SV-242451r961863: The Kubernetes component PKI must be owned by root. | Kubernetes STIG SCAP Benchmark

Loading benchmark…

Assessment Title

Rule Text

The Kubernetes component PKI must be owned by root.

Description

Discussion Text

The Kubernetes PKI directory contains all certificates (.crt files) supporting secure network communications in the Kubernetes Control Plane. If these files can be modified, data traversing within the architecture components would become unsecure and compromised. Many of the security settings within the document are implemented through this file.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000366

References

DPMS Target Kubernetes DISA DPMS Target Kubernetes 5376

Checks

DISA STIG (Manual Reference)

Review the PKI files in Kubernetes by using the command:

ls -laR /etc/kubernetes/pki/

If the command returns any non root:root file permissions, this is a finding.

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# oval:mil.disa.stig.kubernetes:def:242451

if [ ! -d "/etc/kubernetes/pki" ]; then echo "PASS"; exit 0; fi
if [ -d "/etc/kubernetes/pki" ]; then gid=$(stat -c "%g" "/etc/kubernetes/pki") && uid=$(stat -c "%u" "/etc/kubernetes/pki"); if [ "$gid" -eq "0" ] && [ "$uid" -eq "0" ]; then echo "PASS"; exit 0; else echo "FAIL"; exit 1; fi; fi

Remediation

Change the ownership of the PKI to root: root by executing the command:

chown -R root:root /etc/kubernetes/pki/