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The Kubernetes Kube Proxy must be owned by root.


Finding ID Version Rule ID IA Controls Severity
V-242448 CNTR-K8-003150 SV-242448r864020_rule Medium
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.
Kubernetes Security Technical Implementation Guide 2022-12-02


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 .