mirror of
https://github.com/aquasecurity/kube-bench.git
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68 lines
4.2 KiB
YAML
68 lines
4.2 KiB
YAML
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---
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controls:
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version: "tkgi-1.2.53"
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id: 3
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text: "Control Plane Configuration"
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type: "controlplane"
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groups:
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- id: 3.1
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text: "Authentication and Authorization"
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checks:
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- id: 3.1.1
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text: "Client certificate authentication should not be used for users"
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audit: ps -ef | grep kube-apiserver | grep -- "--oidc-issuer-url="
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type: "manual"
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remediation: |
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Alternative mechanisms provided by Kubernetes such as the use of OIDC should be
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implemented in place of client certificates.
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Exception
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This setting is site-specific. It can be set in the "Configure created clusters to use UAA as the OIDC provider."
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section of the "UAA"
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scored: false
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- id: 3.2
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text: "Logging"
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checks:
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- id: 3.2.1
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text: "Ensure that a minimal audit policy is created"
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audit: ps -ef | grep kube-apiserver | grep -v tini | grep -- "--audit-policy-file="
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tests:
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test_items:
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- flag: "--audit-policy-file"
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remediation: |
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Create an audit policy file for your cluster.
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scored: true
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- id: 3.2.2
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text: "Ensure that the audit policy covers key security concerns"
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audit: |
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diff /var/vcap/jobs/kube-apiserver/config/audit_policy.yml \ <(echo "--- apiVersion: audit.k8s.io/v1beta1 kind:
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Policy rules: - level: None resources: - group: '' resources: - endpoints - services - services/status users: -
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system:kube-proxy verbs: - watch - level: None resources: - group: '' resources: - nodes - nodes/status users: -
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kubelet verbs: - get - level: None resources: - group: '' resources: - nodes - nodes/status userGroups: -
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system:nodes verbs: - get - level: None namespaces: - kube-system resources: - group: '' resources: -
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endpoints users: - system:kube-controller-manager - system:kube-scheduler - system:serviceaccount:kube-
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system:endpoint-controller verbs: - get - update - level: None resources: - group: '' resources: - namespaces -
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namespaces/status - namespaces/finalize users: - system:apiserver verbs: - get - level: None resources: -
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group: metrics.k8s.io users: - system:kube-controller-manager verbs: - get - list - level: None
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nonResourceURLs: - \"/healthz*\" - \"/version\" - \"/swagger*\" - level: None resources: - group: '' resources: -
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events - level: Request omitStages: - RequestReceived resources: - group: '' resources: - nodes/status -
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pods/status userGroups: - system:nodes verbs: - update - patch - level: Request omitStages: -
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RequestReceived users: - system:serviceaccount:kube-system:namespace-controller verbs: - deletecollection -
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level: Metadata omitStages: - RequestReceived resources: - group: '' resources: - secrets - configmaps - group:
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authentication.k8s.io resources: - tokenreviews - level: Request omitStages: - RequestReceived resources: -
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group: '' - group: admissionregistration.k8s.io - group: apiextensions.k8s.io - group: apiregistration.k8s.io -
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group: apps - group: authentication.k8s.io - group: authorization.k8s.io - group: autoscaling - group: batch -
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group: certificates.k8s.io - group: extensions - group: metrics.k8s.io - group: networking.k8s.io - group: policy -
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group: rbac.authorization.k8s.io - group: settings.k8s.io - group: storage.k8s.io verbs: - get - list - watch - level:
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RequestResponse omitStages: - RequestReceived resources: - group: '' - group: admissionregistration.k8s.io -
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group: apiextensions.k8s.io - group: apiregistration.k8s.io - group: apps - group: authentication.k8s.io - group:
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authorization.k8s.io - group: autoscaling - group: batch - group: certificates.k8s.io - group: extensions - group:
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metrics.k8s.io - group: networking.k8s.io - group: policy - group: rbac.authorization.k8s.io - group:
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settings.k8s.io - group: storage.k8s.io - level: Metadata omitStages: - RequestReceived ")
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type: "manual"
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remediation: |
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Consider modification of the audit policy in use on the cluster to include these items, at a
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minimum.
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scored: false
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