STIGQter: STIG Summary: Kubernetes Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 13 Apr 2021:

Kubernetes Kubelet must have the SSL Certificate Authority set.

DISA Rule

SV-242420r712616_rule

Vulnerability Number

V-242420

Group Title

SRG-APP-000219-CTR-000550

Rule Version

CNTR-K8-001420

Severity

CAT II

CCI(s)

• CCI-001184 - The information system protects the authenticity of communications sessions.

Weight

10

Fix Recommendation

Edit the Kubernetes Kubelet file in the /etc/sysconfig/ directory on the Kubernetes Master Node. Set the value of client-ca-file to path containing Approved Organizational Certificate.

Reset Kubelet service using the following command:
service kubelet restart

Check Contents

Change to the /etc/sysconfig/ directory on the Kubernetes Master Node. Run the command:

grep -i client-ca-file kubelet

If the setting client-ca-file is not set in the Kubernetes API server manifest file or contains no value, this is a finding.

Vulnerability Number

V-242420

Documentable

False

Rule Version

CNTR-K8-001420

Severity Override Guidance

Change to the /etc/sysconfig/ directory on the Kubernetes Master Node. Run the command:

grep -i client-ca-file kubelet

If the setting client-ca-file is not set in the Kubernetes API server manifest file or contains no value, this is a finding.

Check Content Reference

M

Target Key

5376

Comments