiding XSS payloads with URL path updates.

Follow us on twitter at: @ctbbpodcast

send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Check out Project Discovery’s nuclei 3.2 release blog at nux.gg/podcast

Resources:

.NET Remoting

https://code-white.com/blog/leaking-objrefs-to-exploit-http-dotnet-remoting/

https://github.com/codewhitesec/HttpRemotingObjRefLeak

DOM Purify Bug

Cloudflare /cdn-cgi/

https://developers.cloudflare.com/fundamentals/reference/cdn-cgi-endpoint/

https://portswigger.net/research/when-security-features-collide

https://twitter.com/kinugawamasato/status/893404078365069312

https://twitter.com/m4ll0k/status/1770153059496108231

XSSDoctor's writeup on Javascript deobfuscation

renniepak's tweet

Naffy's tweet

Timestamps:

(00:00:00) Introduction

(00:07:15) .Net Remoting

(00:17:29) DOM Purify Bug

(00:25:56) Cloudflare /cdn-cgi/

(00:37:11) Javascript deobfuscation

(00:47:26) renniepak's tweet

(00:55:20) Naffy's tweet

Episode 63: JHaddix Returns21 Mar 202401:21:35

Episode 63: In this episode of Critical Thinking - Bug Bounty Podcast we welcome back Jason Haddix (From Episode 12) to talk about some updates to his The Bug Hunter's Methodology, as well as his own personal life and hacking journey. We talk about the start of his new company, and then venture into topics such as using threat intelligence and buying credentials from the dark web, recon techniques, and ways to integrate AI into your workflow (or target list).

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Today’s Guest:

https://twitter.com/Jhaddix

https://www.arcanum-sec.com/

Resources:

Dehashed

https://www.dehashed.com/

Flare

https://flare.io/

CSP Recon

https://github.com/edoardottt/csprecon

Timestamps:

(00:00:00) Introduction

(00:05:37) Updates to The Bug Hunter's Methodology

(00:14:46) Red Teaming

(00:21:29) Bug Bounty on the Dark Web

(00:36:19) FIS hunting

(00:47:59) New Recon Techniques 

(00:58:32) AI integrations and bounties

Episode 62: Frontend Language Oddities14 Mar 202400:58:43

Episode 62: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with some additional research resources that didn’t make the Portswigger Top-Ten, but that are worth looking at.

Follow us on twitter at: @ctbbpodcast

Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Resources:

Cool HTML Shit

https://twitter.com/jcubic/status/1764311080661082201

https://twitter.com/encodeart/status/1764218128374943764

Bug bounty Hunting Journeys

https://twitter.com/ajxchapman/status/1762101366057525521

https://monkehacks.beehiiv.com/p/monkehacks-02

Yelp Cookie Bridge Report

Deobfuscating/Unminifying Obfuscated Code

ChatGPT Source Watch

Web Security Research Reddit

Nahamsec Resources

Portswigger Nominations list

Abusing perspectives: https://hackerone.com/reports/2401115

PortSwigger CSS Exfiltration

https://github.com/PortSwigger/css-exfiltration

Timestamps:

(00:00:00) Introduction

(00:02:06) Cool HTML Shit

(00:15:31) Bug Bounty Journeys

(00:28:01) Yelp Cookie Bridge Bug

(00:37:56) Additional Research Resources

(00:46:34) CSS and abusing perspectives

Episode 61: A Hacker on Wall Street - JR0ch1707 Mar 202401:27:00

Episode 61: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Jasmin Landry to share some stories about startup security, bug bounty, and the challenges of balancing both. He also shares his methodology for discovering OAuth-related bugs, highlights some differences between structured learning and self-teaching, and then walks us through a couple arbitrary ATO’s and SSTI to RCE bugs he’s found lately.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest: Jasmin Landry

https://twitter.com/JR0ch17

Resources:

Dirty Dancing blog post

https://labs.detectify.com/writeups/account-hijacking-using-dirty-dancing-in-sign-in-oauth-flows/

OAuth 2.0 Threat Model and Security Considerations

https://datatracker.ietf.org/doc/html/rfc6819

OAuth 2.0 Security Best Current Practice

https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics

Timestamps:

(00:00:00) Introduction

(00:02:20) Meta Tag + DomPurify Bug

(00:09:36) Jasmin's Origin story

(00:28:23) Full time Bug bounty challenges

(00:36:57) Career jumps in Security and current Role

(00:47:32) OAuth Bug methodology and cool bug stories

(01:02:35) Social Engineering and Bug Bounty

(01:13:41) Arbitrary ATO bug

(01:19:41) SSTI to RCE bug

Episode 60: Our Take on PortSwigger's Top 10 Web Hacking Techniques of 202329 Feb 202401:24:37

Episode 60: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel review the Portswigger Research list of top 10 web hacking techniques of 2023.

Follow us on twitter at: @ctbbpodcast

Send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources:

Top 10 web hacking techniques of 2023

1: Smashing the state machine

8: From Akamai to F5 to NTLM

3: SMTP Smuggling

4: PHP filter chains

(Bonus Read)

5: HTTP Parsers Inconsistencies

6: HTTP Request Splitting

7: How I Hacked Microsoft Teams

9: Cookie Crumbles

(Bonus Read)

10: Hacking root EPP servers to take control of zones

Timestamps:

(00:00:00) Introduction

(00:04:26) 1: Smashing the state machine

(00:11:56) 8: From Akamai to F5 to NTLM... with love

(00:17:11) 3: SMTP Smuggling

(00:26:27) 4: PHP filter chains

(00:36:40) 5: HTTP Parsers Inconsistencies

(00:44:56) 6: HTTP Request Splitting

(00:53:43) 7: How I Hacked Microsoft Teams

(01:02:25) 9: Cookie Crumbles

(01:11:36) 10: EPP Server Takeover

Episode 59: Bug Bounty Gadget Hunting & Hacker's Intuition22 Feb 202401:39:09

Episode 59: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss the concept of gadgets and how they can be used to escalate the impact of vulnerabilities. We talk through things like HTML injection, image injection, CRLF injection, web cache deception, leaking window location, self-stored XSS, and much more.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Resources:

Even Better

NahamSec's 5 Week Program

NahamCon News

CSS Injection Research

Timestamps:

(00:00:00) Introduction

(00:03:31) Caido's New Features

(00:15:20) Nahamcon News and 5 week Bootcamp and pentest opportunity

(00:19:54) HTML Injection, CSS Injection, and Clickjacking

(00:33:11) Image Injection

(00:37:19) Open Redirects, Client-side path traversal, and Client-side Open Redirect

(00:49:51) Leaking window.location.href

(00:57:15) Cookie refresh gadget

(01:01:40) Stored XXS

(01:09:01) CRLF Injection

(01:13:24) 'A Place To Stand' in  GraphQL and ID Oracle

(01:18:23) Auth gadgets, Web Cache Deception, & LocalStorage poisoning

(01:27:46) Cookie Injection & Context Breaks

Episode 58: Youssef Sammouda - Client-Side & ATO War Stories15 Feb 202401:54:51

Episode 58: In this episode of Critical Thinking - Bug Bounty Podcast we finally sit down with Youssef Samouda and grill him on his various techniques for finding and exploiting client-side bugs and postMessage vulnerabilities. He shares some crazy stories about race conditions, exploiting hash change events, and leveraging scroll to text fragments. 

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Today’s Guest: https://twitter.com/samm0uda?lang=en

https://ysamm.com/

Resources:

Client-side race conditions with postMessage: 

https://ysamm.com/?p=742 

Transferable Objects

https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Transferable_objects

Every known way to get references to windows, in javascript:

https://bluepnume.medium.com/every-known-way-to-get-references-to-windows-in-javascript-223778bede2d

Youssef’s interview with BBRE

https://www.youtube.com/watch?v=MXH1HqTFNm0

Timestamps:

(00:00:00) Introduction

(00:04:27) Client-side race conditions with postMessage

(00:18:12) On Hash Change Events and Scroll To Text Fragments

(00:32:00) Finding, documenting, and reporting complex bugs

(00:37:32) PostMessage Methodology

(00:45:05) Youssef's Vuln Story

(00:53:42) Where and how to look for ATO vulns

(01:05:21) MessagePort

(01:14:37) Window frame relationships

(01:20:24) Recon and JS monitoring

(01:37:03) Client-side routing

(01:48:05) MITMProxy

Episode 57: Technical breakdown from Miami Hacking Event - H1-30508 Feb 202400:32:34

Episode 57: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are live from Miami, and recap their experience and share takeaways from the live hacking event. They highlight the importance of paying attention to client-side routing and the growing bug class of client-side path traversal. They also discuss the challenges of knowing when to cut your losses and the value of tracking time and setting goals. 

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Timestamps:

(00:00:00) Introduction

(00:03:50) Miami LHE Recap and Takeaways

(00:05:57) Keeping time and cutting losses.

(00:19:07) Roles and Goals

(00:23:33) OAuth

(00:28:52) HTML5 image to img Tip

Episode 56: Using Data Science to win Bug Bounty - Mayonaise (aka Jon Colston)01 Feb 202401:47:40

Episode 56: Using Data Science to win Bug Bounty - Mayonaise (aka Jon Colston)

Episode 56: In this episode of Critical Thinking - Bug Bounty Podcast, Justin sits down with Jon Colston to discuss how his background in digital marketing and data science has influenced his hunting methodology. We dive into subjects like data sources, automation, working backwards from vulnerabilities, applying conversion funnels to bug bounty, and the mayonaise signature 'Mother of All Bugs' 

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

WordFence - Sign up as a researcher! https://ctbb.show/wf

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount. 

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc. 

Today’s Guest:

https://hackerone.com/mayonaise?type=user

Timestamps:

(00:00:00) Introduction

(00:12:07) Evolving Hacking Methodologies & B2B Hacking

(00:23:57) Data Science + Bug Bounty

(00:34:37) 'Lead Generation for Vulns'

(00:41:39) Ingredients and Recipes

(00:49:45) Keyword Categorization

(00:54:30) Manual Processes and Recap

(01:07:08) Data Sources

(01:19:59) Digital Marketing + Bug Bounty

(01:32:22) M.O.A.B.s

(01:41:02) Burnout Protection and Dupe Analysis

Episode 55: Popping WordPress Plugins - Methodology Braindump25 Jan 202401:44:04

Episode 55: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is joined by Wordpress Security Researcher Ram Gall to discuss both functionality and vulnerabilities within Wordpress Plugins.

Follow us on twitter

Send us any feedback here:

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

WordFence - Sign up as a researcher! https://ctbb.show/wf

---

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

Ramuel Gall

UpdraftPlus Vuln

XML-RPC PingBack

Unicode and Character Sets

Reflected XSS

POP Chain

WordpressPluginDirectory

Subscriber+ RCE in Elementor

Subscriber+ SSRF

Unauthed XSS via User-Agent header

Timestamps:

(00:00:00) Introduction

(00:05:55) Add_action & Nonces

(00:26:16) Add_filter & Register_rest_routes

(00:38:39) Page-related code & Shortcodes

(00:50:24) Top Sinks for WP

(01:02:19) Echo & SQLI Sinks

(01:15:07) Nonce Leak and wp_handle_upload

(01:18:16) Page variables & Pop Chains

(01:26:55) WP Escalations & Bug Reports

Episode 90: 5k Clickjacking, Encryption Oracles, and Cursor for PoCs26 Sep 202400:51:42

Episode 90: In this episode of Critical Thinking - Bug Bounty Podcast Joel and Justin recap some of their recent hacking ups and downs and have a lively chat about Cursor. Then they cover some some research about SQL Injections, Clickjacking in Google Docs, and how to steal your Telegram account in 10 seconds.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Shop our new swag store at ctbb.show/swag

Today’s Sponsor: Project Discovery - tldfinder: https://www.criticalthinkingpodcast.io/tldfinder

Resources:

Breaking Down Barriers: Exploiting Pre-Auth SQL Injection in WhatsUp Gold

Content-Type that can be used for XSS

Clickjacking Bug in Google Docs

Justin's Gadget Link

https://www.youtube.com/signin?next=https%3A%2F%2Faccounts.youtube.com%2Faccounts%2FSetSID%3Fcontinue%3Dhttps%3A%2F%2Fwww.google.com%252Famp%252fpoc.rhynorater.com

Stealing your Telegram account in 10 seconds flat

Timestamps

(00:00:00) Introduction

(00:08:28) Recent Hacks and Dupes

(00:14:00) Cursor

(00:25:02) Exploiting Pre-Auth SQL Injection in WhatsUp Gold

(00:34:17) Content-Type that can be used for XSS

(00:40:25) Caido updates

(00:43:14) Clickjacking in Google Docs, and Stealing Telegram account

Episode 54: White Box Formulas - Vulnerable Coding Patterns18 Jan 202401:12:38

Episode 54: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel are back with news items and new projects. Joel shares about his personal scraping project to gather data on bug bounty programs and distribution Next, they announce the launch of HackerNotes, a podcast companion that will summarize the main technical points of each episode. They also discuss a recent GitLab CVE and an invisible prompt injection, before diving into a discussion (or debate) about vulnerable code patterns.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Gitlab CVE

https://github.com/Vozec/CVE-2023-7028

https://about.gitlab.com/releases/2024/01/11/critical-security-release-gitlab-16-7-2-released/

Fix commit: https://gitlab.com/gitlab-org/gitlab/-/commit/abe79e4ec437988cf16534a9dbba81b98a2e7f18

Invisible Prompt Injection

https://x.com/goodside/status/1745511940351287394?s=20

Regex 101

https://regex101.com

Regex to Strings

https://www.wimpyprogrammer.com/regex-to-strings/

Timestamps

(00:00:00) Introduction

(00:01:54) Joel’s H1 Data Scraping Research

(00:19:23) HackerNotes launch

(00:21:29) Gitlab CVE

(00:27:45) Invisible Prompt Injection

(00:33:52) Vulnerable Code Patterns

(00:37:51) Sanitization, but then modification of data afterward

(00:45:39) Auth check inside body of if statement

(00:48:15) sCheck for bad patterns with if, but then don't do any control flow

(00:50:21) Bad Regex

(01:00:36) Replace statements for sanitization

(01:04:32) Anything that allows you to call functions or control code flow in uncommon ways

Episode 53: 500k/yr as Full-Time Bug Hunter & Content Creator - Nahamsec11 Jan 202401:40:47

Episode 53: In this episode of Critical Thinking - Bug Bounty Podcast,we’re joined by none other than NahamSec. We start by discusses the challenges he faced on his journey in bug bounty hunting and content creation, including personal struggles and the pressure of success.We also talk about finding balance and managing mental energy, going the extra mile, and the importance of planning and setting goals for yourself before he walks us through some Blind XSS techniques.

Follow us on twitter at: @ctbbpodcast

Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Timestamps:

(00:00:00) Introduction

(00:01:37) Costs of Content Creation

(00:21:12) Hacking 'identities' and Pivoting

(00:36:49) Hacking Methodology

(00:58:59) Planning, Goals, and Nahamsec's 2023 Performance

(01:10:19) Blind XSS

(01:35:19) Going the extra mile in Bug Bounty

Episode 52: Best Technical Content from Year 1 of CTBB Podcast04 Jan 202403:00:00

Episode 52: In this episode of Critical Thinking - Bug Bounty Podcast we're going back and highlighting some of the best technical moments from the past year! Hope you enjoy this best of 2023 Supercut!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Timestamps:

(00:00:00) Introduction

(00:02:55) Episode 26: Meta tags and base tags in HTML

(00:15:20) Episode 27: Client-side path traversal

(00:23:18) Episode 27: Cookie bombing + cookie jar overflow

(00:35:47) Episode 44: Cross environment authentication bugs

(00:43:17) Episode 47: The open-faced Iframe Sandwich

(00:50:19) Episode 47: js hoisting and classic Joel nerdsnipe

(00:58:28) Episode 29: Sean Yeoh on Subdomains vs IP in recon

(01:04:05) Episode 30: Shubs on reversing enterprise software

(01:24:58) Episode 30: Shubs on building out a recon flow

(01:29:36) Episode 30: Shubs on Hacking IIS Servers

(01:36:45) Episode 37: 0xLupin on smart JavaScript analysis tools

(01:45:42) Episode 45: Frans Rosen On App cache, Service workers cookie stuffing, and postMessage

(02:15:02) Episode 50: Mathias Karlsson on XSLT and MXSS

(02:39:26) Episode 27: Assetnote's sharefile RCE

(02:48:18) Episode 31: Perforce RCE

(02:53:48) Episode 48: Sam Erb's XSLT bug story

(02:58:47) Final thoughts and Special Thanks

Episode 51: Hacker Stats 2023 & 2024 Goals28 Dec 202301:21:31

Episode 51: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel are back for the last episode of 2023. We discuss some noteworthy news items including a Hacker One Crit, Caido updates, and some Blind CSS. Then we dive into our own personal ‘Hackers Wrapped’ recap of the year, before laying out some goals for 2024.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Resources

Flow

Powertoys

Alfred

Pyperclip

Textgrab

CTF Payload Challenge

Hacker One Crit Report

Blind CSS Injection

Timestamps

(00:00:00) Introduction

(00:08:43) Keyboard Shortcut Utility Systems

(00:21:28) CTF Challenge By Frans

(00:32:40) Hacker One 25K Crit Disclosure

(00:36:31) Caido Searchbar Rework.

(00:40:51) Blind CSS Exfiltration

(00:44:10) 2023 Personal Bug Bounty Stats

(01:01:15) 2024 Personal Bug Bounty Goals

Episode 50: ­Mathias "Fall in a well" Karlsson - Bug Bounty Prophet21 Dec 202302:24:31

Episode 50: In this episode of Critical Thinking - Bug Bounty Podcast, Justin catches up with hacking master Mathias Karlsson, and talks about burnout, collaboration, and the importance of specialization. Then we dive into the technical details of MXSS and XSLT, character encoding, and give some predictions of what Bug Bounty might look like in the future…

Follow us on twitter at: @ctbbpodcast

Send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest

Episode Resources

How to Differentiate Yourself as a Hunter

MutateMethods

hackaplaneten

Article About Unicode and Character Sets

Byte Order Mark:

Character Encodings

ShapeCatcher

WAF Bypass

BountyDash

EXPLOITING HTTP'S HIDDEN ATTACK-SURFACE

Timestamps:

(00:00:00) Introduction

(00:10:06) Automation Setup and Assetnote Origins

(00:16:49) Sharing Tips, and Content Creation

(00:22:27) Collaboration and Optimization

(00:36:44) Working at Detectify

(00:51:45) Bug Bounty Burnout

(00:56:15) Early Days of Bug Bounty and Future Predictions

(01:19:00) Nerdsnipeability

(01:29:38) MXSS and XSLT

(01:54:20) Learning through being wrong

(02:00:15) Go-to Vulns

Episode 49: Getting Live Hacking Event Invites & Bug Bounty Collab with Nagli14 Dec 202300:51:33

Episode 49: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is once again joined by Nagli to discuss some of their recent hacking discoveries. They talk about finding and exploiting a backup file in an ASP.NET app, discovering vulnerabilities through Swagger files, and debating the vulnerability of a specific ‘undisclosed’ domain. Then they reflect on 2023’s Live Hacking Event circuit, and preview what’s to come in 2024’s.

This episode sponsored by Wordfence! Wordfence recently launched a game-changer of a bug bounty program with ALL WordPress plugins over 50k installs are in-scope. They are currently paying 6.25x their normal bounty amounts, and have agreed to give CT listeners a 10% bonus on top of that! If you wanna pop some crits and see those bounties roll in, head over to https://ctbb.show/wf for more info and keep an eye on the CTBB Discord for inspiration/collabs.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest

Episode Resources:

Shockwave

Why So Serial

New LHE Standards Dropped

Timestamps:

(00:00:00) Introduction

(00:02:37) wwwroot .zip Hack Recap

(00:13:44) Swagger File Hack Recap

(00:18:27) Undisclosed URL Hack Recap

(00:24:29) 2023 LHE Circut Recap

(00:37:14) 2024 LHE Preview and New Standards

(00:47:22) Bug Bounty Motivation

Episode 48: MVH, DEFCON Black Badge, Googler - Sam Erb07 Dec 202301:36:45

Episode 48: In this episode, joined by the spectacular Sam Erb, Google Security Engineer and DEFCON Black Badge winner. We talk about the importance of understanding how systems work to find vulnerabilities, and how his engineering background influences his hunting style and methodologies. Then we jump over to his Career Development and his work with Google, and then chat about some of the recent Google Vulnerability Programs.

This episode is sponsored by Wordfence! Wordfence recently launched a game-changer of a bug bounty program with ALL WordPress plugins over 50k installs are in-scope. They are currently paying 6.25x their normal bounty amounts, and have agreed to give CT listeners a 10% bonus on top of that! Head over to https://ctbb.show/wf for more info and keep an eye on the CTBB Discord for inspiration/collabs.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

—— Links ——

Follow your hosts Rhynorater & Teknogeek on twitter:

—— Ways to Support CTBBPodcast ——

Sign up for Caido using code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord

Discord premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Guest:

https://twitter.com/erbbysam

Sam Erbs Static Secret

Security Now Podcast

BIMI:

And

https://bimigroup.org/

Google Device Vulnerability Reward Program Initiatives

Google Invalid Reports

Hacking Google

Transcripts

(00:00:00) Introduction

(00:02:50) Hacker Methodology with Sam Erb

(00:12:20) Balancing Bug Hunting and Personal Life

(00:15:53) Deep Diving on a program and using automation.

(00:27:00) Optimizing Bug Hunting and Understanding Attack Vectors

(00:39:22) Collaboration and Boundaries

(00:45:42) Career Development and Entrepreneurship

(00:55:13) Winning Black Badges at DEFCON

(00:58:02) BufferOver

(01:09:11) Working at Google

(01:19:23) Google Bug Bounty Programs

(01:31:41) BONUS Cool Bugs

Episode 47: CSP Research, Iframe Hopping, and Client-side Shenanigans30 Nov 202301:31:52

Episode 47: In this episode of Critical Thinking - Bug Bounty Podcast, the holidays are fast approaching, and Justin and Joel discuss some of the struggles of getting back into the hacking groove during and after breaks. We also celebrate the newly launched Critical Thinking Discord Community before diving into Iframe Sandwhiches, JS Hoisting, CSP Bypasses, and a host of new tools, techniques, and tangents.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Hop on the CTBB Discord at https://ctbb.show/discord!

ThankUNext

jswzl

Rapid API

SSRF Utility tool by Bebiks

Tweet from Johan Carlsson

Burp Extension from Google VRP

Justin's Tweet about JS Hoisting

Bypass CSP Using WordPress

How to trick CSP in letting you run whatever you want

Timestamps:

(00:00:00) Introduction

(00:01:58) Overcoming Bug Bounty struggles and getting back into the hacking groove

(00:07:46) Taking notes and sticking to one program

(00:14:50) Critical Thinking Discord, Community highlights, and Competition vs Collaboration

(00:22:25) Secondary context bugs and Automationism

(00:28:42) ThankUNext and Client-side Paths

(00:33:45) Tool Tangents: Jswzl, Caido, Postman, and Rapid API

(00:46:49) New SSRF Utility tool by Bebiks and the continuing evolution of hacking tools

(00:51:45) Iframe Sandwiches

(00:58:54) News Items

(01:06:12) JS Hoisting

(01:15:05) CSP Bypasses

Episode 46: The SAML Ramble23 Nov 202300:43:40

Episode 46: In this episode of Critical Thinking - Bug Bounty Podcast, Justin is deep diving the topic of SAML (Security Assertion Markup Language), and walks through what it is and why it can be intimidating, before going over some key attack vectors to look for. Then he closes out with a commentary on a sample payload, and some HackerOne reports.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

KazHACKstan

https://kazhackstan.com/en

Testing SAML security with DAST

https://agrrrdog.blogspot.com/2023/01/testing-saml-security-with-dast.html

How to break SAML if I have paws?

https://speakerdeck.com/greendog/how-to-break-saml-if-i-have-paws?slide=20

How to Hunt Bugs in SAML; a Methodology

https://epi052.gitlab.io/notes-to-self/blog/2019-03-16-how-to-test-saml-a-methodology-part-three/

SAML Raider

https://portswigger.net/bappstore/c61cfa893bb14db4b01775554f7b802e

External Entity Injection during XML signature verification

https://bugs.chromium.org/p/project-zero/issues/detail?id=2313

mTLS: When certificate authentication is done wrong

https://github.blog/2023-08-17-mtls-when-certificate-authentication-is-done-wrong/

HackerOne Uber Report

https://hackerone.com/reports/136169

Timestamps:

(00:00:00) Introduction

(00:05:25) Understanding SAML and its complexities

(00:08:30) SAML Attack Vectors

(00:14:15) XML Signature Wrapping

(00:19:50) Some SAML tests to try

(00:30:30) Sample Payload description

(00:34:10) Token Recipient confusion

(00:36:05) HackerOne Reports

Episode 45: The OG Bug Bounty King - Frans Rosen16 Nov 202302:36:35

Episode 45: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Frans Rosén, an OG bug bounty hunter and co-founder of Detectify. We kick off with Frans sharing his journey bug bounty and security startups, before diving headfirst into a host of his blog posts. We also cover the value of pseudo-code for bug exploitation, understanding developer terminology, the challenges of collaboration and delegating tasks, and balancing hacking with parenting. If you're interested in bug bounty or entrepreneurship, you won't want to miss it!

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Join our Discord!

Today's Guest:

https://twitter.com/fransrosen

Detectify

Discovering s3 subdomain takeovers

Bucket Disclose

A deep dive into AWS S3 access controls

Attacking Modern Web Technologies

Live Hacking like a MVH

Account hijacking using Dirty Dancing in sign-in OAuth flows

Timestamps:

(00:00:00) Introduction

(00:04:50) Franz Rosen's Bug Bounty Journey and the creation of Detectify

(00:13:30) Benefits of pseudo-code, typing, and thinking like a developer

(00:20:20) Hunter Methodologies

(00:35:40) Time on targets, Iteration vs. Ideation, and tips for standing out

(00:51:10) S3 subdomain takeovers

(01:05:02) Blog posting and hosting motivations

(01:13:30) Detectify and entrepreneurial endeavors

(01:29:50) Attacking Modern Web Technologies

(01:46:00) postMessage and MessagePort

(01:58:09) Live Hacking and Collaboration

(02:13:50) Account Hijacking and OAuth Flows

(02:28:48) Hacking/Parenting

Episode 89: The Untapped Bug Bounty Landscape of IoT w/ Matt Brown19 Sep 202401:58:03

Episode 89: In this episode of Critical Thinking - Bug Bounty Podcast We’re joined live by Matt Brown to talk about his journey with hacking in the IoT. We cover the specializations and challenges in hardware hacking, and Matt’s personal Methodology. Then we switch over to touch on BGA Reballing, Certificate Pinning and Validation, and some of his own bug stories.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Find the Hackernotes: https://blog.criticalthinkingpodcast.io/

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Hop on the CTBB Discord at https://ctbb.show/discord!

We also do Discord subs at $25, $10, and $5 - premium subscribers get access to private masterclasses, exploits, tools, scripts, un-redacted bug reports, etc.

Today’s Sponsor: Project Discovery - tldfinder: https://www.criticalthinkingpodcast.io/tldfinder

Today’s Guess Matt Brown: https://x.com/nmatt0

Resources:

Decrypting SSL to Chinese Cloud Servers

https://www.youtube.com/watch?v=3qSxxNvuEtg

mitmrouter

https://github.com/nmatt0/mitmrouter

certmitm Automatic Exploitation of TLS Certificate Validation Vulns

https://www.youtube.com/watch?v=w_l2q_Gyqfo

and

https://media.defcon.org/DEF%20CON%2031/DEF%20CON%2031%20presentations/Aapo%20Oksman%20-%20certmitm%20automatic%20exploitation%20of%20TLS%20certificate%20validation%20vulnerabilities.pdf

https://github.com/aapooksman/certmitm

HackerOne Detailed Platform Standards

https://docs.hackerone.com/en/articles/8369826-detailed-platform-standards

Timestamps:

(00:00:00) Introduction

(00:13:33) Specialization and Challenges of IOT Hacking

(00:33:03) Decrypting SSL to Chinese Cloud Servers

(00:47:00) General IoT Hacking Methodology

(01:26:00) Certificate Pinning and Certificate Validation

(01:34:35) BGA Reballing

(01:43:26) Bug Stories

Episode 44: URL Parsing & Auth Bypass Magic09 Nov 202301:11:27

Episode 44: In this episode of Critical Thinking - Bug Bounty Podcast, the topic is URL structure, and Justin and Joel break down the elements that make up a URL and some common tips and tricks surrounding them which allow for all sorts of bypasses. We also round out the episode with some new tools, ato stories, and some controversial current events in the hacker scene.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

"XnlReveal" XNL h4ck3r

OAuth article by Salt Labs

H1 controversy recap

ATO through Facebook Login

https://twitter.com/Jayesh25_/status/1718543152296939861

https://twitter.com/itscachemoney/status/1721658450613346557

When URL Parsers disagree

Golden techniques to bypass host validations in Android apps

Mozilla article on HTTP Authentication

Breaking Parser Logic talk by Orange Tsai

URL Detector

SSRF Bible

Timestamps:

(00:00:00) Introduction

(00:04:10) “Xnl-Reveal”

(00:07:22) OAuth vulnerabilities

(00:13:17) Recap of controversy surrounding the handling of a vulnerability report on H1

(00:18:55) Hacker Success Manager Program

(00:22:30) Facebook login ATO

(00:27:45) When URL parsers disagree

(00:34:34) URL Structures

(01:02:22) Shared secrets across environments

(01:09:40) Social Media Logins

Episode 43: Caido - The Up-And-Coming HTTP Proxy02 Nov 202301:00:34

Episode 43: In this episode of Critical Thinking - Bug Bounty Podcast, we're joined by Emile from Caido, who shares his journey into the bug bounty and ethical hacking world. We kick off with a hilarious incident involving Joel, a child on an airplane, and an unfortunate cough. We then dive into the challenges of building an HTTP proxy tool, balancing basic features with nice-to-have features, and the importance of user feedback in shaping the development of Caido, a bug bounty tool.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount on the annual license.

Today’s Guest:

https://twitter.com/TheSytten

Caido

https://caido.io/

Caido’s Discord

https://discord.com/invite/KgGkkpKFaq

VS Code

https://code.visualstudio.com/

DNSChef

https://github.com/iphelix/dnschef

HackMD

https://hackmd.io/

Timestamps:

(00:00:00) Introduction

(00:01:34) Emile’s journey from general infrastructure development to co-founding Caido

(00:07:00) The rundown on Caido, a lightweight and flexible HTTP proxy tool

(00:11:00) Current and upcoming Caido Features

(00:17:00) Caido crew and division of duties

(00:19:40) Missing features and feature requests

(00:23:49) Decision to use Rust

(00:28:25) Workflows and walkthroughs

(00:36:27) Intercepts and the Roadmap

(00:41:15) Opinions on collaborator Functionality and HTTP Callback

(00:46:19) Reporting and Collaboration

Episode 42: Renniepak Interview & Intigriti LHE Recap26 Oct 202300:59:03

Episode 42: In this episode of Critical Thinking - Bug Bounty Podcast, we're live from a hacking event in Portugal, and joined by the extremely talented René de Sain! He helps us cover a host of topics like NFT, XSS, LHE, and tips for success. We also talk about the correlation between creativity and hacking, shared workspaces, and last but certainly not least, hacker tattoos.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Today’s Guest:

https://twitter.com/renniepak

https://www.linkedin.com/in/rene-de-sain/ https://app.intigriti.com/researcher/profile/renniepak

Hacker Hideout

https://hackerhideout.xyz

Timestamps:

(00:00:00) Introduction

(00:04:40) NFT Vulns and web3 hacking

(00:08:15) Hacker Tattoos

(00:12:30) Intigriti vs. other platforms, and LHE approaches.

(00:20:10) Loneliness, budgeting, and the pros and cons of full-time hunting

(00:28:36) Target approaches, XSS, and extension tools.

(00:37:40) Fostering hacker intuition and relationships

(00:47:15) Final thoughts on the Intigriti Event

Episode 41: Mini Masterclass: Attack Vector Ideation19 Oct 202300:17:09

Episode 41: In this episode of Critical Thinking - Bug Bounty Podcast, Justin takes a break from his busy travel schedule to walk us through a few of his Attack Vector formulation strategies. We’re keeping this one short and sweet, so it can be better used as a reference when looking for new vectors.

Follow us on twitter at: @ctbbpodcast

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

------ Links ------

Follow your hosts Rhynorater & Teknogeek on twitter:

https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

------ Ways to Support CTBBPodcast ------

Sign up for Caido using the referral code CTBBPODCAST for a 10% discount.

Nahamcon talk by Douglas Day

https://youtu.be/G1RHa7l1Ys4?t=295

Timestamps:

(00:00:00) Introduction

(00:02:53) Use the application like a human, not like a hacker

(00:05:02) Reading documentation looking for "Cannot" statements

(00:08:16) Look at the grayed out areas

(00:10:08) Look for information in the API response

(00:12:38) Differences in the UI between different accounts

(00:13:42) Pay the paywall.

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