mirror of
https://github.com/aquasecurity/kube-bench.git
synced 2024-12-24 15:38:06 +00:00
53ed68a0b2
The OCP benchmarks uses configs for only binary component variable names. This commit cleans up the OCP config by removing all configuration except those component binaries required to run kube-bench on OCP installations and adds missing ones.
1501 lines
47 KiB
YAML
1501 lines
47 KiB
YAML
---
|
||
controls:
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version: 1.6
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id: 1
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text: "Master Node Security Configuration"
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type: "master"
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groups:
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- id: 1.1
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text: "API Server"
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checks:
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- id: 1.1.1
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text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
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type: "skip"
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||
scored: true
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||
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- id: 1.1.2
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text: "Ensure that the --basic-auth-file argument is not set (Scored)"
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audit: "grep -A2 basic-auth-file /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "--basic-auth-file"
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compare:
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op: eq
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value: ""
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set: false
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml and
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remove the basic-auth-file entry.
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kubernetesMasterConfig:
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apiServerArguments:
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basic-auth-file:
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- /path/to/any/file
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scored: true
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||
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- id: 1.1.3
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text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
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||
type: "skip"
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||
scored: true
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||
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- id: 1.1.4
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text: "Ensure that the --kubelet-https argument is set to true (Scored)"
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audit: "grep -A4 kubeletClientInfo /etc/origin/master/master-config.yaml"
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tests:
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bin_op: and
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test_items:
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- flag: "kubeletClientInfo:"
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compare:
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op: eq
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value: "kubeletClientInfo:"
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set: true
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- flag: "ca: ca-bundle.crt"
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compare:
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op: has
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value: "ca-bundle.crt"
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set: true
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- flag: "certFile: master.kubelet-client.crt"
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compare:
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op: has
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value: "master.kubelet-client.crt"
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set: true
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- flag: "keyFile: master.kubelet-client.key"
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compare:
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op: has
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value: "master.kubelet-client.key"
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set: true
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- flag: "port: 10250"
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compare:
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op: eq
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value: "port: 10250"
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set: true
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and change it to match the below.
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kubeletClientInfo:
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ca: ca-bundle.crt
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certFile: master.kubelet-client.crt
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keyFile: master.kubelet-client.key
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port: 10250
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scored: true
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- id: 1.1.5
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text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
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audit: "grep -A2 insecure-bind-address /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "insecure-bind-address"
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set: false
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and remove the insecure-bind-address entry.
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kubernetesMasterConfig:
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apiServerArguments:
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insecure-bind-address:
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- 127.0.0.1
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scored: true
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- id: 1.1.6
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text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
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audit: "grep -A2 insecure-port /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "insecure-port"
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set: false
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and remove the insecure-port entry.
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kubernetesMasterConfig:
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apiServerArguments:
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insecure-port:
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- 0
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scored: true
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- id: 1.1.7
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text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
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audit: "grep -A2 secure-port /etc/origin/master/master-config.yaml"
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tests:
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bin_op: or
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test_items:
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- flag: "secure-port"
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set: false
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- flag: "secure-port"
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compare:
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op: nothave
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value: "0"
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set: true
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and either remove the secure-port parameter or set it to a different (non-zero)
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desired port.
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kubernetesMasterConfig:
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apiServerArguments:
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secure-port:
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- 8443
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scored: true
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||
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- id: 1.1.8
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text: "Ensure that the --profiling argument is set to false (Scored)"
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type: "skip"
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scored: true
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||
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- id: 1.1.9
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text: "Ensure that the --repair-malformed-updates argument is set to false (Scored)"
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audit: "grep -A2 repair-malformed-updates /etc/origin/master/master-config.yaml"
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tests:
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bin_op: or
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test_items:
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- flag: "repair-malformed-updates"
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set: false
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- flag: "repair-malformed-updates"
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compare:
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op: has
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value: "true"
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set: true
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and remove the repair-malformed-updates entry or set repair-malformed-updates=true.
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scored: true
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- id: 1.1.10
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text: "Ensure that the admission control plugin AlwaysAdmit is not set (Scored)"
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audit: "grep -A4 AlwaysAdmit /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "AlwaysAdmit"
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set: false
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and remove the the entry below.
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AlwaysAdmit:
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configuration:
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kind: DefaultAdmissionConfig
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apiVersion: v1
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disable: false
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scored: true
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- id: 1.1.11
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text: "Ensure that the admission control plugin AlwaysPullImages is set (Scored)"
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audit: "grep -A4 AlwaysPullImages /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "disable: false"
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compare:
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op: has
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value: "false"
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set: true
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and add the the entry below.
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admissionConfig:
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pluginConfig:
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AlwaysPullImages:
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configuration:
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kind: DefaultAdmissionConfig
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apiVersion: v1
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disable: false
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scored: true
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- id: 1.1.12
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text: "Ensure that the admission control plugin DenyEscalatingExec is set (Scored)"
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type: "skip"
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scored: true
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- id: 1.1.13
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text: "Ensure that the admission control plugin SecurityContextDeny is set (Scored)"
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type: "skip"
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scored: true
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- id: 1.1.14
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text: "Ensure that the admission control plugin NamespaceLifecycle is set (Scored)"
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audit: "grep -A4 NamespaceLifecycle /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "NamespaceLifecycle"
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set: false
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remediation: |
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Edit the kubernetes master config file /etc/origin/master/master-config.yaml
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and remove the following entry.
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NamespaceLifecycle:
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configuration:
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kind: DefaultAdmissionConfig
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apiVersion: v1
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disable: true
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scored: true
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- id: 1.1.15
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text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
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audit: "grep -A5 auditConfig /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "enabled: true"
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compare:
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op: has
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value: "true"
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set: true
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remediation: |
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Edit the Openshift master config file /etc/origin/master/master-config.yaml, update the following entry and restart the API server.
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auditConfig:
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auditFilePath: "/var/log/audit-ocp.log"
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enabled: true
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maximumFileRetentionDays: 10
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maximumFileSizeMegabytes: 100
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maximumRetainedFiles: 10
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|
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Make the same changes in the inventory/ansible variables so the changes are not
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lost when an upgrade occurs.
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scored: true
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- id: 1.1.16
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text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
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audit: "grep -A5 auditConfig /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "maximumFileRetentionDays: 10"
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compare:
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op: has
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value: "maximumFileRetentionDays"
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set: true
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remediation: |
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Edit the Openshift master config file /etc/origin/master/master-config.yaml,
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update the maximumFileRetentionDays entry and restart the API server.
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auditConfig:
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auditFilePath: "/var/log/audit-ocp.log"
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enabled: true
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maximumFileRetentionDays: 10
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maximumFileSizeMegabytes: 100
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maximumRetainedFiles: 10
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|
||
Make the same changes in the inventory/ansible variables so the changes are not
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lost when an upgrade occurs.
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scored: true
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||
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- id: 1.1.17
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text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
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audit: "grep -A5 auditConfig /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "maximumRetainedFiles: 10"
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compare:
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op: has
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value: "maximumRetainedFiles"
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set: true
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remediation: |
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||
Edit the Openshift master config file /etc/origin/master/master-config.yaml, update the maximumRetainedFiles entry,
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set enabled to true and restart the API server.
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auditConfig:
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auditFilePath: "/var/log/audit-ocp.log"
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enabled: true
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maximumFileRetentionDays: 10
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maximumFileSizeMegabytes: 100
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maximumRetainedFiles: 10
|
||
|
||
Make the same changes in the inventory/ansible variables so the changes are not
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lost when an upgrade occurs.
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scored: true
|
||
|
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- id: 1.1.18
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text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
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audit: "grep -A5 auditConfig /etc/origin/master/master-config.yaml"
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tests:
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test_items:
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- flag: "maximumFileSizeMegabytes: 100"
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compare:
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op: has
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value: "maximumFileSizeMegabytes"
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set: true
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remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml, update the maximumFileSizeMegabytes entry,
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set enabled to true and restart the API server.
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|
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auditConfig:
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auditFilePath: "/var/log/audit-ocp.log"
|
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enabled: true
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maximumFileRetentionDays: 10
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maximumFileSizeMegabytes: 100
|
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maximumRetainedFiles: 10
|
||
|
||
Make the same changes in the inventory/ansible variables so the changes are not
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||
lost when an upgrade occurs.
|
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scored: true
|
||
|
||
- id: 1.1.19
|
||
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
|
||
audit: "grep -A1 authorization-mode /etc/origin/master/master-config.yaml"
|
||
tests:
|
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test_items:
|
||
- flag: "authorization-mode"
|
||
set: false
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and remove the authorization-mode
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entry.
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|
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kubernetesMasterConfig:
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apiServerArguments:
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authorization-mode:
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- AllowAll
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scored: true
|
||
|
||
- id: 1.1.20
|
||
text: "Ensure that the --token-auth-file parameter is not set (Scored)"
|
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audit: "grep token-auth-file /etc/origin/master/master-config.yaml"
|
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tests:
|
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test_items:
|
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- flag: "token-auth-file"
|
||
set: false
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and remove the token-auth-file
|
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entry under apiserverArguments section.
|
||
|
||
kubernetesMasterConfig:
|
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apiServerArguments:
|
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token-auth-file:
|
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- /path/to/file
|
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scored: true
|
||
|
||
- id: 1.1.21
|
||
text: "Ensure that the --kubelet-certificate-authority argument is set as appropriate (Scored)"
|
||
audit: "grep -A1 kubelet-certificate-authority /etc/origin/master/master-config.yaml"
|
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tests:
|
||
test_items:
|
||
- flag: "kubelet-certificate-authority"
|
||
set: false
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and remove the following
|
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configuration under apiserverArguments section.
|
||
|
||
kubernetesMasterConfig:
|
||
apiServerArguments:
|
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kubelet-certificat-authority:
|
||
- /path/to/ca
|
||
scored: true
|
||
|
||
- id: 1.1.22
|
||
text: "Ensure that the --kubelet-client-certificate and --kubelet-client-key arguments are set as appropriate (Scored)"
|
||
audit: "grep -A4 kubeletClientInfo /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: and
|
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test_items:
|
||
- flag: "keyFile: master.kubelet-client.key"
|
||
compare:
|
||
op: has
|
||
value: "keyFile: master.kubelet-client.key"
|
||
set: true
|
||
- flag: "certFile: master.kubelet-client.crt"
|
||
compare:
|
||
op: has
|
||
value: "certFile: master.kubelet-client.crt"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and add the following
|
||
configuration under kubeletClientInfo
|
||
|
||
kubeletClientInfo:
|
||
ca: ca-bundle.crt
|
||
certFile: master.kubelet-client.crt
|
||
keyFile: master.kubelet-client.key
|
||
port: 10250
|
||
scored: true
|
||
|
||
- id: 1.1.23
|
||
text: "Ensure that the --service-account-lookup argument is set to true"
|
||
type: skip
|
||
scored: true
|
||
|
||
- id: 1.1.24
|
||
text: "Ensure that the admission control plugin PodSecurityPolicy is set (Scored)"
|
||
type: "skip"
|
||
scored: true
|
||
|
||
- id: 1.1.25
|
||
text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
|
||
audit: "grep -A9 serviceAccountConfig /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "privateKeyFile: serviceaccounts.private.key"
|
||
compare:
|
||
op: has
|
||
value: "privateKeyFile: serviceaccounts.private.key"
|
||
set: true
|
||
- flag: "serviceaccounts.public.key"
|
||
compare:
|
||
op: has
|
||
value: "serviceaccounts.public.key"
|
||
set: true
|
||
remediation: |
|
||
OpenShift API server does not use the service-account-key-file argument.
|
||
Even if value is set in master-config.yaml, it will not be used to verify
|
||
service account tokens, as it is in upstream Kubernetes. The ServiceAccount
|
||
token authenticator is configured with serviceAccountConfig.publicKeyFiles in
|
||
the master-config.yaml. OpenShift does not reuse the apiserver TLS key.
|
||
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set the privateKeyFile
|
||
and publicKeyFile configuration under serviceAccountConfig.
|
||
|
||
serviceAccountConfig:
|
||
limitSecretReferences: false
|
||
managedNames:
|
||
- default
|
||
- builder
|
||
- deployer
|
||
masterCA: ca-bundle.crt
|
||
privateKeyFile: serviceaccounts.private.key
|
||
publicKeyFiles:
|
||
- serviceaccounts.public.key
|
||
|
||
Verify that privateKeyFile and publicKeyFile exist and set.
|
||
scored: true
|
||
|
||
- id: 1.1.26
|
||
text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored)"
|
||
audit: "grep -A3 etcdClientInfo /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "certFile: master.etcd-client.crt"
|
||
compare:
|
||
op: has
|
||
value: "certFile: master.etcd-client.crt"
|
||
set: true
|
||
- flag: "keyFile: master.etcd-client.key"
|
||
compare:
|
||
op: has
|
||
value: "keyFile: master.etcd-client.key"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set keyFile and certFile
|
||
under etcdClientInfo like below.
|
||
|
||
etcdClientInfo:
|
||
ca: master.etcd-ca.crt
|
||
certFile: master.etcd-client.crt
|
||
keyFile: master.etcd-client.key
|
||
scored: true
|
||
|
||
- id: 1.1.27
|
||
text: "Ensure that the admission control plugin ServiceAccount is set (Scored)"
|
||
audit: "grep -A4 ServiceAccount /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "ServiceAccount"
|
||
set: false
|
||
- flag: "disable: false"
|
||
compare:
|
||
op: has
|
||
value: "disable: false"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and enable ServiceAccount
|
||
admission control policy.
|
||
|
||
ServiceAccount:
|
||
configuration:
|
||
kind: DefaultAdmissionConfig
|
||
apiVersion: v1
|
||
disable: false
|
||
scored: true
|
||
|
||
- id: 1.1.28
|
||
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
|
||
audit: "grep -A7 servingInfo /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "certFile: master.server.crt"
|
||
compare:
|
||
op: has
|
||
value: "certFile: master.server.crt"
|
||
set: true
|
||
- flag: "keyFile: master.server.key"
|
||
compare:
|
||
op: has
|
||
value: "keyFile: master.server.key"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set keyFile and certFile under servingInfo.
|
||
|
||
servingInfo:
|
||
bindAddress: 0.0.0.0:8443
|
||
bindNetwork: tcp4
|
||
certFile: master.server.crt
|
||
clientCA: ca.crt
|
||
keyFile: master.server.key
|
||
maxRequestsInFlight: 500
|
||
requestTimeoutSeconds: 3600
|
||
scored: true
|
||
|
||
- id: 1.1.29
|
||
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
|
||
audit: "grep -A7 servingInfo /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "clientCA: ca.crt"
|
||
compare:
|
||
op: has
|
||
value: "clientCA: ca.crt"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set clientCA under servingInfo.
|
||
|
||
servingInfo:
|
||
bindAddress: 0.0.0.0:8443
|
||
bindNetwork: tcp4
|
||
certFile: master.server.crt
|
||
clientCA: ca.crt
|
||
keyFile: master.server.key
|
||
maxRequestsInFlight: 500
|
||
requestTimeoutSeconds: 3600
|
||
scored: true
|
||
|
||
- id: 1.1.30
|
||
text: "Ensure that the --etcd-cafile argument is set as appropriate (Scored)"
|
||
audit: "grep -A3 etcdClientInfo /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "ca: master.etcd-ca.crt"
|
||
compare:
|
||
op: has
|
||
value: "ca: master.etcd-ca.crt"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set ca under etcdClientInfo.
|
||
|
||
etcdClientInfo:
|
||
ca: master.etcd-ca.crt
|
||
certFile: master.etcd-client.crt
|
||
keyFile: master.etcd-client.key
|
||
scored: true
|
||
|
||
- id: 1.1.31
|
||
text: "Ensure that the --etcd-cafile argument is set as appropriate (Scored)"
|
||
type: "skip"
|
||
scored: true
|
||
|
||
- id: 1.1.32
|
||
text: "Ensure that the --authorization-mode argument is set to Node (Scored)"
|
||
audit: "grep -A4 NodeRestriction /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "NodeRestriction"
|
||
set: false
|
||
- flag: "disable: false"
|
||
compare:
|
||
op: has
|
||
value: "disable: false"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and enable NodeRestriction ca under etcdClientInfo.
|
||
|
||
NodeRestriction:
|
||
configuration:
|
||
kind: DefaultAdmissionConfig
|
||
apiVersion: v1
|
||
disable: false
|
||
scored: true
|
||
|
||
- id: 1.1.33
|
||
text: "Ensure that the --experimental-encryption-provider-config argument is set as appropriate (Scored)"
|
||
audit: "grep -A1 experimental-encryption-provider-config /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "experimental-encryption-provider-config:"
|
||
compare:
|
||
op: has
|
||
value: "experimental-encryption-provider-config:"
|
||
set: true
|
||
remediation: |
|
||
Follow the instructions in the documentation to configure encryption.
|
||
https://docs.openshift.com/container-platform/3.10/admin_guide/encrypting_data.html
|
||
scored: true
|
||
|
||
- id: 1.1.34
|
||
text: "Ensure that the encryption provider is set to aescbc (Scored)"
|
||
audit: "grep -A1 experimental-encryption-provider-config /etc/origin/master/master-config.yaml | sed -n '2p' | awk '{ print $2 }' | xargs grep -A1 providers"
|
||
tests:
|
||
test_items:
|
||
- flag: "aescbc:"
|
||
compare:
|
||
op: has
|
||
value: "aescbc:"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set aescbc as the first provider in encryption provider config.
|
||
See https://docs.openshift.com/container-platform/3.10/admin_guide/encrypting_data.html.
|
||
scored: true
|
||
|
||
- id: 1.1.35
|
||
text: "Ensure that the admission control policy is set to EventRateLimit (Scored)"
|
||
audit: "grep -A4 EventRateLimit /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "disable: false"
|
||
compare:
|
||
op: has
|
||
value: "disable: false"
|
||
set: true
|
||
remediation: |
|
||
Follow the documentation to enable the EventRateLimit plugin.
|
||
https://docs.openshift.com/container-platform/3.10/architecture/additional_concepts/admission_controllers.html#admission-controllers-general-admission-rules
|
||
scored: true
|
||
|
||
- id: 1.1.36
|
||
text: "Ensure that the AdvancedAuditing argument is not set to false (Scored)"
|
||
audit: "grep AdvancedAuditing /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "AdvancedAuditing"
|
||
compare:
|
||
op: eq
|
||
value: "true"
|
||
set: true
|
||
- flag: "AdvancedAuditing"
|
||
set: false
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and enable AdvancedAuditing,
|
||
|
||
kubernetesMasterConfig:
|
||
apiServerArguments:
|
||
feature-gates:
|
||
- AdvancedAuditing=true
|
||
scored: true
|
||
|
||
# Review 1.1.37 in Aquasec shared doc, the tests are net zero.
|
||
- id: 1.1.37
|
||
text: "Ensure that the --request-timeout argument is set as appropriate (Scored)"
|
||
audit: "grep request-timeout /etc/origin/master/master-config.yaml"
|
||
type: manual
|
||
remediation: |
|
||
change the request-timeout value in the /etc/origin/master/master-config.yaml
|
||
scored: true
|
||
|
||
|
||
- id: 1.2
|
||
text: "Scheduler"
|
||
checks:
|
||
- id: 1.2.1
|
||
text: "Ensure that the --profiling argument is set to false (Scored)"
|
||
type: "skip"
|
||
scored: true
|
||
|
||
|
||
- id: 1.3
|
||
text: "Controller Manager"
|
||
checks:
|
||
- id: 1.3.1
|
||
text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Scored)"
|
||
audit: "grep terminated-pod-gc-threshold -A1 /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "true"
|
||
compare:
|
||
op: has
|
||
value: "true"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and enable terminated-pod-gc-threshold.
|
||
|
||
kubernetesMasterConfig:
|
||
controllerArguments:
|
||
terminated-pod-gc-threshold:
|
||
- true
|
||
|
||
Enabling the "terminated-pod-gc-threshold" settings is optional.
|
||
scored: true
|
||
|
||
- id: 1.3.2
|
||
text: "Ensure that the --profiling argument is set to false (Scored)"
|
||
type: "skip"
|
||
scored: true
|
||
|
||
- id: 1.3.3
|
||
text: "Ensure that the --use-service-account-credentials argument is set to true (Scored)"
|
||
audit: "grep -A2 use-service-account-credentials /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "use-service-account-credentials"
|
||
set: false
|
||
- flag: "true"
|
||
compare:
|
||
op: has
|
||
value: "true"
|
||
set: true
|
||
remediation: |
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and set use-service-account-credentials
|
||
to true under controllerArguments section.
|
||
|
||
kubernetesMasterConfig:
|
||
controllerArguments:
|
||
use-service-account-credentials:
|
||
- true
|
||
scored: true
|
||
|
||
# Review 1.3.4
|
||
- id: 1.3.4
|
||
text: "Ensure that the --service-account-private-key-file argument is set as appropriate (Scored)"
|
||
audit: |
|
||
grep -A9 serviceAccountConfig /etc/origin/master/master-config.yaml | grep privateKeyFile;
|
||
grep -A2 service-account-private-key-file /etc/origin/master/master-config.yaml
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "privateKeyFile: serviceaccounts.private.key"
|
||
compare:
|
||
op: has
|
||
value: "privateKeyFile"
|
||
- flag: "service-account-private-key-file"
|
||
set: false
|
||
remediation:
|
||
Edit the Openshift master config file /etc/origin/master/master-config.yaml and remove service-account-private-key-file
|
||
scored: true
|
||
|
||
# Review 1.3.5
|
||
- id: 1.3.5
|
||
text: "Ensure that the --root-ca-file argument is set as appropriate (Scored)"
|
||
audit: "/bin/sh -c 'grep root-ca-file /etc/origin/master/master-config.yaml; grep -A9 serviceAccountConfig /etc/origin/master/master-config.yaml'"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "root-ca-file=/etc/origin/master/ca-bundle.crt"
|
||
compare:
|
||
op: has
|
||
value: "/etc/origin/master/ca-bundle.crt"
|
||
set: true
|
||
test_items:
|
||
- flag: "masterCA: ca-bundle.crt"
|
||
compare:
|
||
op: has
|
||
value: "ca-bundle.crt"
|
||
set: true
|
||
remediation:
|
||
Reset to OpenShift defaults OpenShift starts kube-controller-manager with
|
||
root-ca-file=/etc/origin/master/ca-bundle.crt by default. OpenShift Advanced
|
||
Installation creates this certificate authority and configuration without any
|
||
configuration required.
|
||
|
||
https://docs.openshift.com/container-platform/3.10/admin_guide/service_accounts.html"
|
||
scored: true
|
||
|
||
- id: 1.3.6
|
||
text: "Apply Security Context to Your Pods and Containers (Not Scored)"
|
||
type: "skip"
|
||
scored: false
|
||
|
||
- id: 1.3.7
|
||
text: "Ensure that the RotateKubeletServerCertificate argument is set to true (Scored)"
|
||
audit: "grep -B3 RotateKubeletServerCertificate=true /etc/origin/master/master-config.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "RotateKubeletServerCertificate"
|
||
compare:
|
||
op: eq
|
||
value: "true"
|
||
set: true
|
||
remediation:
|
||
If you decide not to enable the RotateKubeletServerCertificate feature,
|
||
be sure to use the Ansible playbooks provided with the OpenShift installer to
|
||
automate re-deploying certificates.
|
||
scored: true
|
||
|
||
|
||
- id: 1.4
|
||
text: "Configuration Files"
|
||
checks:
|
||
- id: 1.4.1
|
||
text: "Ensure that the API server pod specification file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/node/pods/apiserver.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/node/pods/apiserver.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.2
|
||
text: "Ensure that the API server pod specification file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/node/pods/apiserver.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/node/pods/apiserver.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.3
|
||
text: "Ensure that the controller manager pod specification file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/node/pods/controller.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chmod 644 /etc/origin/node/pods/controllermanager.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.4
|
||
text: "Ensure that the controller manager pod specification file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/node/pods/controller.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/node/pods/controllermanager.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.5
|
||
text: "Ensure that the scheduler pod specification file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/node/pods/apiserver.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/node/pods/apiserver.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.6
|
||
text: "Ensure that the scheduler pod specification file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/node/pods/apiserver.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/node/pods/apiserver.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.7
|
||
text: "Ensure that the etcd pod specification file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/node/pods/etcd.yaml"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/node/pods/etcd.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.8
|
||
text: "Ensure that the etcd pod specification file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/node/pods/etcd.yaml"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/node/pods/etcd.yaml
|
||
scored: true
|
||
|
||
- id: 1.4.9
|
||
text: "Ensure that the Container Network Interface file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/openvswitch/"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/openvswitch/
|
||
scored: true
|
||
|
||
- id: 1.4.10
|
||
text: "Ensure that the Container Network Interface file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/openvswitch/"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/openvswitch/
|
||
scored: true
|
||
|
||
- id: 1.4.11
|
||
text: "Ensure that the etcd data directory permissions are set to 700 or more restrictive(Scored)"
|
||
audit: "stat -c %a /var/lib/etcd"
|
||
tests:
|
||
test_items:
|
||
- flag: "700"
|
||
compare:
|
||
op: eq
|
||
value: "700"
|
||
set: true
|
||
remediation: |
|
||
On the etcd server node, get the etcd data directory, passed as an argument --data-dir ,
|
||
from the below command:
|
||
ps -ef | grep etcd
|
||
Run the below command (based on the etcd data directory found above). For example,
|
||
chmod 700 /var/lib/etcd
|
||
scored: true
|
||
|
||
- id: 1.4.12
|
||
text: "Ensure that the etcd data directory ownership is set to etcd:etcd (Scored)"
|
||
audit: "stat -c %U:%G /var/lib/etcd"
|
||
tests:
|
||
test_items:
|
||
- flag: "etcd:etcd"
|
||
compare:
|
||
op: eq
|
||
value: "etcd:etcd"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown etcd:etcd /var/lib/etcd
|
||
scored: true
|
||
|
||
- id: 1.4.13
|
||
text: "Ensure that the admin.conf file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/master/admin.kubeconfig"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/master/admin.kubeconfig"
|
||
scored: true
|
||
|
||
- id: 1.4.14
|
||
text: "Ensure that the admin.conf file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/master/admin.kubeconfig"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/master/admin.kubeconfig
|
||
scored: true
|
||
|
||
- id: 1.4.15
|
||
text: "Ensure that the scheduler.conf file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/master/openshift-master.kubeconfig"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/master/openshift-master.kubeconfig
|
||
scored: true
|
||
|
||
- id: 1.4.16
|
||
text: "Ensure that the scheduler.conf file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/master/openshift-master.kubeconfig"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/master/openshift-master.kubeconfig
|
||
scored: true
|
||
|
||
- id: 1.4.17
|
||
text: "Ensure that the controller-manager.conf file permissions are set to 644 or more restrictive (Scored)"
|
||
audit: "stat -c %a /etc/origin/master/openshift-master.kubeconfig"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "644"
|
||
compare:
|
||
op: eq
|
||
value: "644"
|
||
set: true
|
||
- flag: "640"
|
||
compare:
|
||
op: eq
|
||
value: "640"
|
||
set: true
|
||
- flag: "600"
|
||
compare:
|
||
op: eq
|
||
value: "600"
|
||
set: true
|
||
remediation: |
|
||
Run the below command.
|
||
|
||
chmod 644 /etc/origin/master/openshift-master.kubeconfig
|
||
scored: true
|
||
|
||
- id: 1.4.18
|
||
text: "Ensure that the controller-manager.conf file ownership is set to root:root (Scored)"
|
||
audit: "stat -c %U:%G /etc/origin/master/openshift-master.kubeconfig"
|
||
tests:
|
||
test_items:
|
||
- flag: "root:root"
|
||
compare:
|
||
op: eq
|
||
value: "root:root"
|
||
set: true
|
||
remediation: |
|
||
Run the below command on the master node.
|
||
|
||
chown root:root /etc/origin/master/openshift-master.kubeconfig
|
||
scored: true
|
||
|
||
|
||
- id: 1.5
|
||
text: "Etcd"
|
||
checks:
|
||
- id: 1.5.1
|
||
text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Scored)"
|
||
audit: "/bin/sh -c '/usr/local/bin/master-exec etcd etcd grep ETCD_CERT_FILE=/etc/etcd/server.crt /proc/1/environ; /usr/local/bin/master-exec etcd etcd grep etcd_key_file=/etc/etcd/server.key /proc/1/environ; grep ETCD_CERT_FILE=/etc/etcd/server.crt /etc/etcd/etcd.conf; grep ETCD_KEY_FILE=/etc/etcd/server.key /etc/etcd/etcd.conf'"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "Binary file /proc/1/environ matches"
|
||
compare:
|
||
op: has
|
||
value: "Binary file /proc/1/environ matches"
|
||
set: true
|
||
- flag: "ETCD_CERT_FILE=/etc/etcd/server.crt"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_CERT_FILE=/etc/etcd/server.crt"
|
||
set: true
|
||
- flag: "ETCD_KEY_FILE=/etc/etcd/server.key"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_KEY_FILE=/etc/etcd/server.key"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: true
|
||
|
||
- id: 1.5.2
|
||
text: "Ensure that the --client-cert-auth argument is set to true (Scored)"
|
||
audit: "/bin/sh -c'/usr/local/bin/master-exec etcd etcd grep ETCD_CLIENT_CERT_AUTH=true /proc/1/environ; grep ETCD_CLIENT_CERT_AUTH /etc/etcd/etcd.conf'"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "Binary file /proc/1/environ matches"
|
||
compare:
|
||
op: has
|
||
value: "Binary file /proc/1/environ matches"
|
||
set: true
|
||
- flag: "ETCD_CLIENT_CERT_AUTH=true"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_CLIENT_CERT_AUTH=true"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: true
|
||
|
||
- id: 1.5.3
|
||
text: "Ensure that the --auto-tls argument is not set to true (Scored)"
|
||
audit: "/bin/sh -c '/usr/local/bin/master-exec etcd etcd grep ETCD_AUTO_TLS /proc/1/environ; grep ETCD_AUTO_TLS /etc/etcd/etcd.conf'"
|
||
tests:
|
||
bin_op: or
|
||
test_items:
|
||
- flag: "ETCD_AUTO_TLS=false"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_AUTO_TLS=false"
|
||
set: true
|
||
- flag: "#ETCD_AUTO_TLS"
|
||
compare:
|
||
op: has
|
||
value: "#ETCD_AUTO_TLS"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: true
|
||
|
||
- id: 1.5.4
|
||
text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Scored)"
|
||
audit: "/bin/sh -c'/usr/local/bin/master-exec etcd etcd grep ETCD_PEER_CERT_FILE=/etc/etcd/peer.crt /proc/1/environ; /usr/local/bin/master-exec etcd etcd grep ETCD_PEER_KEY_FILE=/etc/etcd/peer.key /proc/1/environ; grep ETCD_PEER_CERT_FILE /etc/etcd/etcd.conf; grep ETCD_PEER_KEY_FILE /etc/etcd/etcd.conf'"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "Binary file /proc/1/environ matches"
|
||
compare:
|
||
op: has
|
||
value: "Binary file /proc/1/environ matches"
|
||
set: true
|
||
- flag: "ETCD_PEER_CERT_FILE=/etc/etcd/peer.crt"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_PEER_CERT_FILE=/etc/etcd/peer.crt"
|
||
set: true
|
||
- flag: "ETCD_PEER_KEY_FILE=/etc/etcd/peer.key"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_PEER_KEY_FILE=/etc/etcd/peer.key"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: true
|
||
|
||
- id: 1.5.5
|
||
text: "Ensure that the --peer-client-cert-auth argument is set to true (Scored)"
|
||
audit: "/bin/sh -c '/usr/local/bin/master-exec etcd etcd grep ETCD_PEER_CLIENT_CERT_AUTH=true /proc/1/environ; grep ETCD_PEER_CLIENT_CERT_AUTH /etc/etcd/etcd.conf'"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "Binary file /proc/1/environ matches"
|
||
compare:
|
||
op: has
|
||
value: "Binary file /proc/1/environ matches"
|
||
set: true
|
||
- flag: "ETCD_PEER_CLIENT_CERT_AUTH=true"
|
||
compare:
|
||
op: has
|
||
value: "ETCD_PEER_CLIENT_CERT_AUTH=true"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: true
|
||
|
||
- id: 1.5.6
|
||
text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)"
|
||
audit: "/bin/sh -c '/usr/local/bin/master-exec etcd etcd grep ETCD_PEER_AUTO_TLS /proc/1/environ; grep ETCD_PEER_AUTO_TLS /etc/etcd/etcd.conf'"
|
||
tests:
|
||
bin_op: and
|
||
test_items:
|
||
- flag: "Binary file /proc/1/environ matches"
|
||
compare:
|
||
op: has
|
||
value: "Binary file /proc/1/environ matches"
|
||
set: true
|
||
- flag: "#ETCD_PEER_AUTO_TLS=false"
|
||
compare:
|
||
op: has
|
||
value: "#ETCD_PEER_AUTO_TLS=false"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: true
|
||
|
||
- id: 1.5.7
|
||
text: "Ensure that the --wal-dir argument is set as appropriate Scored)"
|
||
type: "skip"
|
||
scored: true
|
||
|
||
- id: 1.5.8
|
||
text: "Ensure that the --max-wals argument is set to 0 (Scored)"
|
||
type: "skip"
|
||
scored: true
|
||
|
||
- id: 1.5.9
|
||
text: "Ensure that a unique Certificate Authority is used for etcd (Not Scored)"
|
||
audit: "openssl x509 -in /etc/origin/master/master.etcd-ca.crt -subject -issuer -noout | sed 's/@/ /'"
|
||
tests:
|
||
test_items:
|
||
- flag: "issuer= /CN=etcd-signer"
|
||
compare:
|
||
op: has
|
||
value: "issuer= /CN=etcd-signer"
|
||
set: true
|
||
remediation: |
|
||
Reset to the OpenShift default configuration.
|
||
scored: false
|
||
|
||
|
||
- id: 1.6
|
||
text: "General Security Primitives"
|
||
checks:
|
||
- id: 1.6.1
|
||
text: "Ensure that the cluster-admin role is only used where required (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Review users, groups, serviceaccounts bound to cluster-admin:
|
||
oc get clusterrolebindings | grep cluster-admin
|
||
|
||
Review users and groups bound to cluster-admin and decide whether they require
|
||
such access. Consider creating least-privilege roles for users and service accounts
|
||
scored: false
|
||
|
||
- id: 1.6.2
|
||
text: "Create Pod Security Policies for your cluster (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Review Security Context Constraints:
|
||
oc get scc
|
||
|
||
Use OpenShift's Security Context Constraint feature, which has been contributed
|
||
to Kubernetes as Pod Security Policies. PSPs are still beta in Kubernetes 1.10.
|
||
OpenShift ships with two SCCs: restricted and privileged.
|
||
|
||
The two default SCCs will be created when the master is started. The restricted
|
||
SCC is granted to all authenticated users by default.
|
||
|
||
https://docs.openshift.com/container-platform/3.10/admin_guide/manage_scc.html"
|
||
scored: false
|
||
|
||
- id: 1.6.3
|
||
text: "Create administrative boundaries between resources using namespaces (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Review projects:
|
||
oc get projects
|
||
scored: false
|
||
|
||
- id: 1.6.4
|
||
text: "Create network segmentation using Network Policies (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Verify on masters the plugin being used:
|
||
grep networkPluginName /etc/origin/master/master-config.yaml
|
||
|
||
OpenShift provides multi-tenant networking isolation (using Open vSwich and
|
||
vXLAN), to segregate network traffic between containers belonging to different
|
||
tenants (users or applications) while running on a shared cluster. Red Hat also
|
||
works with 3rd-party SDN vendors to provide the same level of capabilities
|
||
integrated with OpenShift. OpenShift SDN is included a part of OpenShift
|
||
subscription.
|
||
|
||
OpenShift supports Kubernetes NetworkPolicy. Administrator must configure
|
||
NetworkPolicies if desired.
|
||
|
||
https://docs.openshift.com/container-platform/3.10/architecture/networking/sdn.html#architecture-additional-concepts-sdn
|
||
|
||
Ansible Inventory variable: os_sdn_network_plugin_name:
|
||
https://docs.openshift.com/container-platform/3.10/install/configuring_inventory_file.html
|
||
scored: false
|
||
|
||
- id: 1.6.5
|
||
text: "Ensure that the seccomp profile is set to docker/default in your pod definitions (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Verify SCCs that have been configured with seccomp:
|
||
oc get scc -ocustom-columns=NAME:.metadata.name,SECCOMP-PROFILES:.seccompProfiles
|
||
|
||
OpenShift does not enable seccomp by default. To configure seccomp profiles that
|
||
are applied to pods run by the SCC, follow the instructions in the
|
||
documentation:
|
||
|
||
https://docs.openshift.com/container-platform/3.9/admin_guide/seccomp.html#admin-guide-seccomp
|
||
scored: false
|
||
|
||
- id: 1.6.6
|
||
text: "Apply Security Context to Your Pods and Containers (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Review SCCs:
|
||
oc describe scc
|
||
|
||
Use OpenShift's Security Context Constraint feature, which has been contributed
|
||
to Kubernetes as Pod Security Policies. PSPs are still beta in Kubernetes 1.10.
|
||
|
||
OpenShift ships with two SCCs: restricted and privileged. The two default SCCs
|
||
will be created when the master is started. The restricted SCC is granted to
|
||
all authenticated users by default.
|
||
|
||
All pods are run under the restricted SCC by default. Running a pod under any
|
||
other SCC requires an account with cluster admin capabilities to grant access
|
||
for the service account.
|
||
|
||
SecurityContextConstraints limit what securityContext is applied to pods and
|
||
containers.
|
||
|
||
https://docs.openshift.com/container-platform/3.10/admin_guide/manage_scc.html
|
||
scored: false
|
||
|
||
- id: 1.6.7
|
||
text: "Configure Image Provenance using ImagePolicyWebhook admission controller (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
Review imagePolicyConfig in /etc/origin/master/master-config.yaml.
|
||
scored: false
|
||
|
||
- id: 1.6.8
|
||
text: "Configure Network policies as appropriate (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
If ovs-networkplugin is used, review network policies:
|
||
oc get networkpolicies
|
||
|
||
OpenShift supports Kubernetes NetworkPolicy via ovs-networkpolicy plugin.
|
||
If choosing ovs-multitenant plugin, each namespace is isolated in its own
|
||
netnamespace by default.
|
||
scored: false
|
||
|
||
- id: 1.6.9
|
||
text: "Place compensating controls in the form of PSP and RBAC for privileged containers usage (Not Scored)"
|
||
type: "manual"
|
||
remediation: |
|
||
1) Determine all sccs allowing privileged containers:
|
||
oc get scc -ocustom-columns=NAME:.metadata.name,ALLOWS_PRIVILEGED:.allowPrivilegedContainer
|
||
2) Review users and groups assigned to sccs allowing priviliged containers:
|
||
oc describe sccs <from (1)>
|
||
|
||
Use OpenShift's Security Context Constraint feature, which has been contributed
|
||
to Kubernetes as Pod Security Policies. PSPs are still beta in Kubernetes 1.10.
|
||
|
||
OpenShift ships with two SCCs: restricted and privileged. The two default SCCs
|
||
will be created when the master is started. The restricted SCC is granted to all
|
||
authenticated users by default.
|
||
|
||
Similar scenarios are documented in the SCC
|
||
documentation, which outlines granting SCC access to specific serviceaccounts.
|
||
Administrators may create least-restrictive SCCs based on individual container
|
||
needs.
|
||
|
||
For example, if a container only requires running as the root user, the anyuid
|
||
SCC can be used, which will not expose additional access granted by running
|
||
privileged containers.
|
||
|
||
https://docs.openshift.com/container-platform/3.10/admin_guide/manage_scc.html
|
||
scored: false
|