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Code Issues Releases Wiki Activity

Update gke-1.0 (#873)

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* Create controlplane.yaml

* Update and tidy yaml

* Update and tidy yaml

* Update and tidy yaml
pull/874/head^2
Yoav Rotem 3 years ago committed by GitHub
parent e4d9455820
commit 9820da9579
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 19 additions and 83 deletions
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1
cfg/gke-1.0/controlplane.yaml
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@ -20,6 +20,7 @@ groups:
- id: 3.2
text: "Logging"
type: skip
checks:
- id: 3.2.1
text: "Ensure that a minimal audit policy is created (Not Scored)"

1
cfg/gke-1.0/etcd.yaml
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@ -7,6 +7,7 @@ type: "etcd"
groups:
- id: 2
text: "Etcd Node Configuration Files"
type: skip
checks:
- id: 2.1
text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Not Scored)"

4
cfg/gke-1.0/master.yaml
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@ -7,6 +7,7 @@ type: "master"
groups:
- id: 1.1
text: "Master Node Configuration Files "
type: skip
checks:
- id: 1.1.1
text: "Ensure that the API server pod specification file permissions are set to 644 or more restrictive (Not Scored)"
@ -115,6 +116,7 @@ groups:
- id: 1.2
text: "API Server"
type: skip
checks:
- id: 1.2.1
text: "Ensure that the --anonymous-auth argument is set to false (Not Scored)"
@ -298,6 +300,7 @@ groups:
- id: 1.3
text: "Controller Manager"
type: skip
checks:
- id: 1.3.1
text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Not Scored)"
@ -336,6 +339,7 @@ groups:
- id: 1.4
text: "Scheduler"
type: skip
checks:
- id: 1.4.1
text: "Ensure that the --profiling argument is set to false (Not Scored)"

96
cfg/gke-1.0/node.yaml
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@ -10,55 +10,25 @@ groups:
checks:
- id: 4.1.1
text: "Ensure that the kubelet service file permissions are set to 644 or more restrictive (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false
- id: 4.1.2
text: "Ensure that the kubelet service file ownership is set to root:root (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false
- id: 4.1.3
text: "Ensure that the proxy kubeconfig file permissions are set to 644 or more restrictive (Scored)"
audit: '/bin/sh -c ''if test -e $proxykubeconfig; then stat -c %a $proxykubeconfig; fi'' '
audit: '/bin/sh -c ''if test -e $proxykubeconfig; then stat -c permissions=%a $proxykubeconfig; fi'' '
tests:
test_items:
- flag: "644"
- flag: "permissions"
compare:
op: eq
op: bitmask
value: "644"
set: true
- flag: "640"
compare:
op: eq
value: "640"
set: true
- flag: "600"
compare:
op: eq
value: "600"
set: true
- flag: "444"
compare:
op: eq
value: "444"
set: true
- flag: "440"
compare:
op: eq
value: "440"
set: true
- flag: "400"
compare:
op: eq
value: "400"
set: true
- flag: "000"
compare:
op: eq
value: "000"
set: true
bin_op: or
remediation: |
Run the below command (based on the file location on your system) on each worker node.
For example,
@ -71,7 +41,6 @@ groups:
tests:
test_items:
- flag: root:root
set: true
remediation: |
Run the below command (based on the file location on your system) on each worker node.
For example, chown root:root $proxykubeconfig
@ -79,65 +48,38 @@ groups:
- id: 4.1.5
text: "Ensure that the kubelet.conf file permissions are set to 644 or more restrictive (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false
- id: 4.1.6
text: "Ensure that the kubelet.conf file ownership is set to root:root (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false
- id: 4.1.7
text: "Ensure that the certificate authorities file permissions are set to 644 or more restrictive (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false
- id: 4.1.8
text: "Ensure that the client certificate authorities file ownership is set to root:root (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false
- id: 4.1.9
text: "Ensure that the kubelet configuration file has permissions set to 644 or more restrictive (Scored)"
audit: '/bin/sh -c ''if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'' '
audit: '/bin/sh -c ''if test -e $kubeletconf; then stat -c permissions=%a $kubeletconf; fi'' '
tests:
test_items:
- flag: "644"
- flag: "permissions"
set: true
compare:
op: eq
value: "644"
- flag: "640"
set: true
compare:
op: eq
value: "640"
- flag: "600"
set: true
compare:
op: eq
value: "600"
- flag: "444"
compare:
op: eq
value: "444"
set: true
- flag: "440"
compare:
op: eq
value: "440"
set: true
- flag: "400"
compare:
op: eq
value: "400"
set: true
- flag: "000"
compare:
op: eq
value: "000"
set: true
bin_op: or
remediation: |
Run the following command (using the config file location identified in the Audit step)
chmod 644 $kubeletconf
@ -149,7 +91,6 @@ groups:
tests:
test_items:
- flag: root:root
set: true
remediation: |
Run the following command (using the config file location identified in the Audit step)
chown root:root $kubeletconf
@ -166,7 +107,6 @@ groups:
test_items:
- flag: "--anonymous-auth"
path: '{.authentication.anonymous.enabled}'
set: true
compare:
op: eq
value: false
@ -190,7 +130,6 @@ groups:
test_items:
- flag: --authorization-mode
path: '{.authorization.mode}'
set: true
compare:
op: nothave
value: AlwaysAllow
@ -234,7 +173,6 @@ groups:
test_items:
- flag: "--read-only-port"
path: '{.readOnlyPort}'
set: true
compare:
op: eq
value: 0
@ -257,7 +195,6 @@ groups:
test_items:
- flag: --streaming-connection-idle-timeout
path: '{.streamingConnectionIdleTimeout}'
set: true
compare:
op: noteq
value: 0
@ -285,7 +222,6 @@ groups:
test_items:
- flag: --protect-kernel-defaults
path: '{.protectKernelDefaults}'
set: true
compare:
op: eq
value: true
@ -308,7 +244,6 @@ groups:
test_items:
- flag: --make-iptables-util-chains
path: '{.makeIPTablesUtilChains}'
set: true
compare:
op: eq
value: true
@ -329,9 +264,6 @@ groups:
- id: 4.2.8
text: "Ensure that the --hostname-override argument is not set (Scored)"
# This is one of those properties that can only be set as a command line argument.
# To check if the property is set as expected, we need to parse the kubelet command
# instead reading the Kubelet Configuration file.
audit: "/bin/ps -fC $kubeletbin "
tests:
test_items:
@ -373,13 +305,12 @@ groups:
audit: "/bin/ps -fC $kubeletbin"
audit_config: "/bin/cat $kubeletconf"
tests:
bin_op: and
test_items:
- flag: --tls-cert-file
path: '{.tlsCertFile}'
set: true
- flag: --tls-private-key-file
path: '{.tlsPrivateKeyFile}'
set: true
remediation: |
If using a Kubelet config file, edit the file to set tlsCertFile to the location
of the certificate file to use to identify this Kubelet, and tlsPrivateKeyFile
@ -402,7 +333,6 @@ groups:
test_items:
- flag: --rotate-certificates
path: '{.rotateCertificates}'
set: true
compare:
op: eq
value: true
@ -430,7 +360,6 @@ groups:
test_items:
- flag: RotateKubeletServerCertificate
path: '{.featureGates.RotateKubeletServerCertificate}'
set: true
compare:
op: eq
value: true
@ -445,5 +374,6 @@ groups:
- id: 4.2.13
text: "Ensure that the Kubelet only makes use of Strong Cryptographic Ciphers (Not Scored)"
type: skip
remediation: "This control cannot be modified in GKE."
scored: false

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