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The Kubernetes kubeadm must be owned by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-242454 | CNTR-K8-003210 | SV-242454r712718_rule | Medium |
| Description |
|---|
| The Kubernetes kubeeadm.conf contains sensitive information regarding the cluster nodes configuration. If this file can be modified, the Kubernetes Platform Plane would be degraded or compromised for malicious intent. Many of the security settings within the document are implemented through this file. |
| STIG | Date |
|---|---|
| Kubernetes Security Technical Implementation Guide | 2021-04-14 |
Details
| Check Text ( C-45729r712716_chk ) |
|---|
| Review the Kubernetes kubeadm by using the command: stat -c %U:%G /usr/bin/kubeadm| grep -v root:root If the command returns any non root:root file permissions, this is a finding. |
| Fix Text (F-45687r712717_fix) |
|---|
| Change the ownership of the kubeadm to root: root by executing the command: chown root:root /user/bin/kubeadm |