Critical Thinking - Bug Bounty Podcast

Latest Episodes:

Episode 95: Attacking Chrome Extensions with MatanBer - Big Impact on the Client-Side Oct 31, 2024

Show notes

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.

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

Today’s Guest: https://x.com/MtnBer

Resources

Universal Code Execution by Chaining Messages in Browser Extensions

https://spaceraccoon.dev/universal-code-execution-browser-extensions/

DOMLogger++

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

BBRE Metamask bug

https://youtu.be/HnI0w156rtw?si=QixP8SX6JuRFz6PA

Bench Press: Leaking Text Nodes with CSS

https://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

Episode 94: Zendesk Fiasco & the CTBB Naughty List Oct 24, 2024

Show notes

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

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 Doctor Oct 17, 2024

Show notes

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.

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 92 - SAML XPath Confusion, Chinese DNS Poisoning, and AI Powered 403 Bypasser Oct 10, 2024

Show notes

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

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 91: Zero to LHE in 9 Months (feat gr3pme) Oct 03, 2024

Show notes

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.

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 90: 5k Clickjacking, Encryption Oracles, and Cursor for PoCs Sep 26, 2024

Show notes

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.

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 89: The Untapped Bug Bounty Landscape of IoT w/ Matt Brown Sep 19, 2024

Show notes

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.

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 88: News, Tools, and Writeups Sep 12, 2024

Show notes

Episode 88: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel tackle a whole slate of new research including a new cheat sheet for URL validation bypass from Portswigger, the introduction of Sanic DNS as a high-speed DNS resolver, xsstools, and the Dockerization of Orange Confusion Attacks.

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

Resources

URL Validation Bypass cheat sheet

SanicDNS

Orange Confusion Attacks

WordPress GiveWP POP to RCE

Xsstools

Bypassing browser tracking protection

Advanced iframe Magic

DOM Clobbering

https://www.ruhrsec.de/downloads/slides/Everything-You-Wanted-to-Know-About-DOM-Clobbering-But-Were-Afraid-to-Ask-Soheil-Khodayari-RuhrSec.pdf

And

https://domclob.xyz/domc_payload_generator/

Timestamps:

(00:00:00) Introduction

(00:02:00) URL validation bypass

(00:07:41) SanicDNS and Orange confusion attacks

(00:20:06) WordPress GiveWP POP to RCE

(00:31:29) Xsstools

(00:43:56) Bypassing browser tracking protection

(00:52:06) DOM Clobbering and mixing up your approach

Episode 87: 'Hacker Wife' Mariah Gardner on Bug Bounty mentality and relationships Sep 05, 2024

Show notes

Episode 87: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with none other than his wife Mariah to talk about Bug Bounty from the perspective of a Significant Other. They share how they’ve traversed travel and Live Hacking Events, household chores, hobbies, goals, rewards, as well as how best to encourage and support the hacker/non-hacker in your life.

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 Guest: https://x.com/MariahG017

Resources:

Ruby Nealon's song

https://x.com/_ruby/status/835306502546149376

Don't Force Yourself to Become a Bug Bounty Hunter

https://samcurry.net/dont-force-yourself-to-become-a-bug-bounty-hunter

Timestamps

(00:00:00) Introduction

(00:03:12) Technical Questions for a Bug Bounty Wife

(00:16:11) Mariah's First LHE experience

(00:31:12) LHEs as a Couple

(00:41:57) Encouragement and Risk

(00:55:55) Hacker Family Dynamics, goals, and keeping promises

(01:17:35) How to care for your Hacker/Hacker Wife

Episode 86: The X-Correlation between Frans & RCE - Research Drop Aug 29, 2024

Show notes

Episode 86: In this episode of Critical Thinking - Bug Bounty Podcast Frans blows Justin’s mind with a sneak peak of his new presentation. Note: This is a little different from our normal episode, and video is recommended. So head over to ctbb.show/yt if you feel like you’re missing something.

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

Watch this Episode on Youtube - ctbb.show/yt

Today’s Guest: Frans Rosen - https://x.com/fransrosen

View the slides of this presentation at https://speakerdeck.com/fransrosen/x-correlation-injections-or-how-to-break-server-side-contexts

Timestamps

(00:00:00) Introduction

(00:04:09) x-correlation injection

(00:21:10) Server-side JSON-Injection

(00:32:10) Fuzz Blindly and Optimizing Blind RCE