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.
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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
