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Rancher Government Solutions RKE2 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000023-CTR-000055

    <GroupDescription></GroupDescription>
    Group
  • RKE2 must use a centralized user management solution to support account management functions.

    &lt;VulnDiscussion&gt;The Kubernetes Controller Manager is a background process that embeds core control loops regulating cluster system state thro...
    Rule Medium Severity
  • SRG-APP-000026-CTR-000070

    <GroupDescription></GroupDescription>
    Group
  • Rancher RKE2 components must be configured in accordance with the security configuration settings based on DOD security configuration or implementation guidance, including SRGs, STIGs, NSA configuration guides, CTOs, and DTMs.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of re-establishing...
    Rule Medium Severity
  • SRG-APP-000033-CTR-000090

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes Controller Manager must have secure binding.

    &lt;VulnDiscussion&gt;Limiting the number of attack vectors and implementing authentication and encryption on the endpoints available to external s...
    Rule Medium Severity
  • SRG-APP-000033-CTR-000090

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes Kubelet must have anonymous authentication disabled.

    &lt;VulnDiscussion&gt;RKE2 registry is used to store images and is the keeper of truth for trusted images within the platform. To guarantee the ima...
    Rule Medium Severity
  • SRG-APP-000033-CTR-000095

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes API server must have the insecure port flag disabled.

    &lt;VulnDiscussion&gt;By default, the API server will listen on two ports. One port is the secure port and the other port is called the "localhost ...
    Rule High Severity
  • SRG-APP-000033-CTR-000095

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes Kubelet must have the read-only port flag disabled.

    &lt;VulnDiscussion&gt;Kubelet serves a small REST API with read access to port 10255. The read-only port for Kubernetes provides no authentication ...
    Rule High Severity
  • SRG-APP-000033-CTR-000095

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes API server must have the insecure bind address not set.

    &lt;VulnDiscussion&gt;By default, the API server will listen on two ports and addresses. One address is the secure address and the other address is...
    Rule High Severity
  • SRG-APP-000033-CTR-000095

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes kubelet must enable explicit authorization.

    &lt;VulnDiscussion&gt;Kubelet is the primary agent on each node. The API server communicates with each kubelet to perform tasks such as starting/st...
    Rule High Severity
  • SRG-APP-000033-CTR-000100

    <GroupDescription></GroupDescription>
    Group
  • The Kubernetes API server must have anonymous authentication disabled.

    &lt;VulnDiscussion&gt;The Kubernetes API Server controls Kubernetes via an API interface. A user who has access to the API essentially has root acc...
    Rule High Severity
  • SRG-APP-000100-CTR-000200

    <GroupDescription></GroupDescription>
    Group
  • All audit records must identify any containers associated with the event within Rancher RKE2.

    &lt;VulnDiscussion&gt;Ensure that the --audit-log-maxage argument is set to 30 or as appropriate. Retaining logs for at least 30 days ensures that...
    Rule Medium Severity

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