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Ensure that the --root-ca-file argument is set as appropriate (Automated)
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macOS post-exploitation for credential harvesting, DTrace monitoring, TCC bypass, and stealth operations via native tools
Windows userland post-exploitation for credential harvesting, monitoring, AMSI/ETW bypass, and stealth operations
Kubernetes post-exploitation for container escape, secret extraction, RBAC abuse, and cluster persistence
Based on SOC occupation classification
Showing SKILL.md
| name | cis-k8s-v200-1.3.5 |
| description | Ensure that the --root-ca-file argument is set as appropriate (Automated) |
| category | cis-k8s |
| version | 2.0.0 |
| author | cyberstrike-official |
| tags | ["cis","kubernetes","control-plane","controller-manager"] |
| cis_id | 1.3.5 |
| cis_benchmark | CIS Kubernetes Benchmark v2.0.0 |
| tech_stack | ["kubernetes"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
Allow pods to verify the API server's serving certificate before establishing connections.
Processes running within pods that need to contact the API server must verify the API server's serving certificate. Failing to do so could be a subject to man-in-the-middle attacks.
Providing the root certificate for the API server's serving certificate to the controller manager with the --root-ca-file argument allows the controller manager to inject the trusted bundle into pods so that they can verify TLS connections to the API server.
You need to setup and maintain root certificate authority file.
Run the following command on the Control Plane node:
ps -ef | grep kube-controller-manager
Verify that the --root-ca-file argument exists and is set to a certificate bundle file containing the root certificate for the API server's serving certificate.
Edit the Controller Manager pod specification file /etc/kubernetes/manifests/kube-controller-manager.yaml on the Control Plane node and set the --root-ca-file parameter to the certificate bundle file.
--root-ca-file=<path/to/file>
By default, --root-ca-file is not set.
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 3.10 Encrypt Sensitive Data in Transit Encrypt sensitive data in transit. Example implementations can include: Transport Layer Security (TLS) and Open Secure Shell (OpenSSH). | ● | ● | |
| v7 | 14.4 Encrypt All Sensitive Information in Transit Encrypt all sensitive information in transit. | ● | ● |
Level 1 - Master Node (Automated)