CVE-2018-1277: Garden does not correctly enforce Docker image disc quotas

Severity

High

Vendor

Cloud Foundry Foundation

Affected Cloud Foundry Products and Versions

• You are using garden-runc-release version prior to 1.13.0
• You are using cf-deployment version prior to 1.28.0

Description

Cloud Foundry Garden-runC, versions prior to 1.13.0, does not correctly enforce disc quotas for Docker image layers. A remote authenticated user may push an app with a malicious Docker image that will consume more space on a Diego cell than allocated in their quota, potentially causing a DoS against the cell.

Mitigation

Users of affected versions should apply the following mitigations or upgrades:

• Releases that have fixed this issue include:
  • garden-runc-release version 1.13.0
  • cf-deployment version 1.28.0

Credit

This issue was responsibly reported by the Garden team.

History

2018-04-30: Initial vulnerability report published.