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MEDIUM6.5

GHSA-cgcv-5272-97pr

Kubernetes mountable secrets policy bypass

Quick fix

GHSA-cgcv-5272-97pr — k8s.io/kubernetes: upgrade to the fixed version with the command below.

go get k8s.io/kubernetes@v1.27.3

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/k8s.io/kubernetes
Introduced in: 1.27.0Fixed in: 1.27.3
Fixgo get k8s.io/kubernetes@v1.27.3
Go/k8s.io/kubernetes
Introduced in: 1.26.0Fixed in: 1.26.6
Fixgo get k8s.io/kubernetes@v1.26.6
Go/k8s.io/kubernetes
Introduced in: 1.25.0Fixed in: 1.25.11
Fixgo get k8s.io/kubernetes@v1.25.11
Go/k8s.io/kubernetes
Introduced in: 0Fixed in: 1.24.15
Fixgo get k8s.io/kubernetes@v1.24.15

References