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TMA-OPENSHIFT-5.1.1

Ensure that the cluster-admin role is only used where required

심각레벨 1수동 검토openshift

설명

The RBAC role cluster-admin provides wide-ranging powers over the environment and should be used only where and when needed. The benchmark marks this recommendation Manual.

점검 방법

감사 방식: 수동 검토

이 권장 사항은 자동으로 점검할 수 없습니다. --include-manual 옵션을 전달하면 스캔 결과에 이 지침과 함께 표시됩니다.

OpenShift provides a set of default cluster roles that you can bind to users and groups cluster-wide or locally (per project namespace). Be mindful of the difference between local and cluster bindings. For example, if you bind the cluster-admin role to a user by using a local role binding, it might appear that this user has the privileges of a cluster administrator. This is not the case. Binding the cluster-admin to a user in a project grants super administrator privileges for only that project to the user.

조치 방법

조치 방식: 가이드 또는 인프라 패치

Identify all clusterrolebindings to the cluster-admin role. Check if they are used and if they need this role or if they could use a role with fewer privileges. Where possible, first bind users to a lower privileged role and then remove the clusterrolebinding to the cluster-admin role : oc delete clusterrolebinding [name]

속성

운영 체제
모두
태그
openshiftpoliciesrbac
참고 자료
CIS Red Hat OpenShift Container Platform Benchmark v2.0.0 - 5.1.1 Ensure that the cluster-admin role is only used where required