Ensure that the OpenShift PKI key file permissions are set to 600

MediumLevel 1Manual reviewopenshift

Description

Ensure that the OpenShift PKI key files have permissions of 600. The benchmark marks this recommendation Manual.

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

Keys for control plane components like kube-apiserver, kube-controller-manager, ube-scheduler and etcd are stored with their respective static pod configurations in the directory /etc/kubernetes/static-pod-certs/secrets. Key files all have permissions 600. Run the following command. for i in $(oc -n openshift-kube-apiserver get pod -l app=openshift-kube-apiserver -o jsonpath='{.items[*].metadata.name}') do echo $i static-pod-certs oc exec -n openshift-kube-apiserver $i -c kube-apiserver -- \ find /etc/kubernetes/static-pod-certs -type f -wholename '*/secrets/*.key' -exec stat -c %a ...

How it is fixed

Fix method: Guidance or infrastructure patch

No remediation required; file permissions are managed by the operator.

Properties

Operating systems: Any
Tags: openshiftcontrol-planefile-permissions
Reference: CIS Red Hat OpenShift Container Platform Benchmark v2.0.0 - 1.1.21 Ensure that the OpenShift PKI key file permissions are set to 600