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Mirantis Kubernetes Engine Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • If MKE is deployed on a Red Hat or CentOS system, SELinux security must be enabled.

    <VulnDiscussion>SELinux provides a Mandatory Access Control (MAC) system on RHEL and CentOS that greatly augments the default Discretionary A...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Docker socket must not be mounted inside any containers.

    &lt;VulnDiscussion&gt;The Docker socket docker.sock must not be mounted inside a container, with the exception case being during the installation o...
    Rule Medium Severity
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  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
    Show

  • Linux Kernel capabilities must be restricted within containers.

    &lt;VulnDiscussion&gt;By default, MKE starts containers with a restricted set of Linux Kernel Capabilities. Any process may be granted the required...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
    Show

  • Incoming container traffic must be bound to a specific host interface.

    &lt;VulnDiscussion&gt;Privileged ports are those ports below 1024 and that require system privileges for their use. If containers are able to use t...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
    Show

  • CPU priority must be set appropriately on all containers.

    &lt;VulnDiscussion&gt;All containers on a Docker host share the resources equally. By using the resource management capabilities of Docker host, su...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000315

    <GroupDescription></GroupDescription>
    Group
    Show

  • MKE must use a non-AUFS storage driver.

    &lt;VulnDiscussion&gt;The aufs storage driver is an old driver based on a Linux kernel patch-set that is unlikely to be merged into the main Linux ...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000320

    <GroupDescription></GroupDescription>
    Group
    Show

  • MKE's self-signed certificates must be replaced with DOD trusted, signed certificates.

    &lt;VulnDiscussion&gt;Self-signed certificates pose security risks, as they are not issued by a trusted third party. DOD trusted, signed certificat...
    Rule Medium Severity
    Show

  • SRG-APP-000141-CTR-000320

    <GroupDescription></GroupDescription>
    Group
    Show

  • The "Create repository on push" option in MSR must be disabled.

    &lt;VulnDiscussion&gt;Allowing repositories to be created on a push can override essential settings and must not be allowed.&lt;/VulnDiscussion&gt;...
    Rule Medium Severity
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  • SRG-APP-000142-CTR-000330

    <GroupDescription></GroupDescription>
    Group
    Show

  • Containers must not map to privileged ports.

    &lt;VulnDiscussion&gt;Privileged ports are those ports below 1024 and that require system privileges for their use. If containers are able to use t...
    Rule Medium Severity
    Show

  • SRG-APP-000148-CTR-000345

    <GroupDescription></GroupDescription>
    Group
    Show

  • MKE must not permit users to create pods that share host process namespace.

    &lt;VulnDiscussion&gt;Controlling information flow between MKE components and container user services instantiated by MKE must enforce organization...
    Rule Medium Severity
    Show

  • IPSec network encryption must be configured.

    &lt;VulnDiscussion&gt;IPsec encrypts the data traffic between nodes in a Kubernetes cluster, ensuring that the information exchanged is confidentia...
    Rule Medium Severity
    Show

Node 2

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