cis-ocp-v160-1.1.16

DevOps & Security

Ensure that the Scheduler kubeconfig file ownership is set to root:root (Manual)

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CIS Red Hat OpenShift Container Platform Benchmark v1.6.0 - Control 1.1.16

Profile Applicability

Level: 1

Description

Ensure that the kubeconfig file ownership is set to root:root.

Rationale

You should set the kubeconfig file ownership to maintain the integrity of the file. The file should be owned by root:root.

Impact

None.

Audit Procedure

The kubeconfig file for kube-scheduler is stored in the ConfigMap scheduler-kubeconfig in the namespace openshift-kube-scheduler. The file kubeconfig is referenced in the pod via hostpath and is stored in /etc/kubernetes/static-pod-resources/configmaps/scheduler-kubeconfig/kubeconfig with ownership root:root. Run the following command.

for i in $(oc get pods -n openshift-kube-scheduler -l app=openshift-kube-scheduler -o name)
 do
  oc exec -n openshift-kube-scheduler $i -- \
  stat -c %U:%G /etc/kubernetes/static-pod-resources/configmaps/scheduler-kubeconfig/kubeconfig
 done

Verify that the ownership is set to root:root.

Remediation

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

Default Value

By default, scheduler-kubeconfig/kubeconfig file ownership is set to root:root.

References

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	5.4 Restrict Administrator Privileges to Dedicated Administrator Accounts	*	*	*
v7	4.3 Ensure the Use of Dedicated Administrative Accounts	*	*	*

MITRE ATT&CK Mappings

Techniques / Sub-techniques	Tactics	Mitigations
T1083, T1222	TA0005, TA0007	M1026

Profile

Level 1 (Manual)