If proxy kube proxy configuration file exists ensure permissions are set to 644 or more restrictive

MediumLevel 1Manual reviewopenshift

Description

If kube-proxy is running, and if it is using a file-based configuration file, ensure that the file has 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.

In OpenShift 4, the kube-proxy runs within the sdn pods, which copies the kubeconfig from a configmap to the container at /config/kube-proxy-config.yaml, with 644 permissions. Run the following command: for i in $(oc get pods -n openshift-sdn -l app=sdn -oname) do oc exec -n openshift-sdn $i -- \ stat -Lc %a /config/kube-proxy-config.yaml done Verify that the kube-proxy-config.yaml file has permissions of 644.

How it is fixed

Fix method: Guidance or infrastructure patch

Use chmod on kube-proxy config file and set permissions to 644

Properties

Operating systems: Any
Tags: openshiftworker-nodefile-permissions
Reference: CIS Red Hat OpenShift Container Platform Benchmark v2.0.0 - 4.1.3 If proxy kube proxy configuration file exists ensure permissions are set to 644 or more restrictive