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    Docker Enterprise DISA STIG

    Prisma Cloud supports the Docker Enterprise DISA STIG. STIGs contain technical guidance to lock down systems that might otherwise be vulnerable to attack. This STIG ensures government agencies run Docker Enterprise securely.
    For an overview of the STIG, see here. To download the STIG, see here.

    Checks

    Prisma Cloud offers a compliance template for the Docker Enterprise DISA STIG. In many cases, DISA STIG checks map to checks already supported in the product. In some cases, we’ve implemented checks specficially to support the Docker Enterprise STIG. When configuring your compliance policy, simply select the DISA STIG template to enable all relevant checks.

    CAT I

    CAT I is a category code for any vulnerability, which when exploited, will directly and immediately result in loss of Confidentiality, Availability, or Integrity. These risks are the most severe.
    The following table lists the CAT I checks implemented in Prisma Cloud, and how they map to existing Prisma Cloud checks. All CAT I checks, except DKER-EE-001070, map to CIS Docker Benchmark checks. A separate check has been implemented for DKER-EE-001070 to support the Docker Enterprise STIG.
    STIG ID
    Prisma Cloud ID
    Description
    DKER-EE-001070
    N/A
    FIPS mode must be enabled on all Docker Engine - Enterprise nodes.
    DKER-EE-002000
    59
    Docker Enterprise hosts network namespace must not be shared.
    DKER-EE-002030
    512
    All Docker Enterprise containers root filesystem must be mounted as read only.
    DKER-EE-002040
    517
    Docker Enterprise host devices must not be directly exposed to containers.
    DKER-EE-002070
    521
    The Docker Enterprise default seccomp profile must not be disabled.
    DKER-EE-002080
    224
    Docker Enterprise exec commands must not be used with privileged option.
    DKER-EE-002110
    525
    All Docker Enterprise containers must be restricted from acquiring additional privileges.
    DKER-EE-002120
    530
    The Docker Enterprise hosts user namespace must not be shared.
    DKER-EE-002130
    531
    The Docker Enterprise socket must not be mounted inside any containers.
    DKER-EE-002150
    57
    Docker Enterprise privileged ports must not be mapped within containers.
    DKER-EE-005170
    31
    Docker Enterprise docker.service file ownership must be set to root:root.
    DKER-EE-005190
    33
    Docker Enterprise docker.socket file ownership must be set to root:root.
    DKER-EE-005210
    35
    Docker Enterprise /etc/docker directory ownership must be set to root:root.
    DKER-EE-005230
    37
    Docker Enterprise registry certificate file ownership must be set to root:root.
    DKER-EE-005250
    39
    Docker TLS certificate authority (CA) certificate file ownership must be set to root:root
    DKER-EE-005270
    311
    Docker server certificate file ownership must be set to root:root
    DKER-EE-005300
    314
    Docker server certificate key file permissions must be set to 400
    DKER-EE-005310
    315
    Docker Enterprise socket file ownership must be set to root:docker.
    DKER-EE-005320
    316
    Docker Enterprise socket file permissions must be set to 660 or more restrictive.
    DKER-EE-005330
    317
    Docker Enterprise daemon.json file ownership must be set to root:root.
    DKER-EE-005340
    318
    Docker Enterprise daemon.json file permissions must be set to 644 or more restrictive.
    DKER-EE-005350
    319
    Docker Enterprise /etc/default/docker file ownership must be set to root:root.
    DKER-EE-005360
    320
    Docker Enterprise /etc/default/docker file permissions must be set to 644 or more restrictive.

    CAT II

    CAT II is a category code for any vulnerability, which when exploited, has a potential to result in loss of Confidentiality, Availability, or Integrity.
    The following table lists the CAT 1 checks implemented in Prisma Cloud, and how they map to existing checks. Some CAT 1 checks don’t map to any existing checks, and have been implemented specifically for this DISA STIG.
    STIG ID
    Prisma Cloud ID
    Description
    DKER-EE-001050
    26
    TCP socket binding for all Docker Engine - Enterprise nodes in a Universal Control Plane (UCP) cluster must be disabled.
    DKER-EE-001240
    515
    The Docker Enterprise hosts process namespace must not be shared.
    DKER-EE-001250
    516
    The Docker Enterprise hosts IPC namespace must not be shared.
    DKER-EE-001800
    24
    The insecure registry capability in the Docker Engine - Enterprise component of Docker Enterprise must be disabled.
    DKER-EE-001810
    25
    On Linux, a non-AUFS storage driver in the Docker Engine - Enterprise component of Docker Enterprise must be used.
    DKER-EE-001830
    218
    The userland proxy capability in the Docker Engine - Enterprise component of Docker Enterprise must be disabled.
    DKER-EE-001840
    221
    Experimental features in the Docker Engine - Enterprise component of Docker Enterprise must be disabled.
    DKER-EE-001930
    51
    An appropriate AppArmor profile must be enabled on Ubuntu systems for Docker Enterprise.
    DKER-EE-001940
    52
    SELinux security options must be set on Red Hat or CentOS systems for Docker Enterprise.
    DKER-EE-001950
    53
    Linux Kernel capabilities must be restricted within containers as defined in the System Security Plan (SSP) for Docker Enterprise.
    DKER-EE-001960
    54
    Privileged Linux containers must not be used for Docker Enterprise.
    DKER-EE-001970
    56
    SSH must not run within Linux containers for Docker Enterprise.
    DKER-EE-001990
    58
    Only required ports must be open on the containers in Docker Enterprise.
    DKER-EE-002010
    510
    Memory usage for all containers must be limited in Docker Enterprise.
    DKER-EE-002050
    519
    Mount propagation mode must not set to shared in Docker Enterprise.
    DKER-EE-002060
    520
    The Docker Enterprise hosts UTS namespace must not be shared.
    DKER-EE-002100
    524
    cgroup usage must be confirmed in Docker Enterprise.
    DKER-EE-002160
    513
    Docker Enterprise incoming container traffic must be bound to a specific host interface.
    DKER-EE-002400
    223
    Docker Enterprise Swarm manager must be run in auto-lock mode.
    DKER-EE-002770
    406
    Docker Enterprise container health must be checked at runtime.
    DKER-EE-002780
    528
    PIDs cgroup limits must be used in Docker Enterprise.
    DKER-EE-003200
    41
    Docker Enterprise images must be built with the USER instruction to prevent containers from running as root.
    DKER-EE-004030
    514
    The on-failure container restart policy must be is set to 5 in Docker Enterprise.
    DKER-EE-004040
    518
    The Docker Enterprise default ulimit must not be overwritten at runtime unless approved in the System Security Plan (SSP).
    DKER-EE-005180
    32
    Docker Enterprise docker.service file permissions must be set to 644 or more restrictive.
    DKER-EE-005200
    34
    Docker Enterprise docker.socket file permissions must be set to 644 or more restrictive.
    DKER-EE-005220
    36
    Docker Enterprise /etc/docker directory permissions must be set to 755 or more restrictive.
    DKER-EE-005240
    38
    Docker Enterprise registry certificate file permissions must be set to 444 or more restrictive.
    DKER-EE-005260
    310
    Docker TLS certificate authority (CA) certificate file permissions must be set to 444 or more restrictive
    DKER-EE-005280
    312
    Docker server certificate file permissions must be set to 444 or more restrictive
    DKER-EE-005290
    313
    Docker server certificate key file ownership must be set to root:root
    DKER-EE-006270
    217
    Docker Enterprise Swarm services must be bound to a specific host interface.

    CAT III

    CAT III is a category code for any vulnerability, which when it exists, degrades measures to protect against loss of Confidentiality, Availability, or Integrity.
    The following table lists the CAT III checks implemented in Prisma Cloud, and how they map to existing Prisma Cloud checks. All checks map to CIS Docker Benchmark checks.
    STIG ID
    Prisma Cloud ID
    Description
    DKER-EE-002020
    511
    Docker Enterprise CPU priority must be set appropriately on all containers.

    Enable DISA STIG for Docker Enterprise checks

    DISA STIG for Docker Enterprise checks have been grouped into a template. Checks are relevant to containers, images, and hosts.
    1. Log into Console.
    2. Enable the container checks.
      1. Go to
        Defend > Compliance > Containers and images > {Deployed | CI}
        .
      2. Click
        Add rule
        .
      3. Enter a rule name.
      4. In the
        Compliance template