The Kubernetes KubeletConfiguration files must have file permissions set to 644 or more restrictive.
An XCCDF Rule
Description
<VulnDiscussion>The kubelet configuration file contains the runtime configuration of the kubelet service. If an attacker can gain access to this file, changes can be made to open vulnerabilities and bypass user authorizations inherit within Kubernetes with RBAC implemented.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-242407r918171_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
On the Kubernetes Control Plane and Worker nodes, run the command:
ps -ef | grep kubelet
Check the config file (path identified by: --config):
Change to the directory identified by --config (example /etc/sysconfig/) and run the command: