github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/kubernetes/policies/cisbenchmarks/apiserver/kubernetes_pki_key_permission.rego (about)

     1  # METADATA
     2  # title: "Ensure that the Kubernetes PKI key file permission is set to 600"
     3  # description: "Ensure that the Kubernetes PKI key file permission is set to 600."
     4  # scope: package
     5  # schemas:
     6  # - input: schema["kubernetes"]
     7  # related_resources:
     8  # - https://www.cisecurity.org/benchmark/kubernetes
     9  # custom:
    10  #   id: KCV0067
    11  #   avd_id: AVD-KCV-0067
    12  #   severity: CRITICAL
    13  #   short_code: ensure-kubernetes-pki-key-file-permission-set-600.
    14  #   recommended_action: "Change the Kubernetes PKI key file /etc/kubernetes/pki/*.key permission to 600"
    15  #   input:
    16  #     selector:
    17  #     - type: kubernetes
    18  package builtin.kubernetes.KCV0067
    19  
    20  import data.lib.kubernetes
    21  
    22  validate_pki_key_permission(sp) := {"kubePKIKeyFilePermissions": violation} {
    23  	sp.kind == "NodeInfo"
    24  	sp.type == "master"
    25  	violation := {permission | permission = sp.info.kubePKIKeyFilePermissions.values[_]; permission > 600}
    26  	count(violation) > 0
    27  }
    28  
    29  deny[res] {
    30  	output := validate_pki_key_permission(input)
    31  	msg := "Ensure that the Kubernetes PKI key file permission is set to 600"
    32  	res := result.new(msg, output)
    33  }