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!

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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

Jaksot(162)

Episode 74: Supply Chain Attack Primer - Popping RCE Without an HTTP Request (feat 0xLupin)

Episode 74: Supply Chain Attack Primer - Popping RCE Without an HTTP Request (feat 0xLupin)

Episode 74: In this episode of Critical Thinking - Bug Bounty Podcast Justin sits down with Roni "Lupin" Carta for a deep dive into supply chain attacks and dependency confusion. We explore the supply...

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Episode 73: Sandboxed IFrames and WAF Bypasses

Episode 73: Sandboxed IFrames and WAF Bypasses

Episode 73: In this episode of Critical Thinking - Bug Bounty Podcast we give a brief recap of Nahamcon and then touch on some topics like WAF bypass tools, sandboxed iframes, and programs redacting y...

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Episode 72: Research TLDRs & Smuggling Payloads in Well Known Data Types

Episode 72: Research TLDRs & Smuggling Payloads in Well Known Data Types

Episode 72: In this episode of Critical Thinking - Bug Bounty Podcast Justin and Joel discuss some hot research from the past couple months. This includes ways to smuggle payloads in phone numbers and...

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Episode 71: More VDP Chats & AI Bias Bounty Strats with Keith Hoodlet

Episode 71: More VDP Chats & AI Bias Bounty Strats with Keith Hoodlet

Episode 71: In this episode of Critical Thinking - Bug Bounty Podcast Keith Hoodlet joins us to weigh in on the VDP Debate. He shares some of his insights on when VDPs are appropriate in a company's s...

16 Touko 20241h 45min

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 Touko 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...

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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 Huhti 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 ...

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