Severity

High

Vendor

Cloud Foundry Foundation

Versions Affected

• Cloud Foundry release v242 and earlier versions
• UAA release v3.7.0 & earlier versions
• UAA bosh release (uaa-release) v16 & earlier versions

Description

A privilege escalation vulnerability has been identified with the /oauth/token endpoint in UAA allowing users to elevate the privileges in the token issued.

Mitigation

OSS users are strongly encouraged to follow one of the mitigations below:

• Upgrade to Cloud Foundry v243 [1] or later

For standalone UAA users:

• For users using UAA Version 3.0.0 – 3.7.0, please upgrade to UAA Release to v3.7.3[2], v3.4.5[3] or v3.3.0.6[4]
• For users using standalone UAA Version 2.X.X, please upgrade to UAA Release to v2.7.4.8 [5]
• For users using UAA bosh release, please upgrade to UAA-Release v17 [6] if upgrading to v3.7.3 [2] ,v12.6 [7] if upgrading to v3.4.5[3] or v11.7 [8] if upgrading to v3.3.0.6[4]

Credit

SAP HCP Security Team

References

• [1] https://github.com/cloudfoundry/cf-release/releases/tag/v243
• [2] https://github.com/cloudfoundry/uaa/releases/tag/3.7.3
• [3] https://github.com/cloudfoundry/uaa/releases/tag/3.4.5
• [4] https://github.com/cloudfoundry/uaa/releases/tag/3.3.0.6
• [5] https://github.com/cloudfoundry/uaa/releases/tag/2.7.4.8
• [6] https://github.com/cloudfoundry/uaa-release/releases/tag/v17
• [7] https://github.com/cloudfoundry/uaa-release/releases/tag/v12.6
• [8] https://github.com/cloudfoundry/uaa-release/releases/tag/v11.7

History

2016-09-26: Initial vulnerability report published