Oct 2024
1h 56m
Episode 95: In this episode of Critical Thinking - Bug Bounty Podcast In this episode, Justin is joined by MatanBer to delve into the intricacies of browser extensions. We talk about the structure and threat models, and cover things like service workers, extension pages, and isolated worlds.
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Shoutout to YTCracker for the awesome intro music!
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Today’s Guest: https://x.com/MtnBer
Resources
Universal Code Execution by Chaining Messages in Browser Extensions
https://spaceraccoon.dev/universal-code-execution-browser-extensions/
DOMLogger++
https://github.com/kevin-mizu/domloggerpp
BBRE Metamask bug
https://youtu.be/HnI0w156rtw?si=QixP8SX6JuRFz6PA
Bench Press: Leaking Text Nodes with CSS
https://blog.pspaul.de/posts/bench-press-leaking-text-nodes-with-css/
Timestamps:
(00:00:00) Introduction
(00:03:08) Structure & Threat Model for Browser Extension
(00:28:28) Extension Attack scenarios
(01:01:26) Attacking Extension Pages
(01:26:35) Attacking Service Workers
(01:46:23) Getting source code and dynamic debugging