Ensure that the OpenShift PKI certificate file permissions are set to 600 or more restrictive

HighLevel 1Manual reviewopenshift

Description

Ensure that OpenShift PKI certificate files have permissions of 644 or more restrictive. 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.

Certificates for control plane components like kube-apiserver, kube-controller-manager, and kube-scheduler are stored in the directory /etc/kubernetes/static-pod-certs/secrets. Certificate files all have permissions 600. Run the following command. # Should 600 or more restrictive 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/*.crt' -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 - 1.1.20 Ensure that the OpenShift PKI certificate file permissions are set to 600 or more restrictive