Critical Thinking - Bug Bounty Podcast7 Mar 2024

Episode 61: A Hacker on Wall Street - JR0ch17

Episode 61: In this episode of Critical Thinking - Bug Bounty Podcast Justin is joined by Jasmin Landry to share some stories about startup security, bug bounty, and the challenges of balancing both. He also shares his methodology for discovering OAuth-related bugs, highlights some differences between structured learning and self-teaching, and then walks us through a couple arbitrary ATO’s and SSTI to RCE bugs he’s found lately.

We're new to this podcasting thing, so feel free to send us any feedback here: info@criticalthinkingpodcast.io

Shoutout to YTCracker for the awesome intro music!

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https://twitter.com/0xteknogeek

https://twitter.com/rhynorater

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Today’s Guest: Jasmin Landry

https://twitter.com/JR0ch17

Resources:

Dirty Dancing blog post

https://labs.detectify.com/writeups/account-hijacking-using-dirty-dancing-in-sign-in-oauth-flows/

OAuth 2.0 Threat Model and Security Considerations

https://datatracker.ietf.org/doc/html/rfc6819

OAuth 2.0 Security Best Current Practice

https://datatracker.ietf.org/doc/html/draft-ietf-oauth-security-topics

Timestamps:

(00:00:00) Introduction

(00:02:20) Meta Tag + DomPurify Bug

(00:09:36) Jasmin's Origin story

(00:28:23) Full time Bug bounty challenges

(00:36:57) Career jumps in Security and current Role

(00:47:32) OAuth Bug methodology and cool bug stories

(01:02:35) Social Engineering and Bug Bounty

(01:13:41) Arbitrary ATO bug

(01:19:41) SSTI to RCE bug

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