CVE-2019-11279: Privilege Escalation via Scope Manipulation in UAA | Cloud Foundry

Severity

High

Vendor

Cloud Foundry Foundation

Affected Cloud Foundry Products and Versions

• UAA Release
  • All versions prior to v74.1.0

Description

CF UAA versions prior to 74.1.0 can request scopes for a client that shouldn’t be allowed by submitting an array of requested scopes. A remote malicious user can escalate their own privileges to any scope, allowing them to take control of UAA and the resources it controls.

Mitigation

Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

• UAA Release
  • Upgrade All versions to v74.1.0 or greater

Credit

This issue was responsibly reported by Amit Laish – GE Digital Cyber Security Team.

History

2019-09-10: Initial vulnerability report published.