CVE-2019-1002100: Kubernetes API Server Patch Request Consumes Excess Resource Cause Denial of Service
Cloud Foundry Foundation
Affected Cloud Foundry Products and Versions
- Cloud Foundry Container Runtime (CFCR)
- All versions prior to 0.31.0
In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type “json-patch” (e.g. `kubectl patch –type json` or `”Content-Type: application/json-patch+json”`) that consumes excessive resources while processing, causing a Denial of Service on the API Server.
Users of affected versions should apply the following mitigations or upgrades:
- Releases that have fixed this issue include:
- CFCR version 0.31.0
2019-04-01: Initial vulnerability report published.