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Kubernetes Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Kubernetes API server must have Alpha APIs disabled.

    <VulnDiscussion>Kubernetes allows alpha API calls within the API server. The alpha features are disabled by default since they are not ready ...
    Rule Medium Severity
  • SRG-APP-000092-CTR-000165

    <GroupDescription></GroupDescription>
    Group
  • Kubernetes Controller Manager must disable profiling.

    &lt;VulnDiscussion&gt;Kubernetes profiling provides the ability to analyze and troubleshoot Controller Manager events over a web interface on a hos...
    Rule Medium Severity
  • SRG-APP-000142-CTR-000325

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes API Server must enforce ports, protocols, and services (PPS) that adhere to the Ports, Protocols, and Services Management Category Assurance List (PPSM CAL).

    &lt;VulnDiscussion&gt;Kubernetes API Server PPSs must be controlled and conform to the PPSM CAL. Those PPS that fall outside the PPSM CAL must be b...
    Rule Medium Severity
  • SRG-APP-000142-CTR-000325

    <GroupDescription></GroupDescription>
    Group
  • Kubernetes API Server must generate audit records that identify what type of event has occurred, identify the source of the event, contain the event results, identify any users, and identify any containers associated with the event.

    &lt;VulnDiscussion&gt;Within Kubernetes, audit data for all components is generated by the API server. This audit data is important when there are ...
    Rule Medium Severity
  • SRG-APP-000133-CTR-000290

    <GroupDescription></GroupDescription>
    Group
  • Kubernetes Kubelet must deny hostname override.

    &lt;VulnDiscussion&gt;Kubernetes allows for the overriding of hostnames. Allowing this feature to be implemented within the kubelets may break the ...
    Rule Medium Severity
  • SRG-APP-000133-CTR-000295

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes manifests must be owned by root.

    &lt;VulnDiscussion&gt;The manifest files contain the runtime configuration of the API server, proxy, scheduler, controller, and etcd. If an attacke...
    Rule Medium Severity
  • SRG-APP-000133-CTR-000300

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes KubeletConfiguration file must be owned by root.

    &lt;VulnDiscussion&gt;The kubelet configuration file contains the runtime configuration of the kubelet service. If an attacker can gain access to t...
    Rule Medium Severity
  • SRG-APP-000133-CTR-000305

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes KubeletConfiguration files must have file permissions set to 644 or more restrictive.

    &lt;VulnDiscussion&gt;The kubelet configuration file contains the runtime configuration of the kubelet service. If an attacker can gain access to t...
    Rule Medium Severity
  • SRG-APP-000133-CTR-000310

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes manifest files must have least privileges.

    &lt;VulnDiscussion&gt;The manifest files contain the runtime configuration of the API server, scheduler, controller, and etcd. If an attacker can g...
    Rule Medium Severity
  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes cluster must use non-privileged host ports for user pods.

    &lt;VulnDiscussion&gt;Privileged ports are those ports below 1024 and that require system privileges for their use. If containers can use these por...
    Rule Medium Severity
  • SRG-APP-000171-CTR-000435

    <GroupDescription></GroupDescription>
    Group

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