mirror of
https://github.com/aquasecurity/kube-bench.git
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887965d31f
* Add detected kubernetes version to controls * Refactore NewControls function Now new Control function is expecting detected version argument. * Refactore NewControls function Now new Control function is expecting detected version argument. * Refactore NewControls function New Control function is expecting detected version argument. * Add detected kube version * add detecetedKubeVersion * Add detecetedKubeVersion * Add detectedKubeVersion * Add detecetedKubeVersion * Fix missing version * Change version Change version from 3.10 to rh-0.7 * fix version: "cis-1.5" * fix version: "cis-1.5" * fix version: "cis-1.5" * Fix version: "cis-1.5" * Fix version: "cis-1.5" * Fix version: "cis-1.6" * Fix version: "cis-1.6" * Fix version: "cis-1.6" * Fix version: "cis-1.6" * Fix version: "cis-1.6"
310 lines
11 KiB
YAML
310 lines
11 KiB
YAML
---
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controls:
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version: "rh-0.7"
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id: 2
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text: "Worker Node Security Configuration"
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type: "node"
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groups:
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- id: 7
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text: "Kubelet"
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checks:
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- id: 7.1
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text: "Use Security Context Constraints to manage privileged containers as needed"
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type: "skip"
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scored: true
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- id: 7.2
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text: "Ensure anonymous-auth is not disabled"
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type: "skip"
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scored: true
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- id: 7.3
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text: "Verify that the --authorization-mode argument is set to WebHook"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.authorization-mode}"
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set: false
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- path: "{.kubeletArguments.authorization-mode}"
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compare:
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op: has
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value: "Webhook"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and remove authorization-mode under
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kubeletArguments in /etc/origin/node/node-config.yaml or set it to "Webhook".
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scored: true
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- id: 7.4
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text: "Verify the OpenShift default for the client-ca-file argument"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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test_items:
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- path: "{.PodManifestConfig.client-ca-file}"
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set: false
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and remove any configuration returned by the following:
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grep -A1 client-ca-file /etc/origin/node/node-config.yaml
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Reset to the OpenShift default.
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See https://github.com/openshift/openshift-ansible/blob/release-3.10/roles/openshift_node_group/templates/node-config.yaml.j2#L65
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The config file does not have this defined in kubeletArgument, but in PodManifestConfig.
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scored: true
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- id: 7.5
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text: "Verify the OpenShift default setting for the read-only-port argument"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.read-only-port}"
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set: false
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- path: "{.kubeletArguments.read-only-port}"
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compare:
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op: eq
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value: "0"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and removed so that the OpenShift default is applied.
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scored: true
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- id: 7.6
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text: "Adjust the streaming-connection-idle-timeout argument"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.streaming-connection-idle-timeout}"
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set: false
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- path: "{.kubeletArguments.streaming-connection-idle-timeout}"
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compare:
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op: eq
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value: "5m"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and set the streaming-connection-timeout
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value like the following in node-config.yaml.
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kubeletArguments:
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streaming-connection-idle-timeout:
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- "5m"
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scored: true
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- id: 7.7
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text: "Verify the OpenShift defaults for the protect-kernel-defaults argument"
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type: "skip"
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scored: true
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- id: 7.8
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text: "Verify the OpenShift default value of true for the make-iptables-util-chains argument"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.make-iptables-util-chains}"
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set: false
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- path: "{.kubeletArguments.make-iptables-util-chains}"
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compare:
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op: eq
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value: "true"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and reset make-iptables-util-chains to the OpenShift
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default value of true.
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scored: true
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- id: 7.9
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text: "Verify that the --keep-terminated-pod-volumes argument is set to false"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.keep-terminated-pod-volumes}"
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set: false
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- path: "{.kubeletArguments.keep-terminated-pod-volumes}"
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compare:
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op: eq
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value: "false"
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remediation: |
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Reset to the OpenShift defaults
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scored: true
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- id: 7.10
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text: "Verify the OpenShift defaults for the hostname-override argument"
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type: "skip"
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scored: true
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- id: 7.11
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text: "Set the --event-qps argument to 0"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.event-qps}"
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set: false
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- path: "{.kubeletArguments.event-qps}"
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compare:
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op: eq
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value: "0"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml set the event-qps argument to 0 in
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the kubeletArguments section of.
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scored: true
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- id: 7.12
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text: "Verify the OpenShift cert-dir flag for HTTPS traffic"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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test_items:
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- path: "{.kubeletArguments.cert-dir}"
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compare:
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op: has
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value: "/etc/origin/node/certificates"
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remediation: |
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Reset to the OpenShift default values.
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scored: true
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- id: 7.13
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text: "Verify the OpenShift default of 0 for the cadvisor-port argument"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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bin_op: or
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test_items:
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- path: "{.kubeletArguments.cadvisor-port}"
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set: false
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- path: "{.kubeletArguments.cadvisor-port}"
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compare:
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op: eq
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value: "0"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and remove the cadvisor-port flag
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if it is set in the kubeletArguments section.
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scored: true
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- id: 7.14
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text: "Verify that the RotateKubeletClientCertificate argument is set to true"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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test_items:
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- path: "{.kubeletArguments.feature-gates}"
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compare:
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op: has
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value: "RotateKubeletClientCertificate=true"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and set RotateKubeletClientCertificate to true.
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scored: true
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- id: 7.15
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text: "Verify that the RotateKubeletServerCertificate argument is set to true"
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audit_config: "cat /etc/origin/node/node-config.yaml"
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tests:
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test_items:
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- path: "{.kubeletArguments.feature-gates}"
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compare:
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op: has
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value: "RotateKubeletServerCertificate=true"
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remediation: |
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Edit the Openshift node config file /etc/origin/node/node-config.yaml and set RotateKubeletServerCertificate to true.
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scored: true
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- id: 8
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text: "Configuration Files"
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checks:
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- id: 8.1
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text: "Verify the OpenShift default permissions for the kubelet.conf file"
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audit: "stat -c permissions=%a /etc/origin/node/node.kubeconfig"
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tests:
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test_items:
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- flag: "permissions"
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compare:
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op: bitmask
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value: "644"
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remediation: |
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Run the below command on each worker node.
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chmod 644 /etc/origin/node/node.kubeconfig
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scored: true
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- id: 8.2
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text: "Verify the kubeconfig file ownership of root:root"
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audit: "stat -c %U:%G /etc/origin/node/node.kubeconfig"
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tests:
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test_items:
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- flag: "root:root"
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remediation: |
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Run the below command on each worker node.
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chown root:root /etc/origin/node/node.kubeconfig
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scored: true
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- id: 8.3
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text: "Verify the kubelet service file permissions of 644"
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audit: "stat -c permissions=%a $kubeletsvc"
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tests:
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test_items:
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- flag: "permissions"
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compare:
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op: bitmask
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value: "644"
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remediation: |
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Run the below command on each worker node.
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chmod 644 $kubeletsvc
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scored: true
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- id: 8.4
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text: "Verify the kubelet service file ownership of root:root"
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audit: "stat -c %U:%G $kubeletsvc"
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tests:
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test_items:
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- flag: "root:root"
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remediation: |
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Run the below command on each worker node.
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chown root:root $kubeletsvc
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scored: true
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- id: 8.5
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text: "Verify the OpenShift default permissions for the proxy kubeconfig file"
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audit: "stat -c permissions=%a /etc/origin/node/node.kubeconfig"
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tests:
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test_items:
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- flag: "permissions"
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compare:
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op: bitmask
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value: "644"
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remediation: |
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Run the below command on each worker node.
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chmod 644 /etc/origin/node/node.kubeconfig
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scored: true
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- id: 8.6
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text: "Verify the proxy kubeconfig file ownership of root:root"
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audit: "stat -c %U:%G /etc/origin/node/node.kubeconfig"
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tests:
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test_items:
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- flag: "root:root"
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remediation: |
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Run the below command on each worker node.
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chown root:root /etc/origin/node/node.kubeconfig
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scored: true
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- id: 8.7
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text: "Verify the OpenShift default permissions for the certificate authorities file."
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audit: "stat -c permissions=%a /etc/origin/node/client-ca.crt"
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tests:
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test_items:
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- flag: "permissions"
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compare:
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op: bitmask
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value: "644"
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remediation: |
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Run the below command on each worker node.
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chmod 644 /etc/origin/node/client-ca.crt
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scored: true
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- id: 8.8
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text: "Verify the client certificate authorities file ownership of root:root"
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audit: "stat -c %U:%G /etc/origin/node/client-ca.crt"
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tests:
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test_items:
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- flag: "root:root"
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remediation: |
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Run the below command on each worker node.
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chown root:root /etc/origin/node/client-ca.crt
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scored: true
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