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 38: Mobile Hacking Maestro: Sergey Toshin

Episode 38: Mobile Hacking Maestro: Sergey Toshin

Episode 38: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome mobile hacking maestro Sergey Toshin (aka @bagipro). We kick off with Sergey sharing his unexpected jou...

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Episode 37: Tokyo Hacking & Interview with 0xLupin

Episode 37: Tokyo Hacking & Interview with 0xLupin

Episode 37: In this episode of Critical Thinking - Bug Bounty Podcast we're joined by none other than Lupin himself! We recap the Tokyo LHE and the lessons we learned from it before diving into his le...

21 Sep 20231h 15min

Episode 36: Bug Bounty Ethics & CT Exclusive Bug Reports

Episode 36: Bug Bounty Ethics & CT Exclusive Bug Reports

Episode 36: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel take a break from LHE prep to answer questions about the ethics of bug bounty and share their recent bug finds. W...

14 Sep 20231h 3min

Episode 35: King of Collaboration: Douglas Day

Episode 35: King of Collaboration: Douglas Day

Episode 35: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to welcome Douglas Day, a bug bounty hunter known for his unique methodologies and collaborative spirit. We talk a...

7 Sep 20231h 25min

Episode 34: Program vs Hacker Debate

Episode 34: Program vs Hacker Debate

Episode 34: In this episode of Critical Thinking - Bug Bounty Podcast, Justin and Joel have both beaten COVID and now square off against each other in a mega-debate representing hackers and program ma...

31 Aug 20232h 10min

Episode 33: The Master of Hacker Show&Tell: Inti De Ceukelaire

Episode 33: The Master of Hacker Show&Tell: Inti De Ceukelaire

Episode 33: In this episode of Critical Thinking - Bug Bounty Podcast, we welcome Inti De Ceukelaire, a seasoned bug hunter known for his creative storytelling and impactful show-and-tell bugs…and let...

24 Aug 20231h 22min

Episode 32: The Great Write-up Low-down

Episode 32: The Great Write-up Low-down

Episode 32: In this episode of Critical Thinking - Bug Bounty Podcast, Joel caught a nasty bug (no, not that kind) so Justin is flying solo, and catches us up to speed on what's been happening in hack...

17 Aug 20231h 1min

Episode 31: Alex Chapman - The Man of Many Crits

Episode 31: Alex Chapman - The Man of Many Crits

Episode 31: In this episode of Critical Thinking - Bug Bounty Podcast, we're thrilled to be joined by Alex Chapman, a seasoned InfoSec hacker and bug bounty hunter. We kick off with Alex sharing his h...

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