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..

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:

====== 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(165)

Episode 125: How to Win Live Hacking Events

Episode 125: How to Win Live Hacking Events

Episode 125: In this episode of Critical Thinking - Bug Bounty Podcast Justin shares insights on how to succeed at live hacking events. We cover pre-event preparations, challenges of collaboration, on...

5 Juni 202547min

Episode 124: Bug Bounty Lifestyle = Less Hacking Time?

Episode 124: Bug Bounty Lifestyle = Less Hacking Time?

Episode 124: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joseph cover some news from around the community, hitting on Joseph’s Anthropic safety testing, Justin’s guest appeara...

29 Maj 202545min

Episode 123: Hacking AI Series: Vulnus ex Machina - Part 2

Episode 123: Hacking AI Series: Vulnus ex Machina - Part 2

Episode 123: In this episode of Critical Thinking - Bug Bounty Podcast we’re back with part 2 of Rez0’s miniseries. Today we talk about mastering Prompt Injection, taxonomy of impact, and both trigger...

22 Maj 202544min

Episode 122: We Won Google's AI Hacking Event in Tokyo - Main Takeaways

Episode 122: We Won Google's AI Hacking Event in Tokyo - Main Takeaways

Episode 122: In this episode of Critical Thinking - Bug Bounty Podcast your boys are MVH winners! First we’re joined by Zak, to discuss the Google LHE as well as surprising us with a bug of his own! T...

15 Maj 20251h 45min

Episode 121: Slonser’s Image Injection 0-day -> ATO & New Caido Collab Plugin

Episode 121: Slonser’s Image Injection 0-day -> ATO & New Caido Collab Plugin

Episode 121: In this episode of Critical Thinking - Bug Bounty Podcast we cover so much news and research that we ran out of room in the description...Follow us on XShoutout to YTCracker for the aweso...

8 Maj 202557min

Episode 120: SpaceRaccoon - From Day Zero to Zero Day

Episode 120: SpaceRaccoon - From Day Zero to Zero Day

Episode 120: In this episode of Critical Thinking - Bug Bounty Podcast Justin Gardner welcomes Eugene to talk (aka fanboy) about his new book, 'From Day Zero to Zero Day.' We walk through what to expe...

1 Maj 20251h 36min

Episode 119: Abusing Iframes from a client-side hacker

Episode 119: Abusing Iframes from a client-side hacker

Episode 119: In this episode of Critical Thinking - Bug Bounty Podcast Justin does a mini deep dive into the world of iframes, starting with why they’re significant, their attributes, and how to attac...

17 Apr 202533min

Episode 118:  Hacking Happy Hour: 0days on Tap and SQLi Shots

Episode 118: Hacking Happy Hour: 0days on Tap and SQLi Shots

Episode 118: In this episode of Critical Thinking - Bug Bounty Podcast we cover a host of news, including clientside tidbits, “Credentialless” iframes, prototype pollution, and what constitutes a poly...

10 Apr 202558min

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