The Kubernetes Kube Proxy kubeconfig must be owned by root.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-242448	CNTR-K8-003150	SV-242448r927261_rule		Medium

Description
The Kubernetes Kube Proxy kubeconfig contain the argument and setting for the Control Planes. These settings contain network rules for restricting network communication between pods, clusters, and networks. If these files can be changed, data traversing between the Kubernetes Control Panel components would be compromised. Many of the security settings within the document are implemented through this file.

Description

The Kubernetes Kube Proxy kubeconfig contain the argument and setting for the Control Planes. These settings contain network rules for restricting network communication between pods, clusters, and networks. If these files can be changed, data traversing between the Kubernetes Control Panel components would be compromised. Many of the security settings within the document are implemented through this file.

STIG	Date
Kubernetes Security Technical Implementation Guide	2023-08-29

Details

Check Text ( C-45723r712698_chk )
Check if Kube-Proxy is running use the following command: ps -ef \| grep kube-proxy If Kube-Proxy exists: Review the permissions of the Kubernetes Kube Proxy by using the command: stat -c %U:%G \| grep -v root:root If the command returns any non root:root file permissions, this is a finding.

Fix Text (F-45681r712699_fix)
Change the ownership of the Kube Proxy to root:root by executing the command: chown root:root .