Episode 132: Archive Testing Methodology with Mathias Karlsson

Episode 132: Archive Testing Methodology with Mathias Karlsson

Episode 132: In this episode of Critical Thinking - Bug Bounty Podcast, Justin Gardner is joined by Mathias Karlsson to discuss vulnerabilities associated with archives. They talk about his new tool, Archive Alchemist, and explore topics like the significance of Unicode paths, symlinks, and TAR before they end up talking about Charsets again..

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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:

====== Ways to Support CTBBPodcast ======

Hop on the CTBB Discord!

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

Today's Sponsor: ThreatLocker - Patch Management

Today’s Guest: Mathias Karlsson

====== This Week in Bug Bounty ======

Swiss Post's 2025 Public Intrusion Test starts on July 28

Intigriti teams with NVIDIA

Bugcrowd Ingenuity Awards

Hack the Hacker Series - AI Vulnerabilities and Bug Bounties

A Novel Technique for SQL Injection in PDO’s Prepared Statements

How We Accidentally Discovered a Remote Code Execution Vulnerability in ETQ Reliance

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

Archive Alchemist

Hacking Livestream #53: The ZIP file format

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

(00:00:00) Introduction

(00:10:04) Archive Alchemist

(00:36:05) Unicode Extensions, normalization, and confusion attacks on Zip parsers

(00:48:44) Character Sets

(01:01:49) 7zip & File Names

(01:06:44) Path Traversal, Symlinks & Identifying Techniques

(01:36:05) Hardlinks and TAR

Avsnitt(166)

Episode 70: NahamCon and CSP Bypasses Everywhere

Episode 70: NahamCon and CSP Bypasses Everywhere

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....

9 Maj 202443min

Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.

Episode 69: Johan Carlsson - 3 Month Check-in on Full-time Bug Bounty.

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...

2 Maj 20241h 49min

Episode 68: 0-days & HTMX-SS with Mathias

Episode 68: 0-days & HTMX-SS with Mathias

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 in...

25 Apr 20241h 3min

Episode 67: VDPs & Accidental Program VS Hacker Debate Part 2

Episode 67: VDPs & Accidental Program VS Hacker Debate Part 2

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 ...

18 Apr 20241h 19min

Episode 66: CDN-CGI Research, Intent To Ship, and Louis Vuitton

Episode 66: CDN-CGI Research, Intent To Ship, and Louis Vuitton

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 shar...

11 Apr 202458min

Episode 65: Motivation and Methodology with Sam Curry (Zlz)

Episode 65: Motivation and Methodology with Sam Curry (Zlz)

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 ...

4 Apr 20242h 29min

Episode 64: .NET Remoting, CDN Attack Surface, and Recon vs Main App

Episode 64: .NET Remoting, CDN Attack Surface, and Recon vs Main App

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 ...

28 Mars 20241h 8min

Episode 63: JHaddix Returns

Episode 63: JHaddix Returns

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 ...

21 Mars 20241h 21min

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