About

Imported from CyberStrikeus/CyberStrike (.cyberstrike/skill/CIS_benchmarks/Server_Software/Kubernetes/CIS_Kubernetes_Benchmark_v1.12.0/cis-k8s-v1120-1.2.27/SKILL.md). Install upstream with npx skills add CyberStrikeus/CyberStrike --skill cis-k8s-v1120-1.2.27. Copyright stays with the author.

1.2.27 Ensure that the --encryption-provider-config argument is set as appropriate (Manual)

Name: cis-k8s-v1120-1.2.27
Author: CyberStrikeus

Profile Applicability

Level 1 - Master Node

Description

Encrypt etcd key-value store.

Rationale

etcd is a highly available key-value store used by Kubernetes deployments for persistent storage of all of its REST API objects. These objects are sensitive in nature and should be encrypted at rest to avoid any disclosures.

Impact

None

Audit

Run the following command on the Control Plane node:

ps -ef | grep kube-apiserver

Verify that the --encryption-provider-config argument is set to a EncryptionConfig file. Additionally, ensure that the EncryptionConfig file has all the desired resources covered especially any secrets.

Remediation

Follow the Kubernetes documentation and configure a EncryptionConfig file. Then, edit the API server pod specification file /etc/kubernetes/manifests/kube-apiserver.yaml on the master node and set the --encryption-provider-config parameter to the path of that file:

--encryption-provider-config=</path/to/EncryptionConfig/File>

Default Value

By default, --encryption-provider-config is not set.

References

CIS Controls

Controls Version	Control	IG 1	IG 2	IG 3
v8	3.11 Encrypt Sensitive Data at Rest		*	*
v7	14.8 Encrypt Sensitive Information at Rest			*

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/cyberstrikeus-cyberstrike-cis-k8s-v1120-1-2-27/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

cyberstrikeus-cyberstrike-cis-k8s-v1120-1-2-27.ocm.jsonjson

{
  "ocm": "1",
  "id": "cyberstrikeus-cyberstrike-cis-k8s-v1120-1-2-27",
  "kind": "skill",
  "name": "cis-k8s-v1120-1.2.27",
  "description": "Ensure that the --encryption-provider-config argument is set as appropriate (Manual)",
  "publisher": "CyberStrikeus",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "cis",
      "kubernetes",
      "control-plane",
      "api-server",
      "encryption",
      "etcd",
      "secrets",
      "github"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Ensure that the --encryption-provider-config argument is set as appropriate (Manual)"
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "github",
      "repository": "https://github.com/CyberStrikeus/CyberStrike",
      "path": ".cyberstrike/skill/CIS_benchmarks/Server_Software/Kubernetes/CIS_Kubernetes_Benchmark_v1.12.0/cis-k8s-v1120-1.2.27/SKILL.md",
      "ref": "df28ccd3dc6d6c02391169121ee2dcdf4a6a132b",
      "url": "https://github.com/CyberStrikeus/CyberStrike/blob/df28ccd3dc6d6c02391169121ee2dcdf4a6a132b/.cyberstrike/skill/CIS_benchmarks/Server_Software/Kubernetes/CIS_Kubernetes_Benchmark_v1.12.0/cis-k8s-v1120-1.2.27/SKILL.md",
      "key": "CyberStrikeus/CyberStrike/.cyberstrike/skill/CIS_benchmarks/Server_Software/Kubernetes/CIS_Kubernetes_Benchmark_v1.12.0/cis-k8s-v1120-1.2.27/SKILL.md"
    }
  },
  "instructions": "# 1.2.27 Ensure that the --encryption-provider-config argument is set as appropriate (Manual)\n\n## Profile Applicability\n\n- Level 1 - Master Node\n\n## Description\n\nEncrypt etcd key-value store.\n\n## Rationale\n\netcd is a highly available key-value store used by Kubernetes deployments for persistent storage of all of its REST API objects. These objects are sensitive in nature and should be encrypted at rest to avoid any disclosures.\n\n## Impact\n\nNone\n\n## Audit\n\nRun the following command on the Control Plane node:\n\n```bash\nps -ef | grep kube-apiserver\n```\n\nVerify that the `--encryption-provider-confi",
  "cost": {
    "context_tokens": 522
  }
}

Fetch it by URL: GET /api/v1/registry/cyberstrikeus-cyberstrike-cis-k8s-v1120-1-2-27/manifest?version=1.0.0

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