CVE-2022-3162

Description

Users authorized to list or watch one type of namespaced custom resource cluster-wide can read custom resources of a different type in the same API group without authorization. Clusters are impacted by this vulnerability if all of the following are true: 1. There are 2+ CustomResourceDefinitions sharing the same API group 2. Users have cluster-wide list or watch authorization on one of those custom resources. 3. The same users are not authorized to read another custom resource in the same API group.

References

https://github.com/kubernetes/kubernetes/issues/113756

https://groups.google.com/g/kubernetes-security-announce/c/iUd550j7kjA

Details