Understanding X-Request and X-Correlation IDs in Microservices

Episode 86: In this episode of Critical Thinking - Bug Bounty Podcast Frans blows Justin’s mind with a sneak peak of his new presentation. Note: This is a little different from our normal episode, and video is recommended. So head over to ctbb.show/yt if you feel like you’re missing something.

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Watch this Episode on Youtube - ctbb.show/yt

Today’s Guest: Frans Rosen - https://x.com/fransrosen

View the slides of this presentation at https://speakerdeck.com/fransrosen/x-correlation-injections-or-how-to-break-server-side-contexts

Timestamps

(00:00:00) Introduction

(00:04:09) x-correlation injection

(00:21:10) Server-side JSON-Injection

(00:32:10) Fuzz Blindly and Optimizing Blind RCE