Guides

Profiling (metric) is protected by RBAC (RBAC) (Openshift)

Ensure that the cluster-debugger cluster role includes the /metrics resource URL. This demonstrates that profiling is protected by RBAC, with a specific cluster role to allow access.

Suggest Edits

Risk Level: High
Cloud Entity: Kubernetes Role
CloudGuard Rule ID: D9.K8S.CRY.17
Covered by Spectral: No
Category: Security, Identity, & Compliance

GSL LOGIC

KubernetesRole where name='cluster-debugger' and namespace='*' should have rules contain-any [nonResourceURLs contain-any ['/metrics']]

REMEDIATION

None required as profiling data is protected by RBAC.

References

  1. https://github.com/openshift/kubernetes-kubelet/blob/master/config/v1beta1/types.go#L259-L277
  2. https://github.com/openshift/cluster-kube-apiserver-operator/blob/release-4.5/bindata/v4.1.0/kube-apiserver/pod.yaml#L71-L84
  3. https://docs.openshift.com/container-platform/4.5/operators/operator-reference.html#kube-apiserver-operator_red-hat-operators
  4. https://docs.openshift.com/container-platform/4.5/operators/operator-reference.html#openshift-apiserver-operator_red-hat-operators
  5. https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/
  6. https://github.com/kubernetes/community/blob/master/contributors/devel/profiling.md

Kubernetes Role

An RBAC Role or ClusterRole contains rules that represent a set of permissions. Permissions are purely additive (there are no "deny" rules).

Compliance Frameworks

  • CIS OpenShift Container Platform v4 Benchmark v1.1.0
  • OpenShift Container Platform v3

Updated about 1 year ago