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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Shoutout to YTCracker for the awesome intro music!

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

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====== 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

Episoder(161)

Episode 137: How We Do AI-Assisted Whitebox Review, New CSPT Gadgets, and Tools from SLCyber

Episode 137: How We Do AI-Assisted Whitebox Review, New CSPT Gadgets, and Tools from SLCyber

Episode 137: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner and Joseph Thacker reunite to talk about AI Hacking Assistants, CSPT and cache deception, and a bunch of tools lik...

28 Aug 202549min

Episode 136: Hacking Cluely, AI Prod Sec, and How To Not Get Sued with Jack Cable

Episode 136: Hacking Cluely, AI Prod Sec, and How To Not Get Sued with Jack Cable

Episode 136: In this episode of Critical Thinking - Bug Bounty Podcast, Joseph Thacker sits down with Jack Cable to get the scoop on a significant bug in Cluely’s desktop application, as well as the r...

21 Aug 202550min

Episode 135: Akamai's Ryan Barnett on WAFs, Unicode Confusables, and Triage Stories

Episode 135: Akamai's Ryan Barnett on WAFs, Unicode Confusables, and Triage Stories

Episode 135: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Ryan Barnett for a deep dive on WAFs. We also recap his Exploiting Unicode Normalization talk from DEFCON, ...

14 Aug 20251h 26min

Episode 134: XBOW - AI Hacking Agent and Human in the Loop with Diego Djurado

Episode 134: XBOW - AI Hacking Agent and Human in the Loop with Diego Djurado

Episode 134: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Diego Djurado to give us the scoop on XBOW. We cover a little about its architecture and approach to hunting, the...

4 Aug 20251h 53min

Episode 133: Building Hacker Communities - Bug Bounty Village, getDisclosed, and the LHE Squad

Episode 133: Building Hacker Communities - Bug Bounty Village, getDisclosed, and the LHE Squad

Episode 133: In this episode of Critical Thinking - Bug Bounty Podcast we’re joined by Harley and Ari from H1 to talk some about community management roles within Bug Bounty, as well as discuss the ev...

31 Jul 20251h 16min

Episode 131: SL Cyber Writeups, Bug Bounty Metastrategy, and Orphaned Github Commits

Episode 131: SL Cyber Writeups, Bug Bounty Metastrategy, and Orphaned Github Commits

Episode 131: In this episode of Critical Thinking - Bug Bounty Podcast we're covering Christmas in July with several banger articles from Searchlight Cyber, as well as covering things like Raycast for...

17 Jul 202550min

Episode 130: Minecraft Hacks to Google Hacking Star - Valentino

Episode 130: Minecraft Hacks to Google Hacking Star - Valentino

Episode 130: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Valentino, who shares his journey from hacking Minecraft to becoming a Google hunter. He talks us through sev...

10 Jul 20251h 8min

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