arno/kube-bench
1
0
Fork 0
mirror of https://github.com/aquasecurity/kube-bench.git synced 2024-12-22 14:48:07 +00:00
Code Issues Releases Wiki Activity

Add support for various installation modes, hyperkube, kubeadm and kops.

Browse Source 
Issue #17.
This commit is contained in:
Abubakr-Sadik Nii Nai Davis 2017-07-10 00:02:39 +00:00
parent bd53529387
commit 2ee99eca64
6 changed files with 350 additions and 220 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
cfg/federated.yaml
View File

@ -9,7 +9,7 @@ groups:
checks:
- id: 3.1.1
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -23,7 +23,7 @@ groups:
- id: 3.1.2
text: "Ensure that the --basic-auth-file argument is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--basic-auth-file"
@ -35,7 +35,7 @@ groups:
- id: 3.1.3
text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--insecure-allow-any-token"
@ -46,7 +46,7 @@ groups:
- id: 3.1.4
text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--insecure-bind-address"
@ -57,7 +57,7 @@ groups:
- id: 3.1.5
text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
@ -71,7 +71,7 @@ groups:
- id: 3.1.6
text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
bin_op: or
test_items:
@ -88,7 +88,7 @@ groups:
- id: 3.1.7
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -102,7 +102,7 @@ groups:
- id: 3.1.8
text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -117,7 +117,7 @@ groups:
- id: 3.1.9
text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "admission-control"
@ -131,7 +131,7 @@ groups:
- id: 3.1.10
text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-path"
@ -142,7 +142,7 @@ groups:
- id: 3.1.11
text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
@ -156,7 +156,7 @@ groups:
- id: 3.1.12
text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
@ -170,7 +170,7 @@ groups:
- id: 3.1.13
text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
@ -184,7 +184,7 @@ groups:
- id: 3.1.14
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -198,7 +198,7 @@ groups:
- id: 3.1.15
text: "Ensure that the --token-auth-file parameter is not set (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--token-auth-file"
@ -210,7 +210,7 @@ groups:
- id: 3.1.16
text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
@ -224,7 +224,7 @@ groups:
- id: 3.1.17
text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
test_items:
- flag: "--service-account-key-file"
@ -235,7 +235,7 @@ groups:
- id: 3.1.18
text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
bin_op: and
test_items:
@ -252,7 +252,7 @@ groups:
- id: 3.1.19
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep federation-apiserver | grep -v grep"
audit: "ps -ef | grep $federationApiserver | grep -v grep"
tests:
bin_op: and
test_items:
@ -271,7 +271,7 @@ groups:
checks:
- id: 3.2.1
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep federation-controller-manager | grep -v grep"
audit: "ps -ef | grep $federationControllerManager | grep -v grep"
tests:
test_items:
- flag: "--profiling"

228
cfg/master.yaml
View File

@ -9,7 +9,7 @@ groups:
checks:
- id: 1.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "allow-privileged"
@ -17,13 +17,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/config file on the master node and set
remediation: "Edit the $apiserverConf file on the master node and set
the KUBE_ALLOW_PRIV parameter to \"--allow-privileged=false\""
scored: true
- id: 1.1.2
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -31,37 +31,37 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set
remediation: "Edit the $apiserverConf file on the master node and set
the KUBE_API_ARGS parameter to \"--anonymous-auth=false\""
scored: true
- id: 1.1.3
text: "Ensure that the --basic-auth-file argument is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--basic-auth-file"
set: false
remediation: "Follow the documentation and configure alternate mechanisms for
authentication. Then, edit the $kubeConfDir/apiserver file on the master
authentication. Then, edit the $apiserverConf file on the master
node and remove the \"--basic-auth-file=<filename>\" argument from the
KUBE_API_ARGS parameter."
scored: true
- id: 1.1.4
text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--insecure-allow-any-token"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove
remediation: "Edit the $apiserverConf file on the master node and remove
the --insecure-allow-any-token argument from the KUBE_API_ARGS parameter."
scored: true
- id: 1.1.5
text: "Ensure that the --kubelet-https argument is set to true (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
bin_op: or
test_items:
@ -72,24 +72,24 @@ groups:
set: true
- flag: "--kubelet-https"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove
remediation: "Edit the $apiserverConf file on the master node and remove
the --kubelet-https argument from the KUBE_API_ARGS parameter."
scored: true
- id: 1.1.6
text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--insecure-bind-address"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and remove
remediation: "Edit the $apiserverConf file on the master node and remove
the --insecure-bind-address argument from the KUBE_API_ADDRESS parameter."
scored: true
- id: 1.1.7
text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
@ -97,13 +97,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set
remediation: "Edit the $apiserverConf file on the master node and set
--insecure-port=0 in the KUBE_API_PORT parameter."
scored: true
- id: 1.1.8
text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
bin_op: or
test_items:
@ -114,14 +114,14 @@ groups:
set: true
- flag: "--secure-port"
set: false
remediation: "Edit the $kubeConfDir/apiserver file on the master node and either
remediation: "Edit the $apiserverConf file on the master node and either
remove the --secure-port argument from the KUBE_API_ARGS parameter or set
it to a different desired port."
scored: true
- id: 1.1.9
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -129,13 +129,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--profiling=false\""
scored: true
- id: 1.1.10
text: "Ensure that the --repair-malformed-updates argument is set to false (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--repair-malformed-updates"
@ -143,13 +143,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--repair-malformed-updates=false\""
scored: true
- id: 1.1.11
text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -157,13 +157,13 @@ groups:
op: nothave
value: AlwaysAdmit
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to a value that does not include AlwaysAdmit"
scored: true
- id: 1.1.12
text: "Ensure that the admission control policy is set to AlwaysPullImages (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -171,13 +171,13 @@ groups:
op: has
value: "AlwaysPullImages"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,AlwaysPullImages,...\""
scored: true
- id: 1.1.13
text: "Ensure that the admission control policy is set to DenyEscalatingExec (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -185,13 +185,13 @@ groups:
op: has
value: "DenyEscalatingExec"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,DenyEscalatingExec,...\""
scored: true
- id: 1.1.14
text: "Ensure that the admission control policy is set to SecurityContextDeny (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -199,13 +199,13 @@ groups:
op: has
value: "SecurityContextDeny"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=...,SecurityContextDeny,...\""
scored: true
- id: 1.1.15
text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "admission-control"
@ -213,24 +213,24 @@ groups:
op: has
value: "NamespaceLifecycle"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admission-control=NamespaceLifecycle,...\""
scored: true
- id: 1.1.16
text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-path"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-path=<filename>\""
scored: true
- id: 1.1.17
text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
@ -238,13 +238,13 @@ groups:
op: gte
value: 30
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-maxage=30\""
scored: true
- id: 1.1.18
text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
@ -252,13 +252,13 @@ groups:
op: gte
value: 10
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-maxbackup=10\""
scored: true
- id: 1.1.19
text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
@ -266,13 +266,13 @@ groups:
op: gte
value: 100
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--audit-log-maxsize=100\""
scored: true
- id: 1.1.20
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -280,38 +280,38 @@ groups:
op: nothave
value: "AlwaysAllow"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the
remediation: "Edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to values other than \"--authorization-mode=AlwaysAllow\""
scored: true
- id: 1.1.21
text: "Ensure that the --token-auth-file parameter is not set (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--token-auth-file"
set: false
remediation: "Follow the documentation and configure alternate mechanisms for authentication.
Then, edit the $kubeConfDir/apiserver file on the master node and remove the
Then, edit the $apiserverConf file on the master node and remove the
\"--tokenauth-file=<filename>\" argument from the KUBE_API_ARGS parameter."
scored: true
- id: 1.1.22
text: "Ensure that the --kubelet-certificate-authority argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--kubelet-certificate-authority"
set: true
remediation: "Follow the Kubernetes documentation and setup the TLS connection between
the apiserver and kubelets. Then, edit the $kubeConfDir/apiserver file on the
the apiserver and kubelets. Then, edit the $apiserverConf file on the
master node and set the KUBE_API_ARGS parameter to
\"--kubelet-certificate-authority=<ca-string>\""
scored: true
- id: 1.1.23
text: "Ensure that the --kubelet-client-certificate and --kubelet-clientkey arguments are set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
bin_op: and
test_items:
@ -320,14 +320,14 @@ groups:
- flag: "--kubelet-client-key"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
and kubelets. Then, edit the $kubeConfDir/apiserver file on the master node and set the
and kubelets. Then, edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to \"--kubelet-clientcertificate=<path/to/client-certificate-file>\"
and \"--kubelet-clientkey=<path/to/client-key-file>\""
scored: true
- id: 1.1.24
text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
@ -335,13 +335,13 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter
remediation: "Edit the $apiserverConf file on the master node and set the KUBE_API_ARGS parameter
to \"--service-account-lookup=true\""
scored: true
- id: 1.1.25
text: "Ensure that the admission control policy is set to PodSecurityPolicy (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -350,24 +350,24 @@ groups:
value: "PodSecurityPolicy"
set: true
remediation: "Follow the documentation and create Pod Security Policy objects as per your environment.
Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_ADMISSION_CONTROL
Then, edit the $apiserverConf file on the master node and set the KUBE_ADMISSION_CONTROL
parameter to \"--admission-control=...,PodSecurityPolicy,...\""
scored: true
- id: 1.1.26
text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--service-account-key-file"
set: true
remediation: "Edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS
remediation: "Edit the $apiserverConf file on the master node and set the KUBE_API_ARGS
parameter to \"--service-account-key-file=<filename>\""
scored: true
- id: 1.1.27
text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
bin_op: and
test_items:
@ -376,14 +376,14 @@ groups:
- flag: "--etcd-keyfile"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
and etcd. Then, edit the $kubeConfDir/apiserver file on the master node and set the
and etcd. Then, edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to include \"--etcd-certfile=<path/to/clientcertificate-file>\"
and \"--etcd-keyfile=<path/to/client-key-file>\""
scored: true
- id: 1.1.28
text: "Ensure that the admission control policy is set to ServiceAccount (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -392,13 +392,13 @@ groups:
value: "ServiceAccount"
set: true
remediation: "Follow the documentation and create ServiceAccount objects as per your environment.
Then, edit the $kubeConfDir/apiserver file on the master node and set the
Then, edit the $apiserverConf file on the master node and set the
KUBE_ADMISSION_CONTROL parameter to \"--admissioncontrol=...,ServiceAccount,...\""
scored: true
- id: 1.1.29
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
bin_op: and
test_items:
@ -407,32 +407,32 @@ groups:
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver.
Then, edit the $kubeConfDir/apiserver file on the master node and set the KUBE_API_ARGS parameter to
Then, edit the $apiserverConf file on the master node and set the KUBE_API_ARGS parameter to
include \"--tls-cert-file=<path/to/tls-certificatefile>\" and
\"--tls-private-key-file=<path/to/tls-key-file>\""
scored: true
- id: 1.1.30
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--client-ca-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver.
Then, edit the $kubeConfDir/apiserver file on the master node and set the
Then, edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to include \"--client-ca-file=<path/to/client-ca-file>\""
scored: true
- id: 1.1.31
text: "Ensure that the --etcd-cafile argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-apiserver | grep -v grep"
audit: "ps -ef | grep $kubeApiserver | grep -v grep"
tests:
test_items:
- flag: "--etcd-cafile"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
and etcd. Then, edit the $kubeConfDir/apiserver file on the master node and set the
and etcd. Then, edit the $apiserverConf file on the master node and set the
KUBE_API_ARGS parameter to include \"--etcd-cafile=<path/to/ca-file>\""
scored: true
@ -441,7 +441,7 @@ groups:
checks:
- id: 1.2.1
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep kube-scheduler | grep -v grep"
audit: "ps -ef | grep $kubeScheduler | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -449,7 +449,7 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/scheduler file on the master node and set the KUBE_SCHEDULER_ARGS
remediation: "Edit the $schedulerConf file on the master node and set the KUBE_SCHEDULER_ARGS
parameter to \"--profiling=false\""
scored: true
@ -458,18 +458,18 @@ groups:
checks:
- id: 1.3.1
text: "Ensure that the --terminated-pod-gc-threshold argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $kubeControllerManager | grep -v grep"
tests:
test_items:
- flag: "--terminated-pod-gc-threshold"
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllerManagerConf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--terminated-pod-gcthreshold=<appropriate-number>\""
scored: true
- id: 1.3.2
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $kubeControllerManager | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -477,25 +477,25 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllerManagerConf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to \"--profiling=false\""
scored: true
- id: 1.3.3
text: "Ensure that the --insecure-experimental-approve-all-kubelet-csrs-for-group argument is not set (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $kubeControllerManager | grep -v grep"
tests:
test_items:
- flag: "--insecure-experimental-approve-all-kubelet-csrs-for-group"
set: false
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and remove
remediation: "Edit the $controllerManagerConf file on the master node and remove
the -insecure-experimental-approve-all-kubelet-csrs-for-group argument from the
KUBE_CONTROLLER_MANAGER_ARGS parameter"
scored: true
- id: 1.3.4
text: "Ensure that the --use-service-account-credentials argument is set"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $kubeControllerManager | grep -v grep"
tests:
test_items:
- flag: "--use-service-account-credentials"
@ -503,29 +503,29 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllerManagerConf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to --use-service-account-credentials=true"
scored: true
- id: 1.3.5
text: "Ensure that the --service-account-private-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $kubeControllerManager | grep -v grep"
tests:
test_items:
- flag: "--service-account-private-key-file"
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllerManagerConf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to --service-account-private-keyfile=<filename>"
scored: true
- id: 1.3.6
text: "Ensure that the --root-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kube-controller-manager | grep -v grep"
audit: "ps -ef | grep $kubeControllerManager | grep -v grep"
tests:
test_items:
- flag: "--root-ca-file"
set: true
remediation: "Edit the $kubeConfDir/controller-manager file on the master node and set the
remediation: "Edit the $controllerManagerConf file on the master node and set the
KUBE_CONTROLLER_MANAGER_ARGS parameter to include --root-ca-file=<file>"
scored: true
@ -534,126 +534,124 @@ groups:
checks:
- id: 1.4.1
text: "Ensure that the apiserver file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/apiserver; then stat -c %a $kubeConfDir/apiserver; fi"
audit: "if test -e $apiserverConf; then stat -c %a $apiserverConf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $kubeConfDir/apiserver"
\nFor example, chmod 644 $apiserverConf"
scored: true
- id: 1.4.2
text: "Ensure that the apiserver file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/apiserver; then stat -c %U:%G $kubeConfDir/apiserver; fi"
audit: "if test -e $apiserverConf; then stat -c %U:%G $apiserverConf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $kubeConfDir/apiserver"
\nFor example, chown root:root $apiserverConf"
scored: true
- id: 1.4.3
text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %a $kubeConfDir/config; fi"
audit: "if test -e $kubeConfig; then stat -c %a $kubeConfig; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $kubeConfDir/config"
\nFor example, chmod 644 $kubeConfig"
scored: true
- id: 1.4.4
text: "Ensure that the config file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %U:%G $kubeConfDir/config; fi"
audit: "if test -e $kubeConfig; then stat -c %U:%G $kubeConfig; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $kubeConfDir/config"
\nFor example, chown root:root $kubeConfig"
scored: true
- id: 1.4.5
text: "Ensure that the scheduler file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/scheduler; then stat -c %a $kubeConfDir/scheduler; fi"
audit: "if test -e $schedulerConf; then stat -c %a $schedulerConf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $kubeConfDir/scheduler"
\nFor example, chmod 644 $schedulerConf"
scored: true
- id: 1.4.6
text: "Ensure that the scheduler file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/scheduler; then stat -c %U:%G $kubeConfDir/scheduler; fi"
audit: "if test -e $schedulerConf; then stat -c %U:%G $schedulerConf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $kubeConfDir/scheduler"
\nFor example, chown root:root $schedulerConf"
scored: true
- id: 1.4.7
text: "Ensure that the etcd.conf file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $etcdConfDir/etcd.conf; then stat -c %a $etcdConfDir/etcd.conf; fi"
audit: "if test -e $$etcdConf; then stat -c %a $$etcdConf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 $etcdConfDir/etcd.conf"
\nFor example, chmod 644 $$etcdConf"
scored: true
- id: 1.4.8
text: "Ensure that the etcd.conf file ownership is set to root:root (Scored)"
audit: "if test -e $etcdConfDir/etcd.conf; then stat -c %U:%G $etcdConfDir/etcd.conf; fi"
audit: "if test -e $$etcdConf; then stat -c %U:%G $$etcdConf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $etcdConfDir/etcd.conf"
\nFor example, chown root:root $$etcdConf"
scored: true
- id: 1.4.9
text: "Ensure that the flanneld file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e /etc/sysconfig/flanneld; then stat -c %a /etc/sysconfig/flanneld; fi"
audit: "if test -e $$flanneldConf; then stat -c %a $$flanneldConf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chmod 644 /etc/sysconfig/flanneld"
\nFor example, chmod 644 $$flanneldConf"
scored: true
- id: 1.4.10
text: "Ensure that the flanneld file ownership is set to root:root (Scored)"
audit: "if test -e /etc/sysconfig/flanneld; then stat -c %U:%G /etc/sysconfig/flanneld; fi"
audit: "if test -e $$flanneldConf; then stat -c %U:%G $$flanneldConf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root /etc/sysconfig/flanneld"
\nFor example, chown root:root $$flanneldConf"
scored: true
- id: 1.4.11
text: "Ensure that the etcd data directory permissions are set to 700 or more restrictive (Scored)"
# audit: ps -ef | grep etcd | grep -v grep | sed 's,.*--data-dir=\(.*\)\s*.*,\1,' | xargs stat -c %a
audit: "ps -ef | grep etcd | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
# audit: xargs stat -c %a /etc/etcd
audit: "ps -ef | grep $etcd | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
tests:
test_items:
- flag: "700"
set: true
remediation: "On the etcd server node, get the etcd data directory, passed as an argument --data-dir ,
from the below command:\n
ps -ef | grep etcd\n
ps -ef | grep $etcd\n
Run the below command (based on the etcd data directory found above). For example,\n
chmod 700 /var/lib/etcd/default.etcd"
scored: true
@ -663,7 +661,7 @@ groups:
checks:
- id: 1.5.1
text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--cert-file"
@ -675,7 +673,7 @@ groups:
- id: 1.5.2
text: "Ensure that the --client-cert-auth argument is set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--client-cert-auth"
@ -683,7 +681,7 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the etcd envrironment file (for example, $etcdConfDir/etcd.conf) on the
remediation: "Edit the etcd envrironment file (for example, $$etcdConf) on the
etcd server node and set the ETCD_CLIENT_CERT_AUTH parameter to \"true\".
Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service)
and configure the startup parameter for --clientcert-auth and set it to \"${ETCD_CLIENT_CERT_AUTH}\""
@ -691,7 +689,7 @@ groups:
- id: 1.5.3
text: "Ensure that the --auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
bin_op: or
test_items:
@ -701,7 +699,7 @@ groups:
compare:
op: neq
value: true
remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server
remediation: "Edit the etcd environment file (for example, $$etcdConf) on the etcd server
node and comment out the ETCD_AUTO_TLS parameter. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and remove the startup parameter
for --auto-tls."
@ -709,7 +707,7 @@ groups:
- id: 1.5.4
text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--peer-cert-file"
@ -724,7 +722,7 @@ groups:
- id: 1.5.5
text: "Ensure that the --peer-client-cert-auth argument is set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--peer-client-cert-auth"
@ -734,7 +732,7 @@ groups:
set: true
remediation: "Note: This recommendation is applicable only for etcd clusters. If you are using only
one etcd server in your environment then this recommendation is not applicable.
Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node
Edit the etcd environment file (for example, $$etcdConf) on the etcd server node
and set the ETCD_PEER_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file
(for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the
startup parameter for --peer-client-cert-auth and set it to \"${ETCD_PEER_CLIENT_CERT_AUTH}\""
@ -742,7 +740,7 @@ groups:
- id: 1.5.6
text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
bin_op: or
test_items:
@ -755,7 +753,7 @@ groups:
set: true
remediation: "Note: This recommendation is applicable only for etcd clusters.
If you are using only one etcd server in your environment then this recommendation is
not applicable. Edit the etcd environment file (for example, $etcdConfDir/etcd.conf)
not applicable. Edit the etcd environment file (for example, $$etcdConf)
on the etcd server node and comment out the ETCD_PEER_AUTO_TLS parameter.
Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service)
and remove the startup parameter for --peer-auto-tls."
@ -763,12 +761,12 @@ groups:
- id: 1.5.7
text: "Ensure that the --wal-dir argument is set as appropriate (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--wal-dir"
set: true
remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node
remediation: "Edit the etcd environment file (for example, $$etcdConf) on the etcd server node
and set the ETCD_WAL_DIR parameter as appropriate. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for
--wal-dir and set it to \"${ETCD_WAL_DIR}\""
@ -776,7 +774,7 @@ groups:
- id: 1.5.8
text: "Ensure that the --max-wals argument is set to 0 (Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--max-wals"
@ -784,7 +782,7 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the etcd environment file (for example, $etcdConfDir/etcd.conf) on the etcd server node
remediation: "Edit the etcd environment file (for example, $$etcdConf) on the etcd server node
and set the ETCD_MAX_WALS parameter to 0. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter
for --max-wals and set it to \"${ETCD_MAX_WALS}\"."
@ -792,7 +790,7 @@ groups:
- id: 1.5.9
text: "Ensure that a unique Certificate Authority is used for etcd (Not Scored)"
audit: "ps -ef | grep etcd | grep -v grep"
audit: "ps -ef | grep $etcd | grep -v grep"
tests:
test_items:
- flag: "--trusted-ca-file"

76
cfg/node.yaml
View File

@ -9,7 +9,7 @@ groups:
checks:
- id: 2.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--allow-privileged"
@ -17,13 +17,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/config file on each node and set the KUBE_ALLOW_PRIV
remediation: "Edit the $kubeConfig file on each node and set the KUBE_ALLOW_PRIV
parameter to \"--allow-privileged=false\""
scored: true
- id: 2.1.2
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -31,13 +31,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/kubelet file on the master node and set the
remediation: "Edit the $kubeletConf file on the master node and set the
KUBELET_ARGS parameter to \"--anonymous-auth=false\""
scored: true
- id: 2.1.3
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -45,25 +45,25 @@ groups:
op: nothave
value: "AlwaysAllow"
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the
remediation: "Edit the $kubeletConf file on each node and set the
KUBELET_ARGS parameter to \"--authorization-mode=Webhook\""
scored: true
- id: 2.1.4
text: "Ensure that the --client-ca-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--client-ca-file"
set: true
remediation: "Follow the Kubernetes documentation and setup the TLS connection between
the apiserver and kubelets. Then, edit the $kubeConfDir/kubelet file on each node
the apiserver and kubelets. Then, edit the $kubeletConf file on each node
and set the KUBELET_ARGS parameter to \"--client-ca-file=<path/to/client-ca-file>\""
scored: true
- id: 2.1.5
text: "Ensure that the --read-only-port argument is set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--read-only-port"
@ -71,13 +71,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_ARGS
parameter to \"--read-only-port=0\""
scored: true
- id: 2.1.6
text: "Ensure that the --streaming-connection-idle-timeout argument is not set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--streaming-connection-idle-timeout"
@ -85,13 +85,13 @@ groups:
op: gt
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_ARGS
parameter to \"--streaming-connection-idle-timeout=<appropriate-timeout-value>\""
scored: true
- id: 2.1.7
text: "Ensure that the --protect-kernel-defaults argument is set to true (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--protect-kernel-defaults"
@ -99,13 +99,13 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_ARGS
parameter to \"--protect-kernel-defaults=true\""
scored: true
- id: 2.1.8
text: "Ensure that the --make-iptables-util-chains argument is set to true (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
bin_op: or
test_items:
@ -116,13 +116,13 @@ groups:
set: true
- flag: "--make-iptables-util-chains"
set: false
remediation: "Edit the $kubeConfDir/kubelet file on each node and remove the
remediation: "Edit the $kubeletConf file on each node and remove the
--make-iptables-util-chains argument from the KUBELET_ARGS parameter."
scored: true
- id: 2.1.9
text: "Ensure that the --keep-terminated-pod-volumes argument is set to false (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--keep-terminated-pod-volumes"
@ -130,24 +130,24 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_ARGS
parameter to \"--keep-terminated-pod-volumes=false\""
scored: true
- id: 2.1.10
text: "Ensure that the --hostname-override argument is not set (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--hostname-override"
set: false
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_HOSTNAME
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_HOSTNAME
parameter to \"\""
scored: true
- id: 2.1.11
text: "Ensure that the --event-qps argument is set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--event-qps"
@ -155,13 +155,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_ARGS
parameter to \"--event-qps=0\""
scored: true
- id: 2.1.12
text: "Ensure that the --tls-cert-file and --tls-private-key-file arguments are set as appropriate (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--tls-cert-file"
@ -169,14 +169,14 @@ groups:
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the Kubelet.
Then, edit the $kubeConfDir/kubelet file on the master node and set the KUBELET_ARGS
Then, edit the $kubeletConf file on the master node and set the KUBELET_ARGS
parameter to include \"--tls-cert-file=<path/to/tls-certificate-file>\" and
\"--tls-private-key-file=<path/to/tls-key-file>\""
scored: true
- id: 2.1.13
text: "Ensure that the --cadvisor-port argument is set to 0 (Scored)"
audit: "ps -ef | grep kubelet | grep -v grep"
audit: "ps -ef | grep $kubeletBin | grep -v grep"
tests:
test_items:
- flag: "--cadvisor-port"
@ -184,7 +184,7 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $kubeConfDir/kubelet file on each node and set the KUBELET_ARGS parameter
remediation: "Edit the $kubeletConf file on each node and set the KUBELET_ARGS parameter
to \"--cadvisor-port=0\""
scored: true
@ -193,66 +193,66 @@ groups:
checks:
- id: 2.2.1
text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %a $kubeConfDir/config; fi"
audit: "if test -e $kubeConfig; then stat -c %a $kubeConfig; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $kubeConfDir/config"
\nFor example, chmod 644 $kubeConfig"
scored: true
- id: 2.2.2
text: "Ensure that the config file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/config; then stat -c %U:%G $kubeConfDir/config; fi"
audit: "if test -e $kubeConfig; then stat -c %U:%G $kubeConfig; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chown root:root $kubeConfDir/config"
\nFor example, chown root:root $kubeConfig"
scored: true
- id: 2.2.3
text: "Ensure that the kubelet file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/kubelet; then stat -c %a $kubeConfDir/kubelet; fi"
audit: "if test -e $kubeletConf; then stat -c %a $kubeletConf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $kubeConfDir/kubelet"
\nFor example, chmod 644 $kubeletConf"
scored: true
- id: 2.2.4
text: "Ensure that the kubelet file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/kubelet; then stat -c %U:%G $kubeConfDir/kubelet; fi"
audit: "if test -e $kubeletConf; then stat -c %U:%G $kubeletConf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chown root:root $kubeConfDir/kubelet"
\nFor example, chown root:root $kubeletConf"
scored: true
- id: 2.2.5
text: "Ensure that the proxy file permissions are set to 644 or more restrictive (Scored)"
audit: "if test -e $kubeConfDir/proxy; then stat -c %a $kubeConfDir/proxy; fi"
audit: "if test -e $kubeProxyConf; then stat -c %a $kubeProxyConf; fi"
tests:
test_items:
- flag: "644"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $kubeConfDir/proxy"
\nFor example, chmod 644 $kubeProxyConf"
scored: true
- id: 2.2.6
text: "Ensure that the proxy file ownership is set to root:root (Scored)"
audit: "if test -e $kubeConfDir/proxy; then stat -c %U:%G $kubeConfDir/proxy; fi"
audit: "if test -e $kubeProxyConf; then stat -c %U:%G $kubeProxyConf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the each worker node.
\nFor example, chown root:root $kubeConfDir/proxy"
\nFor example, chown root:root $kubeProxyConf"
scored: true

4
check/check.go
View File

@ -96,7 +96,6 @@ func (c *Check) Run(verbose bool) {
cs := c.Commands
// Initialize command pipeline
// cs[0].Stderr = os.Stderr
cs[n-1].Stdout = &out
i := 1
@ -113,7 +112,6 @@ func (c *Check) Run(verbose bool) {
),
)
// cs[i].Stderr = os.Stderr
i++
}
@ -150,7 +148,7 @@ func (c *Check) Run(verbose bool) {
i++
}
if verbose {
if verbose && errmsgs != "" {
fmt.Fprintf(os.Stderr, "%s\n", errmsgs)
}

207
cmd/common.go
View File

@ -27,16 +27,13 @@ import (
)
var (
errmsgs string
errmsgs string
kubeMasterBin map[string]string
kubeMasterConf map[string]string
kubeMasterBin = []string{"kube-apiserver", "kube-scheduler", "kube-controller-manager"}
xMasterBin = []string{"etcd", "flanneld"}
kubeMasterConf = []string{}
kubeNodeBin = []string{"kubelet"}
kubeNodeConf = []string{}
kubeFederatedBin = []string{"federation-apiserver", "federation-controller-manager"}
kubeNodeBin map[string]string
kubeNodeConf map[string]string
kubeFederatedBin map[string]string
// TODO: Consider specifying this in config file.
kubeVersion = "1.6"
@ -64,6 +61,121 @@ func runChecks(t check.NodeType) {
var summary check.Summary
var file string
// Set up binary and configuration.
switch installation {
default:
fallthrough
case "kops":
// Master
kubeMasterBin = map[string]string{
"apiserver": "apiserver",
"scheduler": "scheduler",
"controller-manager": "controller-manager",
"etcd": "etcd",
"flanneld": "flanneld",
}
kubeMasterConf = map[string]string{
"apiserver": "/etc/kubernetes/apiserver",
"scheduler": "/etc/kubernetes/scheduler",
"controller-manager": "/etc/kubernetes/controller-manager",
"config": "/etc/kubernetes/config",
"etcd": "/etc/etcd/etcd.conf",
"flanneld": "/etc/sysconfig/flanneld",
}
// Node
kubeNodeBin = map[string]string{
"kubelet": "kubelet",
"proxy": "proxy",
}
kubeNodeConf = map[string]string{
"kubelet": "/etc/kubernetes/kubelet",
"proxy": "/etc/kubernetes/proxy",
}
// Federated
kubeFederatedBin = map[string]string{
"apiserver": "federation-apiserver",
"controller-manager": "federation-controller-manager",
}
case "hyperkube":
// Master
kubeMasterBin = map[string]string{
"apiserver": "hyperkube apiserver",
"scheduler": "hyperkube scheduler",
"controller-manager": "hyperkube controller-manager",
"etcd": "etcd",
"flanneld": "flanneld",
}
kubeMasterConf = map[string]string{
"apiserver": "/etc/kubernetes/apiserver",
"scheduler": "/etc/kubernetes/scheduler",
"controller-manager": "/etc/kubernetes/controller-manager",
"config": "/etc/kubernetes/config",
"etcd": "/etc/etcd/etcd.conf",
"flanneld": "/etc/sysconfig/flanneld",
}
// Node
kubeNodeBin = map[string]string{
"kubelet": "hyperkube kubelet",
"proxy": "hyperkube kube-proxy",
}
kubeNodeConf = map[string]string{
"kubelet": "/etc/kubernetes/kubelet",
"proxy": "/etc/kubernetes/proxy",
}
// Federated
kubeFederatedBin = map[string]string{
"apiserver": "federation-apiserver",
"controller-manager": "federation-controller-manager",
}
case "kubeadm":
// TODO: Complete config and binary file list for kubeadm.
// Master
kubeMasterBin = map[string]string{
"apiserver": "hyperkube",
"scheduler": "hyperkube",
"controller-manager": "hyperkube",
"etcd": "etcd",
"flanneld": "flanneld",
}
kubeMasterConf = map[string]string{
"apiserver": "/etc/kubernetes/admin.conf",
"scheduler": "/etc/kubernetes/scheduler.conf",
"controller-manager": "/etc/kubernetes/controller-manager.conf",
"config": "/etc/kubernetes/config",
"etcd": "/etc/etcd/etcd.conf",
"flanneld": "/etc/sysconfig/flanneld",
}
// Node
kubeNodeBin = map[string]string{
"kubelet": "hyperkube",
"proxy": "hyperkube",
}
kubeNodeConf = map[string]string{
"kubelet": "/etc/kubernetes/kubelet.conf",
"proxy": "/etc/kubernetes/proxy.conf",
}
// Federated
kubeFederatedBin = map[string]string{
"apiserver": "federation-apiserver",
"controller-manager": "federation-controller-manager",
}
}
// Run kubernetes installation validation checks.
warns := verifyNodeType(t)
switch t {
@ -82,9 +194,31 @@ func runChecks(t check.NodeType) {
}
// Variable substitutions. Replace all occurrences of variables in controls file.
s := strings.Replace(string(in), "$kubeConfDir", viper.Get("kubeConfDir").(string), -1)
s = strings.Replace(s, "$etcdConfDir", viper.Get("etcdConfDir").(string), -1)
s = strings.Replace(s, "$flanneldConfDir", viper.Get("flanneldConfDir").(string), -1)
// Master
s := strings.Replace(string(in), "$kubeApiserver", kubeMasterBin["apiserver"], -1)
s = strings.Replace(s, "$apiserverConf", kubeMasterConf["apiserver"], -1)
s = strings.Replace(s, "$kubeScheduler", kubeMasterBin["scheduler"], -1)
s = strings.Replace(s, "$schedulerConf", kubeMasterConf["scheduler"], -1)
s = strings.Replace(s, "$kubeControllerManager", kubeMasterBin["controller-manager"], -1)
s = strings.Replace(s, "$controllerManagerConf", kubeMasterConf["controller-manager"], -1)
s = strings.Replace(s, "$etcd", kubeMasterBin["etcd"], -1)
s = strings.Replace(s, "$flanneld", kubeMasterBin["flanneld"], -1)
s = strings.Replace(s, "$kubeConfig", kubeMasterConf["config"], -1)
s = strings.Replace(s, "$etcdConf", kubeMasterConf["etcd"], -1)
s = strings.Replace(s, "$flanneldConf", kubeMasterConf["flanneld"], -1)
// Node
s = strings.Replace(s, "$kubeletBin", kubeNodeBin["kubelet"], -1)
s = strings.Replace(s, "$kubeletConf", kubeNodeConf["kubelet"], -1)
s = strings.Replace(s, "$kubeProxyConf", kubeNodeConf["proxy"], -1)
// Federated
s = strings.Replace(s, "$federationApiserver", kubeFederatedBin["apiserver"], -1)
s = strings.Replace(s, "$federationControllerManager", kubeFederatedBin["controller-manager"], -1)
controls, err := check.NewControls(t, []byte(s))
if err != nil {
@ -95,15 +229,12 @@ func runChecks(t check.NodeType) {
if groupList != "" && checkList == "" {
ids := cleanIDs(groupList)
summary = controls.RunGroup(verbose, ids...)
} else if checkList != "" && groupList == "" {
ids := cleanIDs(checkList)
summary = controls.RunChecks(verbose, ids...)
} else if checkList != "" && groupList != "" {
fmt.Fprintf(os.Stderr, "group option and check option can't be used together\n")
os.Exit(1)
} else {
summary = controls.RunGroup(verbose)
}
@ -141,34 +272,20 @@ func verifyNodeType(t check.NodeType) []string {
// Always clear out error messages.
errmsgs = ""
// Set up and check for config files.
kubeConfDir = viper.Get("kubeConfDir").(string)
etcdConfDir = viper.Get("etcdConfDir").(string)
flanneldConfDir = viper.Get("flanneldConfDir").(string)
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/apiserver")
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/scheduler")
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/controller-manager")
kubeMasterConf = append(kubeMasterConf, kubeConfDir+"/config")
kubeMasterConf = append(kubeMasterConf, etcdConfDir+"/etcd.conf")
kubeMasterConf = append(kubeMasterConf, flanneldConfDir+"/flanneld")
kubeNodeConf = append(kubeNodeConf, kubeConfDir+"/kubelet")
kubeNodeConf = append(kubeNodeConf, kubeConfDir+"/proxy")
switch t {
case check.MASTER:
w = append(w, verifyBin(kubeMasterBin)...)
w = append(w, verifyBin(xMasterBin)...)
w = append(w, verifyConf(kubeMasterConf)...)
w = append(w, verifyKubeVersion(kubeMasterBin[0])...)
w = append(w, verifyBin(values(kubeMasterBin))...)
w = append(w, verifyConf(values(kubeMasterConf))...)
w = append(w, verifyKubeVersion(kubeMasterBin["apiserver"])...)
case check.NODE:
w = append(w, verifyBin(kubeNodeBin)...)
w = append(w, verifyConf(kubeNodeConf)...)
w = append(w, verifyKubeVersion(kubeNodeBin[0])...)
case check.FEDERATED:
w = append(w, verifyBin(kubeFederatedBin)...)
w = append(w, verifyKubeVersion(kubeFederatedBin[0])...)
w = append(w, verifyBin(values(kubeNodeBin))...)
w = append(w, verifyConf(values(kubeNodeConf))...)
w = append(w, verifyKubeVersion(kubeNodeBin["kubelet"])...)
/*
case check.FEDERATED:
w = append(w, verifyBin(kubeFederatedBin)...)
w = append(w, verifyKubeVersion(kubeFederatedBin[0])...)
*/
}
if verbose {
@ -282,7 +399,7 @@ func verifyKubeVersion(b string) []string {
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("verifyKubeVersion: failed"),
fmt.Sprintf("verifyKubeVersion: failed\nCommand:%s", cmd.Args),
)
matched := strings.Contains(string(out), kubeVersion)
@ -292,3 +409,11 @@ func verifyKubeVersion(b string) []string {
return w
}
// values returns the values in a string map.
func values(m map[string]string) (vals []string) {
for _, v := range m {
vals = append(vals, v)
}
return
}

15
cmd/root.go
View File

@ -38,7 +38,8 @@ var (
etcdConfDir string
flanneldConfDir string
verbose bool
verbose bool
installation string
)
// RootCmd represents the base command when called without any subcommands
@ -61,13 +62,21 @@ func init() {
cobra.OnInitialize(initConfig)
RootCmd.PersistentFlags().BoolVar(&jsonFmt, "json", false, "Prints the results as JSON")
RootCmd.PersistentFlags().StringVarP(&checkList,
RootCmd.PersistentFlags().StringVar(
&installation,
"installation",
"default",
"Specify how kubernetes cluster was installed. Possible values are default,hyperkube,kops,kubeadm",
)
RootCmd.PersistentFlags().StringVarP(
&checkList,
"check",
"c",
"",
`A comma-delimited list of checks to run as specified in CIS document. Example --check="1.1.1,1.1.2"`,
)
RootCmd.PersistentFlags().StringVarP(&groupList,
RootCmd.PersistentFlags().StringVarP(
&groupList,
"group",
"g",
"",