NIST 800-53 Moderate-Impact Baseline for Red Hat OpenShift - Platform level
Rules and Groups employed by this XCCDF Profile
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Kubernetes Settings
Each section of this configuration guide includes information about the configuration of a Kubernetes cluster and a set of recommendations for hard...Group -
System and Software Integrity
System and software integrity can be gained by installing antivirus, increasing system encryption strength with FIPS, verifying installed software,...Group -
Ensure that Cluster Version Operator is deployed
Integrity of the OpenShift platform is handled to start by the cluster version operator. Cluster Version Operator will by default GPG verify the in...Rule Medium Severity -
Ensure that Cluster Version Operator verifies integrity
Integrity of the OpenShift platform is handled to start by the cluster version operator. Cluster Version Operator will by default GPG verify the in...Rule Medium Severity -
Ensure that File Integrity Operator is scanning the cluster
<a href="https://docs.openshift.com/container-platform/4.7/security/file_integrity_operator/file-integrity-operator-understanding.html">The File In...Rule Medium Severity -
System Cryptographic Policies
OpenShift has the capability to centrally configure cryptographic polices.Group -
Ensure that FIPS mode is enabled on all cluster nodes
OpenShift has an installation-time flag that can enable FIPS mode for the cluster. The flag <pre>fips: true</pre> must be enabled at install time i...Rule High Severity -
Kubernetes - Account and Access Control
In traditional Unix security, if an attacker gains shell access to a certain login account, they can perform any action or access any file to which...Group -
Restrict Automounting of Service Account Tokens
Service accounts tokens should not be mounted in pods except where the workload running in the pod explicitly needs to communicate with the API ser...Rule Medium Severity -
Ensure Usage of Unique Service Accounts
Using the <code>default</code> service account prevents accurate application rights review and audit tracing. Instead of <code>default</code>, crea...Rule Medium Severity -
OpenShift Kube API Server
This section contains recommendations for kube-apiserver configuration.Group -
Disable the AlwaysAdmit Admission Control Plugin
To ensure OpenShift only responses to requests explicitly allowed by the admission control plugin. Check that the <code>config</code> ConfigMap obj...Rule Medium Severity -
Ensure that the Admission Control Plugin AlwaysPullImages is not set
The <code>AlwaysPullImages</code> admission control plugin should be disabled, since it can introduce new failure modes for control plane component...Rule High Severity -
Enable the NamespaceLifecycle Admission Control Plugin
OpenShift enables theNamespaceLifecycleplugin by default.Rule Medium Severity -
Enable the NodeRestriction Admission Control Plugin
To limit the <code>Node</code> and <code>Pod</code> objects that a kubelet could modify, ensure that the <code>NodeRestriction</code> plugin on kub...Rule Medium Severity -
Enable the SecurityContextConstraint Admission Control Plugin
To ensure pod permissions are managed, make sure that theSecurityContextConstraintadmission control plugin is used.Rule Medium Severity -
Ensure that the admission control plugin SecurityContextDeny is set if PodSecurityPolicy is not used
Instead of using a customized SecurityContext for pods, a Pod Security Policy (PSP) or a SecurityContextConstraint should be used. These are cluste...Rule Medium Severity -
Enable the ServiceAccount Admission Control Plugin
To ensure <code>ServiceAccount</code> objects must be created and granted before pod creation is allowed, follow the documentation and create <code...Rule Medium Severity -
Ensure that anonymous requests to the API Server are authorized
By default, anonymous access to the OpenShift API is enabled, but at the same time, all requests must be authorized. If no authentication mechanism...Rule Medium Severity -
Ensure catch-all FlowSchema object for API Priority and Fairness Exists
Using <code>APIPriorityAndFairness</code> feature provides a fine-grained way to control the behaviour of the Kubernetes API server in an overload ...Rule Medium Severity
Node 2
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