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GHSA-cgcv-5272-97pr

Kubernetes mountable secrets policy bypass

Source: GitHub Advisory Database (reviewed) Moderate CVE-2023-2728

Packages

EcosystemPackageAffectedFixed in
Go k8s.io/kubernetes >= 1.27.0, < 1.27.3 1.27.3
Go k8s.io/kubernetes >= 1.26.0, < 1.26.6 1.26.6
Go k8s.io/kubernetes >= 1.25.0, < 1.25.11 1.25.11
Go k8s.io/kubernetes < 1.24.15 1.24.15

Details

As written in the advisory (Markdown source, shown as plain text).

Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.

References

External links from the advisory. They lead to third-party sites.