CVE-2019-3788: UAA redirect-uri allows wildcard in the subdomain

Severity

High

Vendor

Cloud Foundry Foundation

Affected Cloud Foundry Products and Versions

• UAA Release (OSS)
  • All versions prior to v71.0

Description

Cloud Foundry UAA Release, versions prior to 71.0, allows clients to be configured with an insecure redirect uri. Given a UAA client was configured with a wildcard in the redirect uri’s subdomain, a remote malicious unauthenticated user can craft a phishing link to get a UAA access code from the victim.

Mitigation

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

• UAA Release (OSS)
  • Upgrade All versions to v71.0 or greater

History

2019-04-15: Initial vulnerability report published.