github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/kubernetes/policies/pss/baseline/1_host_ipc.rego (about)

     1  # METADATA
     2  # title: Access to host IPC namespace
     3  # description: Sharing the host’s IPC namespace allows container processes to communicate with processes on the host.
     4  # scope: package
     5  # related_resources:
     6  # - https://kubernetes.io/docs/concepts/security/pod-security-standards/#baseline
     7  # schemas:
     8  # - input: schema["kubernetes"]
     9  # custom:
    10  #   id: KSV008
    11  #   avd_id: AVD-KSV-0008
    12  #   severity: HIGH
    13  #   short_code: no-shared-ipc-namespace
    14  #   recommended_action: Do not set 'spec.template.spec.hostIPC' to true.
    15  #   input:
    16  #     selector:
    17  #     - type: kubernetes
    18  package builtin.kubernetes.KSV008
    19  
    20  import data.lib.kubernetes
    21  
    22  default failHostIPC = false
    23  
    24  # failHostIPC is true if spec.hostIPC is set to true (on all resources)
    25  failHostIPC {
    26  	kubernetes.host_ipcs[_] == true
    27  }
    28  
    29  deny[res] {
    30  	failHostIPC
    31  	msg := kubernetes.format(sprintf("%s '%s' should not set 'spec.template.spec.hostIPC' to true", [kubernetes.kind, kubernetes.name]))
    32  	res := result.new(msg, input.spec)
    33  }