CVE-2017-4973: Privilege Escalation in UAA

Severity

High

Vendor

Cloud Foundry Foundation

Versions Affected

• cf-release versions prior to v257
• UAA release:
  • 2.x versions prior to v2.7.4.14
  • 3.6.x versions prior to v3.6.8
  • 3.9.x versions prior to v3.9.10
  • Other versions prior to v3.15.0
• UAA bosh release (uaa-release):
  • 13.x versions prior to v13.12
  • 24.x versions prior to v24.7
  • Other versions prior to v30

Description

A vulnerability has been identified with the groups endpoint in UAA allowing users to elevate their privileges.

Mitigation

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

• Upgrade to Cloud Foundry v257 [1] or later
• For standalone UAA users:
  • For users using UAA Version 3.0.0 – 3.14.0, please upgrade to UAA Release to v3.15.0 [2] or v3.9.10 [3] or v3.6.8 [4]
  • For users using standalone UAA Version 2.X.X, please upgrade to UAA Release to v2.7.4.14 [5]
  • For users using UAA-Release (UAA bosh release), please upgrade to UAA-Release v30 [6] if upgrading to v3.15.0 [2] or v24.7 [7] if upgrading to v3.9.10 [3] and v13.12 [8] if upgrading to v3.6.8 [4]

References

• [1] https://github.com/cloudfoundry/cf-release/releases
• [2] https://github.com/cloudfoundry/uaa/releases/tag/3.15.0
• [3] https://github.com/cloudfoundry/uaa/releases/tag/3.9.10
• [4] https://github.com/cloudfoundry/uaa/releases/tag/3.6.8
• [5] https://github.com/cloudfoundry/uaa/releases/tag/2.7.4.14
• [6] http://bosh.io/releases/github.com/cloudfoundry/uaa-release?version=30
• [7] http://bosh.io/releases/github.com/cloudfoundry/uaa-release?version=24.7
• [8] http://bosh.io/releases/github.com/cloudfoundry/uaa-release?version=13.12

Credit

This issue was responsibly reported by the GE Digital Security Team.

History

2017-04-19: Initial vulnerability report published