Escalation of Privileges in Cloud Controller

Vulnerability Description

Cloud Foundry Cloud Controller API Release, versions prior to 1.79.0, contains improper authentication when validating user permissions. A remote authenticated malicious user with the ability to create UAA clients and knowledge of the email of a victim in the foundation may escalate their privileges to that of the victim by creating a client with a name equal to the guid of their victim.

References

• https://www.cloudfoundry.org/blog/cve-2019-3798
• http://www.securityfocus.com/bid/108095