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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| --- | ||
| ## Version-specific settings that override the values in cfg/config.yaml |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| --- | ||
| controls: | ||
| version: "cis-1.9" | ||
| id: 3 | ||
| text: "Control Plane Configuration" | ||
| type: "controlplane" | ||
| groups: | ||
| - id: 3.1 | ||
| text: "Authentication and Authorization" | ||
| checks: | ||
| - id: 3.1.1 | ||
| text: "Client certificate authentication should not be used for users (Manual)" | ||
| type: "manual" | ||
| remediation: | | ||
| Alternative mechanisms provided by Kubernetes such as the use of OIDC should be | ||
| implemented in place of client certificates. | ||
| scored: false | ||
| - id: 3.1.2 | ||
| text: "Service account token authentication should not be used for users (Manual)" | ||
| type: "manual" | ||
| remediation: | | ||
| Alternative mechanisms provided by Kubernetes such as the use of OIDC should be implemented | ||
| in place of service account tokens. | ||
| scored: false | ||
| - id: 3.1.3 | ||
| text: "Bootstrap token authentication should not be used for users (Manual)" | ||
| type: "manual" | ||
| remediation: | | ||
| Alternative mechanisms provided by Kubernetes such as the use of OIDC should be implemented | ||
| in place of bootstrap tokens. | ||
| scored: false | ||
|
|
||
| - id: 3.2 | ||
| text: "Logging" | ||
| checks: | ||
| - id: 3.2.1 | ||
| text: "Ensure that a minimal audit policy is created (Manual)" | ||
| audit: "/bin/ps -ef | grep $apiserverbin | grep -v grep" | ||
| tests: | ||
| test_items: | ||
| - flag: "--audit-policy-file" | ||
| set: true | ||
| remediation: | | ||
| Create an audit policy file for your cluster. | ||
| scored: false | ||
|
|
||
| - id: 3.2.2 | ||
| text: "Ensure that the audit policy covers key security concerns (Manual)" | ||
| type: "manual" | ||
| remediation: | | ||
| Review the audit policy provided for the cluster and ensure that it covers | ||
| at least the following areas, | ||
| - Access to Secrets managed by the cluster. Care should be taken to only | ||
| log Metadata for requests to Secrets, ConfigMaps, and TokenReviews, in | ||
| order to avoid risk of logging sensitive data. | ||
| - Modification of Pod and Deployment objects. | ||
| - Use of `pods/exec`, `pods/portforward`, `pods/proxy` and `services/proxy`. | ||
| For most requests, minimally logging at the Metadata level is recommended | ||
| (the most basic level of logging). | ||
| scored: false |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| --- | ||
| controls: | ||
| version: "cis-1.9" | ||
| id: 2 | ||
| text: "Etcd Node Configuration" | ||
| type: "etcd" | ||
| groups: | ||
| - id: 2 | ||
| text: "Etcd Node Configuration" | ||
| checks: | ||
| - id: 2.1 | ||
| text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Automated)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| bin_op: and | ||
| test_items: | ||
| - flag: "--cert-file" | ||
| env: "ETCD_CERT_FILE" | ||
| - flag: "--key-file" | ||
| env: "ETCD_KEY_FILE" | ||
| remediation: | | ||
| Follow the etcd service documentation and configure TLS encryption. | ||
| Then, edit the etcd pod specification file /etc/kubernetes/manifests/etcd.yaml | ||
| on the master node and set the below parameters. | ||
| --cert-file=</path/to/ca-file> | ||
| --key-file=</path/to/key-file> | ||
| scored: true | ||
|
|
||
| - id: 2.2 | ||
| text: "Ensure that the --client-cert-auth argument is set to true (Automated)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| test_items: | ||
| - flag: "--client-cert-auth" | ||
| env: "ETCD_CLIENT_CERT_AUTH" | ||
| compare: | ||
| op: eq | ||
| value: true | ||
| remediation: | | ||
| Edit the etcd pod specification file $etcdconf on the master | ||
| node and set the below parameter. | ||
| --client-cert-auth="true" | ||
| scored: true | ||
|
|
||
| - id: 2.3 | ||
| text: "Ensure that the --auto-tls argument is not set to true (Automated)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| bin_op: or | ||
| test_items: | ||
| - flag: "--auto-tls" | ||
| env: "ETCD_AUTO_TLS" | ||
| set: false | ||
| - flag: "--auto-tls" | ||
| env: "ETCD_AUTO_TLS" | ||
| compare: | ||
| op: eq | ||
| value: false | ||
| remediation: | | ||
| Edit the etcd pod specification file $etcdconf on the master | ||
| node and either remove the --auto-tls parameter or set it to false. | ||
| --auto-tls=false | ||
| scored: true | ||
|
|
||
| - id: 2.4 | ||
| text: "Ensure that the --peer-cert-file and --peer-key-file arguments are | ||
| set as appropriate (Automated)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| bin_op: and | ||
| test_items: | ||
| - flag: "--peer-cert-file" | ||
| env: "ETCD_PEER_CERT_FILE" | ||
| - flag: "--peer-key-file" | ||
| env: "ETCD_PEER_KEY_FILE" | ||
| remediation: | | ||
| Follow the etcd service documentation and configure peer TLS encryption as appropriate | ||
| for your etcd cluster. | ||
| Then, edit the etcd pod specification file $etcdconf on the | ||
| master node and set the below parameters. | ||
| --peer-client-file=</path/to/peer-cert-file> | ||
| --peer-key-file=</path/to/peer-key-file> | ||
| scored: true | ||
|
|
||
| - id: 2.5 | ||
| text: "Ensure that the --peer-client-cert-auth argument is set to true (Automated)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| test_items: | ||
| - flag: "--peer-client-cert-auth" | ||
| env: "ETCD_PEER_CLIENT_CERT_AUTH" | ||
| compare: | ||
| op: eq | ||
| value: true | ||
| remediation: | | ||
| Edit the etcd pod specification file $etcdconf on the master | ||
| node and set the below parameter. | ||
| --peer-client-cert-auth=true | ||
| scored: true | ||
|
|
||
| - id: 2.6 | ||
| text: "Ensure that the --peer-auto-tls argument is not set to true (Automated)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| bin_op: or | ||
| test_items: | ||
| - flag: "--peer-auto-tls" | ||
| env: "ETCD_PEER_AUTO_TLS" | ||
| set: false | ||
| - flag: "--peer-auto-tls" | ||
| env: "ETCD_PEER_AUTO_TLS" | ||
| compare: | ||
| op: eq | ||
| value: false | ||
| remediation: | | ||
| Edit the etcd pod specification file $etcdconf on the master | ||
| node and either remove the --peer-auto-tls parameter or set it to false. | ||
| --peer-auto-tls=false | ||
| scored: true | ||
|
|
||
| - id: 2.7 | ||
| text: "Ensure that a unique Certificate Authority is used for etcd (Manual)" | ||
| audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep" | ||
| tests: | ||
| test_items: | ||
| - flag: "--trusted-ca-file" | ||
| env: "ETCD_TRUSTED_CA_FILE" | ||
| remediation: | | ||
| [Manual test] | ||
| Follow the etcd documentation and create a dedicated certificate authority setup for the | ||
| etcd service. | ||
| Then, edit the etcd pod specification file $etcdconf on the | ||
| master node and set the below parameter. | ||
| --trusted-ca-file=</path/to/ca-file> | ||
| scored: false |
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