Episode 116: Auth Bypasses and Google VRP Writeups

Episode 116: Auth Bypasses and Google VRP Writeups

Episode 116: In this episode of Critical Thinking - Bug Bounty Podcast Justin gives a quick rundown of Portswigger’s SAML Roulette writeup, as well as some Google VRP reports, and a Next.js middleware exploit.

Follow us on twitter at: https://x.com/ctbbpodcast

Got any ideas and suggestions? Feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

====== Links ======

Follow your hosts Rhynorater and Rez0 on Twitter:

https://x.com/Rhynorater

https://x.com/rez0__

====== 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.

You can also find some hacker swag at https://ctbb.show/merch!

Today’s Sponsor: ThreatLocker Cloud Control - https://www.threatlocker.com/platform/cloud-control

====== Resources ======

SAML roulette: the hacker always wins

https://portswigger.net/research/saml-roulette-the-hacker-always-wins

Loophole of getting Google Form associated with Google Spreadsheet with no editor/owner access

https://bughunters.google.com/reports/vrp/yBeFmSrJi

Loophole to see the editors of a Google Document with no granted access(owner/editor) with just the fileid (can be obtained from publicly shared links with 0 access)

https://bughunters.google.com/reports/vrp/7EhAw2hur

Cloud Tools for Eclipse - Chaining misconfigured OAuth callback redirection with open redirect vulnerability to leak Google OAuth Tokens with full GCP Permissions

https://bughunters.google.com/reports/vrp/F8GFYGv4g

Next.js, cache, and chains: the stale elixir

https://zhero-web-sec.github.io/research-and-things/nextjs-cache-and-chains-the-stale-elixir

Next.js and the corrupt middleware: the authorizing artifact

https://zhero-web-sec.github.io/research-and-things/nextjs-and-the-corrupt-middleware

====== Timestamps ======

(00:00:00) Introduction

(00:02:59) SAML roulette

(00:13:08) Google bugs

(00:20:16) Next.js and the corrupt middleware

Jaksot(142)

Episode 102: Building Web Hacking Micro Agents with Jason Haddix

Episode 102: Building Web Hacking Micro Agents with Jason Haddix

Episode 102: In this episode of Critical Thinking - Bug Bounty Podcast Justin grabs Jason Haddix to help brainstorm the concept of AI micro-agents in hacking, particularly in terms of web fuzzing, WAF bypasses, report writing, and more.They discuss the importance of contextual knowledge, the cost implications, and the strengths of different LLM Models.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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 our new SWAG store at https://ctbb.show/swag!Today’s Guest - https://x.com/JhaddixResourcesKeynote: Red, Blue, and Purple AI - Jason Haddixhttps://www.youtube.com/watch?v=XHeTn7uWVQMAttention in transformers,https://www.youtube.com/watch?v=eMlx5fFNoYcShifthttps://shiftwaitlist.com/The Darkest Side of Bug Bountyhttps://www.youtube.com/watch?v=6SNy0u6pYOcTimestamps(00:00:00) Introduction(00:01:25) Micro-agents and Weird Machine Tricks(00:11:05) Web fuzzing with AI(00:18:15) Brainstorming Shift and micro-agents(00:34:40) Strengths of different AI Models, and using AI to write reports(00:54:21) The Darkest Side of Bug Bounty

19 Joulu 20241h 2min

Episode 101: CTBB Hijacked: Rez0__ on AI Attack Vectors with Johann Rehberger

Episode 101: CTBB Hijacked: Rez0__ on AI Attack Vectors with Johann Rehberger

Episode 101: In this episode of Critical Thinking - Bug Bounty Podcast we’ve been hijacked! Rez0 takes control of this episode, and sits down with Johann Rehberger to discuss the intricacies of AI application vulnerabilities. They talk through the importance of understanding system prompts, and various obfuscation techniques used to bypass security measures, the best AI platforms, and the evolving landscape of AI security.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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. Check out their Elevation Control! https://www.criticalthinkingpodcast.io/tl-ecToday’s Guest: https://x.com/wunderwuzzi23ResourcesJohann's bloghttps://embracethered.com/blog/zombaishttps://embracethered.com/blog/posts/2024/claude-computer-use-c2-the-zombais-are-coming/Copiratehttps://embracethered.com/blog/posts/2024/m365-copilot-prompt-injection-tool-invocation-and-data-exfil-using-ascii-smuggling/Timestamps(00:00:00) Introduction(00:01:59) Biggest things to look for in AI hacking(00:11:58) Best AI companies to hack on(00:15:59) URL Redirects and Obfuscation Techniques(00:24:05) Copirate(00:35:50) prompt injection guardrails and threats

12 Joulu 202451min

Ep 100 - 8 Fav Bugs of 2024, Farewell Joel, Hello Shift - Cursor of Hacking

Ep 100 - 8 Fav Bugs of 2024, Farewell Joel, Hello Shift - Cursor of Hacking

Episode 100: In this episode of Critical Thinking - Bug Bounty Podcast we have a mixed bag. We celebrate 100 episodes of Critical Thinking, but also bid farewell to Joel, who will be leaving the show as a co-host, but returning as guest. Then we hear from a bunch of friends about their 'best bug of the year', before capping the episode with the announcement of a new AI tool we've been working on!Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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.ResourcesDeloreanhttps://github.com/jselvi/DeloreanShiftshiftwaitlist.comTimestamps(00:00:00) Introduction(00:07:32) Nagli(00:19:09) Shubs(00:35:00) Matt Brown(00:39:42) Matanber(00:57:52) Douglas Day(01:05:18) Alex Chapman(01:15:02) Nahamsec(01:25:45) Rez0(01:28:20) Shift Announcement

5 Joulu 20241h 41min

Episode 99: Back to the Basics - Web Fundamental to 100k a Year in Bug Bounty

Episode 99: Back to the Basics - Web Fundamental to 100k a Year in Bug Bounty

Episode 99: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Roni dissect an old thread of Justin's talking about how best to start bug bounty with the goal of making $100k in the first year.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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: Check out their ASMR board (no not that kind!)https://assetnote.io/asmrToday’s Guest - https://x.com/0xLupinResourcesJustin's Twitter Threadhttps://x.com/Rhynorater/status/1699395452481769867Timestamps(00:00:00) Introduction(00:03:00) Web Fundamentals Education(00:46:01) Threat Modeling and Hacking Goals(01:18:58) Vuln Types and finding Specialization

28 Marras 20241h 42min

Episode 98: Team 82 Sharon Brizinov - The Live Hacking Polymath

Episode 98: Team 82 Sharon Brizinov - The Live Hacking Polymath

Episode 98: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner sits down with Sharon,to discuss his journey from early iOS development to leading a research team at Claroty. They address the differences between HackerOne and Pwn2Own, and talk through some intricacies of IoT security, and some less common IoT attack surfaces.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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: Check out Network Control!https://www.criticalthinkingpodcast.io/tl-ncAnd AssetNote: Check out their ASMR board (no not that kind!)https://assetnote.io/asmrToday’s Guest: https://sharonbrizinov.com/ResourcesThe Claroty Research Teamhttps://claroty.com/team82Pwntoolshttps://github.com/Gallopsled/pwntoolsScan My SMShttp://scanmysms.comGotta Catch 'Em All: Phishing, Smishing, and the birth of ScanMySMShttps://www.youtube.com/watch?v=EhNsXXbDp3UTimestamps(00:00:00) Introduction(00:03:31) Sharon's Origin Story(00:21:58) Transition to Bug Bounty and Pwn2Own vs HackerOne(00:47:05) IoT/ICS Hacking Methodology(01:10:13) Cloud to Device Communication(01:18:15) Bug replication and uncommon attack surfaces(01:30:58) Documentation tracker, reCaptcha bypass, and ScanMySMS

21 Marras 20241h 43min

Episode 97: Bcrypt Hash Input Truncation & Mobile Device Threat Modeling

Episode 97: Bcrypt Hash Input Truncation & Mobile Device Threat Modeling

Episode 97: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel jump into some cool news items, including a recent Okta Bcrypt vulnerability, insights into crypto bugs, and some intricacies of Android and Chrome security. They also explore the latest research from Portswigger on payload concealment techniques, and the introduction of the Lightyear tool for PHP exploits.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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: Check out Network Control!https://www.criticalthinkingpodcast.io/tl-ncAnd AssetNote: Check out their ASMR board (no not that kind!)https://assetnote.io/asmrResourcesOkta bcryptAndroid Web Attack Surface WriteupsConcealing payloads in URL credentialsDumping PHP files with LightyearLimit maximum number of filter chainsDom-Explorer tool launchedMultiHTMLParseJSON CrackCaido/Burp notes pluginTimestamps(00:00:00) Introduction(00:02:43) Okta Release and bcrypt(00:10:26) Android Web Attack Surface Writeups(00:20:21) More Portswigger Research(00:28:29) Lightyear and PHP filter chains(00:35:09) Dom-Explorer(00:45:24) The JSON Debate(00:49:59) Notes plugin for Burp and Caido

14 Marras 202453min

Episode 96: Cookies & Caching with MatanBer

Episode 96: Cookies & Caching with MatanBer

Episode 96: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with Matanber to hit some stuff we ran out of time on last episode. We talk about advanced cookie parsing techniques and exploitation methods, Safari's unique behaviors regarding cookie handling and debugging methods, and some of the writeups from the HeroCTF v6.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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: https://x.com/MtnBerResources:Cookie Bugs - Smuggling & Injectionhttps://blog.ankursundara.com/cookie-bugs/#:~:text=Cookie%20SmugglingiOS Webkit Debug Proxyhttps://github.com/google/ios-webkit-debug-proxyHeroCTF v6 Writeupshttps://mizu.re/post/heroctf-v6-writeupsTimestamps(00:00:00) Introduction(00:01:29) Cookie exploits(00:21:32) Matan's Safari Adventure(00:29:49) HeroCTF 6 writeups

7 Marras 202449min

Episode 95: Attacking Chrome Extensions with MatanBer - Big Impact on the Client-Side

Episode 95: Attacking Chrome Extensions with MatanBer - Big Impact on the Client-Side

Episode 95: In this episode of Critical Thinking - Bug Bounty Podcast In this episode, Justin is joined by MatanBer to delve into the intricacies of browser extensions. We talk about the structure and threat models, and cover things like service workers, extension pages, and isolated worlds.Follow us on twitter at: @ctbbpodcastWe're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.ioShoutout to YTCracker for the awesome intro music!------ Links ------Follow your hosts Rhynorater & Teknogeek on twitter:https://twitter.com/0xteknogeekhttps://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/sspodToday’s Guest: https://x.com/MtnBerResourcesUniversal Code Execution by Chaining Messages in Browser Extensionshttps://spaceraccoon.dev/universal-code-execution-browser-extensions/DOMLogger++https://github.com/kevin-mizu/domloggerppBBRE Metamask bughttps://youtu.be/HnI0w156rtw?si=QixP8SX6JuRFz6PABench Press: Leaking Text Nodes with CSShttps://blog.pspaul.de/posts/bench-press-leaking-text-nodes-with-css/Timestamps:(00:00:00) Introduction(00:03:08) Structure & Threat Model for Browser Extension(00:28:28) Extension Attack scenarios(01:01:26) Attacking Extension Pages(01:26:35) Attacking Service Workers(01:46:23) Getting source code and dynamic debugging

31 Loka 20241h 56min