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Rancher Government Solutions RKE2 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000033-CTR-000100

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-APP-000100-CTR-000200

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-APP-000133-CTR-000300

    <GroupDescription></GroupDescription>
    Group
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  • Configuration and authentication files for Rancher RKE2 must be protected.

    &lt;VulnDiscussion&gt;There are various configuration files, logs, access credentials, and other files stored on the host filesystem that contain s...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
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  • Rancher RKE2 must be configured with only essential configurations.

    &lt;VulnDiscussion&gt;It is important to disable any unnecessary components to reduce any potential attack surfaces. RKE2 allows disabling the fo...
    Rule Medium Severity
    Show

  • SRG-APP-000142-CTR-000325

    <GroupDescription></GroupDescription>
    Group
    Show

  • Rancher RKE2 runtime must enforce ports, protocols, and services that adhere to the PPSM CAL.

    &lt;VulnDiscussion&gt;Ports, protocols, and services within the RKE2 runtime must be controlled and conform to the PPSM CAL. Those ports, protocols...
    Rule Medium Severity
    Show

  • SRG-APP-000171-CTR-000435

    <GroupDescription></GroupDescription>
    Group
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  • Rancher RKE2 must terminate all network connections associated with a communications session at the end of the session, or as follows: for in-band management sessions (privileged sessions), the session must be terminated after five minutes of inactivity.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule Medium Severity
    Show

  • SRG-APP-000233-CTR-000585

    <GroupDescription></GroupDescription>
    Group
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  • Rancher RKE2 runtime must isolate security functions from nonsecurity functions.

    &lt;VulnDiscussion&gt;RKE2 runs as isolated as possible. RKE2 is a container-based Kubernetes distribution. A container image is essentially a com...
    Rule Medium Severity
    Show

  • SRG-APP-000243-CTR-000600

    <GroupDescription></GroupDescription>
    Group
    Show

  • Rancher RKE2 runtime must maintain separate execution domains for each container by assigning each container a separate address space to prevent unauthorized and unintended information transfer via shared system resources.

    &lt;VulnDiscussion&gt;Separating user functionality from management functionality is a requirement for all the components within the Kubernetes Con...
    Rule Medium Severity
    Show

  • SRG-APP-000340-CTR-000770

    <GroupDescription></GroupDescription>
    Group
    Show

  • Rancher RKE2 must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

    &lt;VulnDiscussion&gt;Admission controllers intercept requests to the Kubernetes API before an object is instantiated. Enabling the admissions webh...
    Rule Medium Severity
    Show

  • SRG-APP-000378-CTR-000880

    <GroupDescription></GroupDescription>
    Group
    Show

  • Rancher RKE2 must prohibit the installation of patches, updates, and instantiation of container images without explicit privileged status.

    &lt;VulnDiscussion&gt;Controlling access to those users and roles responsible for patching and updating RKE2 reduces the risk of untested or potent...
    Rule Medium Severity
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