Overview
Dive into a detailed exploration of ChaosDB, a critical cross-tenant vulnerability discovered in Azure Cosmos DB. Learn how the Wiz Research Team uncovered this unprecedented cloud vulnerability that allowed any Azure user to gain full admin access to thousands of customers' databases without authorization. Understand the technical aspects of the exploit, including Jupyter Notebook LPE, unrestricted network access, and the intricacies of WireServer. Follow the step-by-step process of the full exploit, from initial reconnaissance to account service takeover. Gain insights into the disclosure timeline and the far-reaching implications of this security breach for organizations using Azure's flagship managed database solution.
Syllabus
Intro
Wiz Research Team
Motivation
Research Mindset
Bug #1 - Jupyter Notebook LPE
Bug #2 - Unrestricted Network Access
Network Recon - IMDS
Network Recon - WireServer
WireServer 101 - Goal State
WireServer 101 - Extension Configuration
WireServer 101 - Certificate Endpoint
Decoding CertificatesBondPackage
Recon - Cluster Endpoint - Manifest
Listing Running Applications in Cluster
Recap - The Full Exploit
Disclosure Timeline
Account Service Takeover
Taught by
Black Hat