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XCCDF
Guide to the Secure Configuration of Red Hat OpenShift Container Platform 4
Kubernetes Settings
Role-based Access Control
Minimize Wildcard Usage in Cluster and Local Roles
Minimize Wildcard Usage in Cluster and Local Roles
An XCCDF Rule
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Minimize Wildcard Usage in Cluster and Local Roles
Medium Severity
Kubernetes Cluster and Local Roles provide access to resources based on sets of objects and actions that can be taken on those objects. It is possible to set either of these using a wildcard
*
which matches all items. This violates the principle of least privilege and leaves a cluster in a more vulnerable state to privilege abuse.