The Kubernetes conf files must be owned by root.
An XCCDF Rule
Description
<VulnDiscussion>The Kubernetes conf files contain the arguments and settings for the Control Plane services. These services are controller and scheduler. If these files can be changed, the scheduler will be implementing the changes immediately. Many of the security settings within the document are implemented through this file.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-242446r879887_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Change the ownership of the conf files to root: root by executing the command:
chown root:root /etc/kubernetes/admin.conf
chown root:root /etc/kubernetes/scheduler.conf
chown root:root /etc/kubernetes/controller-manager.conf