V-242461—Kubernetes API Server audit logs must be enabled.

CAT II - Medium

CNTR-K8-003280

>Control Description

Kubernetes API Server validates and configures pods and services for the API object. The REST operation provides frontend functionality to the cluster share state. Enabling audit logs provides a way to monitor and identify security risk events or misuse of information. Audit logs are necessary to provide evidence in the case the Kubernetes API Server is compromised requiring a Cyber Security Investigation.

>Check Content

Change to the /etc/kubernetes/manifests directory on the Kubernetes Control Plane.

$grep -i audit-policy-file *

If the setting "audit-policy-file" is not set or is found in the Kubernetes API manifest file without valid content, this is a finding.

>Remediation

Edit the Kubernetes API Server manifest file in the /etc/kubernetes/manifests directory on the Kubernetes Control Plane. Set the argument "--audit-policy-file" to "log file directory".

>CCI References

CCI-000366

Control Correlation Identifiers (CCIs) map STIG findings to NIST 800-53 controls.

>Cross-Framework Mappings

NIST SP 800-53 r5

via DISA CCI List

CM-6

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