Medium
Cloud Foundry Foundation
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 βjson-patchβ (e.g. kubectl patch βtype json
or βContent-Type: application/json-patch+jsonβ
) 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:
2019-04-01: Initial vulnerability report published.