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Code Issues Releases Wiki Activity

Add initial support for multiple versions of kubernetes.

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This commit is contained in:
Abubakr-Sadik Nii Nai Davis 2017-08-29 15:50:09 +00:00
parent 89e9d37cde
commit 60982e0081
14 changed files with 1620 additions and 120 deletions
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1
cfg/federated.yaml → cfg/1.6/federated.yaml
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@ -1,5 +1,6 @@
---
controls:
version: 1.6
id: 3
text: "Federated Deployments"
type: "federated"

966
cfg/1.6/master.yaml Normal file
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@ -0,0 +1,966 @@
---
controls:
version: 1.6
id: 1
text: "Master Node Security Configuration"
type: "master"
groups:
- id: 1.1
text: "API Server"
checks:
- id: 1.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "allow-privileged"
compare:
op: eq
value: false
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
compare:
op: eq
value: false
set: true
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 $apiserverbin | 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 $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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-allow-any-token"
set: false
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 $apiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--kubelet-https"
compare:
op: eq
value: true
set: true
- flag: "--kubelet-https"
set: false
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-bind-address"
set: false
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
compare:
op: eq
value: 0
set: true
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 $apiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--secure-port"
compare:
op: gt
value: 0
set: true
- flag: "--secure-port"
set: false
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
compare:
op: eq
value: false
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--repair-malformed-updates"
compare:
op: eq
value: false
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: nothave
value: AlwaysAdmit
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: has
value: "AlwaysPullImages"
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: has
value: "DenyEscalatingExec"
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: has
value: "SecurityContextDeny"
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "admission-control"
compare:
op: has
value: "NamespaceLifecycle"
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-path"
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
compare:
op: gte
value: 30
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
compare:
op: gte
value: 10
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
compare:
op: gte
value: 100
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
compare:
op: nothave
value: "AlwaysAllow"
set: true
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 $apiserverbin | 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 $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 $apiserverbin | 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 $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-client-key arguments are set as appropriate (Scored)"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
- flag: "--kubelet-client-certificate"
set: true
- 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 $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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
compare:
op: eq
value: true
set: true
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: has
value: "PodSecurityPolicy"
set: true
remediation: "Follow the documentation and create Pod Security Policy objects as per your environment.
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-key-file"
set: true
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 $apiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
- flag: "--etcd-certfile"
set: true
- flag: "--etcd-keyfile"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the apiserver
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 $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: has
value: "ServiceAccount"
set: true
remediation: "Follow the documentation and create ServiceAccount objects as per your environment.
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 $apiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
- flag: "--tls-cert-file"
set: true
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the apiserver.
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 $apiserverbin | 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 $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 $apiserverbin | 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 $apiserverconf file on the master node and set the
KUBE_API_ARGS parameter to include \"--etcd-cafile=<path/to/ca-file>\""
scored: true
- id: 1.2
text: "Scheduler"
checks:
- id: 1.2.1
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep $schedulerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
compare:
op: eq
value: false
set: true
remediation: "Edit the $schedulerconf file on the master node and set the KUBE_SCHEDULER_ARGS
parameter to \"--profiling=false\""
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: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--terminated-pod-gc-threshold"
set: true
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 $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
compare:
op: eq
value: false
set: true
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 $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-experimental-approve-all-kubelet-csrs-for-group"
set: false
remediation: "Edit the /etc/kubernetes/controller-manager 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 $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--use-service-account-credentials"
compare:
op: eq
value: true
set: true
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 $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-private-key-file"
set: true
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 $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--root-ca-file"
set: true
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
- id: 1.4
text: "Configure Files"
checks:
- id: 1.4.1
text: "Ensure that the apiserver file permissions are set to 644 or more restrictive (Scored)"
# audit: "/bin/bash -c 'if test -e $apiserverconf; then stat -c %a $apiserverconf; fi'"
audit: "/bin/sh -c 'if test -e $apiserverconf; then stat -c %a $apiserverconf; fi'"
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 (based on the file location on your system) on the master node.
\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: "/bin/sh -c 'if test -e $apiserverconf; then stat -c %U:%G $apiserverconf; fi'"
tests:
test_items:
- flag: "root:root"
compare:
op: eq
value: "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 $apiserverconf"
scored: true
- id: 1.4.3
text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $config; then stat -c %a $config; fi'"
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 (based on the file location on your system) on the master node.
\nFor example, chmod 644 $config"
scored: true
- id: 1.4.4
text: "Ensure that the config file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $config; then stat -c %U:%G $config; fi'"
tests:
test_items:
- flag: "root:root"
compare:
op: eq
value: "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 $config"
scored: true
- id: 1.4.5
text: "Ensure that the scheduler file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $schedulerconf; then stat -c %a $schedulerconf; fi'"
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 (based on the file location on your system) on the master node.
\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: "/bin/sh -c 'if test -e $schedulerconf; then stat -c %U:%G $schedulerconf; fi'"
tests:
test_items:
- flag: "root:root"
compare:
op: eq
value: "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 $schedulerconf"
scored: true
- id: 1.4.7
text: "Ensure that the etcd.conf file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $etcdconf; then stat -c %a $etcdconf; fi'"
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 (based on the file location on your system) on the master node.
\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: "/bin/sh -c 'if test -e $etcdconf; then stat -c %U:%G $etcdconf; fi'"
tests:
test_items:
- flag: "root:root"
compare:
op: eq
value: "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 $etcdconf"
scored: true
- id: 1.4.9
text: "Ensure that the flanneld file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $flanneldconf; then stat -c %a $flanneldconf; fi'"
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 (based on the file location on your system) on the master node.
\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: "/bin/sh -c 'if test -e $flanneldconf; then stat -c %U:%G $flanneldconf; fi'"
tests:
test_items:
- flag: "root:root"
compare:
op: eq
value: "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 $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 $etcdbin | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
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:\n
ps -ef | grep $etcdbin\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
- id: 1.4.12
text: "Ensure that the etcd data directory ownership is set to etcd:etcd (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %U:%G"
tests:
test_items:
- flag: "etcd:etcd"
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
Run the below command (based on the etcd data directory found above). For example,\n
chown etcd:etcd /var/lib/etcd/default.etcd"
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: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--cert-file"
set: true
- flag: "--key-file"
set: true
remediation: "Follow the etcd service documentation and configure TLS encryption."
scored: true
- id: 1.5.2
text: "Ensure that the --client-cert-auth argument is set to true (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--client-cert-auth"
compare:
op: eq
value: true
set: true
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}\""
scored: true
- id: 1.5.3
text: "Ensure that the --auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--auto-tls"
set: false
- flag: "--auto-tls"
compare:
op: neq
value: true
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."
scored: true
- 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 $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--peer-cert-file"
set: true
- flag: "--peer-key-file"
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.
Follow the etcd service documentation and configure peer TLS encryption as appropriate for
your etcd cluster."
scored: true
- id: 1.5.5
text: "Ensure that the --peer-client-cert-auth argument is set to true (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--peer-client-cert-auth"
compare:
op: eq
value: true
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, $etcdconf) on the etcd server node
and set the ETCD_PEER_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file
(for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the
startup parameter for --peer-client-cert-auth and set it to \"${ETCD_PEER_CLIENT_CERT_AUTH}\""
scored: true
- id: 1.5.6
text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--peer-auto-tls"
set: false
- flag: "--peer-auto-tls"
compare:
op: eq
value: false
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, $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."
scored: true
- id: 1.5.7
text: "Ensure that the --wal-dir argument is set as appropriate (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--wal-dir"
set: true
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}\""
scored: true
- id: 1.5.8
text: "Ensure that the --max-wals argument is set to 0 (Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--max-wals"
compare:
op: eq
value: 0
set: true
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}\"."
scored: true
- id: 1.5.9
text: "Ensure that a unique Certificate Authority is used for etcd (Not Scored)"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--trusted-ca-file"
set: true
remediation: "Follow the etcd documentation and create a dedicated certificate authority setup for the
etcd service."
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: "Remove any unneeded clusterrolebindings: kubectl delete clusterrolebinding [name]"
scored: false
- id: 1.6.2
text: "Create Pod Security Policies for your cluster (Not Scored)"
type: "manual"
remediation: "Follow the documentation and create and enforce Pod Security Policies for your cluster.
Additionally, you could refer the \"CIS Security Benchmark for Docker\" and follow the
suggested Pod Security Policies for your environment."
scored: false
- id: 1.6.3
text: "Create administrative boundaries between resources using namespaces (Not Scored)"
type: "manual"
remediation: "Follow the documentation and create namespaces for objects in your deployment as you
need them."
scored: false
- id: 1.6.4
text: "Create network segmentation using Network Policies (Not Scored)"
type: "manual"
remediation: "Follow the documentation and create NetworkPolicy objects as you need them."
scored: false
- id: 1.6.5
text: "Avoid using Kubernetes Secrets (Not Scored)"
type: "manual"
remediation: "Use other mechanisms such as vaults to manage your cluster secrets."
scored: false
- id: 1.6.6
text: "Ensure that the seccomp profile is set to docker/default in your pod definitions (Not Scored)"
type: "manual"
remediation: "Seccomp is an alpha feature currently. By default, all alpha features are disabled. So, you
would need to enable alpha features in the apiserver by passing \"--feature-
gates=AllAlpha=true\" argument.\n
Edit the $apiserverconf file on the master node and set the KUBE_API_ARGS
parameter to \"--feature-gates=AllAlpha=true\"
KUBE_API_ARGS=\"--feature-gates=AllAlpha=true\""
scored: false
- id: 1.6.7
text: "Apply Security Context to Your Pods and Containers (Not Scored)"
type: "manual"
remediation: "Follow the Kubernetes documentation and apply security contexts to your pods. For a
suggested list of security contexts, you may refer to the CIS Security Benchmark for Docker
Containers."
scored: false
- id: 1.6.8
text: "Configure Image Provenance using ImagePolicyWebhook admission controller (Not Scored)"
type: "manual"
remediation: "Follow the Kubernetes documentation and setup image provenance."
scored: false

304
cfg/1.6/node.yaml Normal file
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---
controls:
version: 1.6
id: 2
text: "Worker Node Security Configuration"
type: "node"
groups:
- id: 2.1
text: "Kubelet"
checks:
- id: 2.1.1
text: "Ensure that the --allow-privileged argument is set to false (Scored)"
audit: "ps -ef | grep $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--allow-privileged"
compare:
op: eq
value: false
set: true
remediation: "Edit the $config 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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
compare:
op: eq
value: false
set: true
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
compare:
op: nothave
value: "AlwaysAllow"
set: true
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 $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 $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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--read-only-port"
compare:
op: eq
value: 0
set: true
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--streaming-connection-idle-timeout"
compare:
op: gt
value: 0
set: true
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--protect-kernel-defaults"
compare:
op: eq
value: true
set: true
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 $kubeletbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--make-iptables-util-chains"
compare:
op: eq
value: true
set: true
- flag: "--make-iptables-util-chains"
set: false
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--keep-terminated-pod-volumes"
compare:
op: eq
value: false
set: true
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--hostname-override"
set: false
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--event-qps"
compare:
op: eq
value: 0
set: true
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--tls-cert-file"
set: true
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the Kubelet.
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 $kubeletbin | grep -v grep"
tests:
test_items:
- flag: "--cadvisor-port"
compare:
op: eq
value: 0
set: true
remediation: "Edit the $kubeletconf file on each node and set the KUBELET_ARGS parameter
to \"--cadvisor-port=0\""
scored: true
- id: 2.2
text: "Configuration Files"
checks:
- id: 2.2.1
text: "Ensure that the config file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $config; then stat -c %a $config; fi'"
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 (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $config"
scored: true
- id: 2.2.2
text: "Ensure that the config file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $config; then stat -c %U:%G $config; fi'"
tests:
test_items:
- flag: "root:root"
compare:
op: eq
value: 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 $config"
scored: true
- id: 2.2.3
text: "Ensure that the kubelet file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $kubeletconf; then stat -c %a $kubeletconf; fi'"
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 (based on the file location on your system) on the each worker node.
\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: "/bin/sh -c '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 $kubeletconf"
scored: true
- id: 2.2.5
text: "Ensure that the proxy file permissions are set to 644 or more restrictive (Scored)"
audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %a $proxyconf; fi'"
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 (based on the file location on your system) on the each worker node.
\nFor example, chmod 644 $proxyconf"
scored: true
- id: 2.2.6
text: "Ensure that the proxy file ownership is set to root:root (Scored)"
audit: "/bin/sh -c 'if test -e $proxyconf; then stat -c %U:%G $proxyconf; 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 $proxyconf"
scored: true

285
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---
controls:
version: 1.7
id: 3
text: "Federated Deployments"
type: "federated"
groups:
- id: 3.1
text: "Federation API Server"
checks:
- id: 3.1.1
text: "Ensure that the --anonymous-auth argument is set to false (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
compare:
op: eq
value: false
set: true
remediation: "Edit the deployment specs and set --anonymous-auth=false.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.2
text: "Ensure that the --basic-auth-file argument is not set (Scored)"
audit: "ps -ef | grep $fedapiserverbin | 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 deployment specs and remove \"--basic-auth-file=<filename>\".\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.3
text: "Ensure that the --insecure-allow-any-token argument is not set (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-allow-any-token"
set: false
remediation: "Edit the deployment specs and remove --insecure-allow-any-token.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.4
text: "Ensure that the --insecure-bind-address argument is not set (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-bind-address"
set: false
remediation: "Edit the deployment specs and remove --insecure-bind-address.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.5
text: "Ensure that the --insecure-port argument is set to 0 (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
compare:
op: eq
value: 0
set: true
remediation: "Edit the deployment specs and set --insecure-port=0.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.6
text: "Ensure that the --secure-port argument is not set to 0 (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
- flag: "--secure-port"
compare:
op: gt
value: 0
set: true
- flag: "--secure-port"
set: false
remediation: "Edit the deployment specs and set the --secure-port argument to the desired port.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.7
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
compare:
op: eq
value: false
set: true
remediation: "Edit the deployment specs and set \"--profiling=false\".\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
score: true
- id: 3.1.8
text: "Ensure that the admission control policy is not set to AlwaysAdmit (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
compare:
op: nothave
value: AlwaysAdmit
set: true
remediation: "Edit the deployment specs and set --admission-control argument to a value that does
not include AlwaysAdmit.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.9
text: "Ensure that the admission control policy is set to NamespaceLifecycle (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "admission-control"
compare:
op: has
value: "NamespaceLifecycle"
set: true
remediation: "Edit the deployment specs and set --admission-control argument to a value that includes NamespaceLifecycle.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.10
text: "Ensure that the --audit-log-path argument is set as appropriate (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-path"
set: true
remediation: "Edit the deployment specs and set --audit-log-path argument as appropriate.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.11
text: "Ensure that the --audit-log-maxage argument is set to 30 or as appropriate (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
compare:
op: gte
value: 30
set: true
remediation: "Edit the deployment specs and set --audit-log-maxage to 30 or as appropriate.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.12
text: "Ensure that the --audit-log-maxbackup argument is set to 10 or as appropriate (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
compare:
op: gte
value: 10
set: true
remediation: "Edit the deployment specs and set --audit-log-maxbackup to 10 or as appropriate.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.13
text: "Ensure that the --audit-log-maxsize argument is set to 100 or as appropriate (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
compare:
op: gte
value: 100
set: true
remediation: "Edit the deployment specs and set --audit-log-maxsize=100 to 100 or as appropriate.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.14
text: "Ensure that the --authorization-mode argument is not set to AlwaysAllow (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
compare:
op: nothave
value: "AlwaysAllow"
set: true
remediation: "Edit the deployment specs and set --authorization-mode argument to a value other than AlwaysAllow.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.15
text: "Ensure that the --token-auth-file parameter is not set (Scored)"
audit: "ps -ef | grep $fedapiserverbin | 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 deployment specs and remove the --token-auth-file=<filename> argument.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.16
text: "Ensure that the --service-account-lookup argument is set to true (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
compare:
op: eq
value: true
set: true
remediation: "Edit the deployment specs and set \"--service-account-lookup=true\".\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.17
text: "Ensure that the --service-account-key-file argument is set as appropriate (Scored)"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-key-file"
set: true
remediation: "Edit the deployment specs and set --service-account-key-file argument as appropriate.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.1.18
text: "Ensure that the --etcd-certfile and --etcd-keyfile arguments are set as appropriate (Scored"
audit: "ps -ef | grep $fedapiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
- flag: "--etcd-certfile"
set: true
- flag: "--etcd-keyfile"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection between the
federation apiserver and etcd. Then, edit the deployment specs and set \"--etcd-
certfile=<path/to/client-certificate-file>\" and \"--etcd-
keyfile=<path/to/client-key-file>\" arguments.\n
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- 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 $fedapiserverbin | grep -v grep"
tests:
bin_op: and
test_items:
- flag: "--tls-cert-file"
set: true
- flag: "--tls-private-key-file"
set: true
remediation: "Follow the Kubernetes documentation and set up the TLS connection on the federation
apiserver. Then, edit the deployment specs and set \"--tls-cert-file=<path/to/tls-
certificate-file>\" and \"--tls-private-key-file=<path/to/tls-key-file>\" :
kubectl edit deployments federation-apiserver-deployment --namespace=federation-system"
scored: true
- id: 3.2
text: "Federation Controller Manager"
checks:
- id: 3.2.1
text: "Ensure that the --profiling argument is set to false (Scored)"
audit: "ps -ef | grep $fedcontrollermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
compare:
op: eq
value: false
set: true
remediation: "Edit the deployment specs and set \"--profiling=false\".\n
kubectl edit deployments federation-controller-manager-deployment --namespace=federation-system"
scored: true

3
cfg/master.yaml → cfg/1.7/master.yaml
View File

@ -1,5 +1,6 @@
---
controls:
version: 1.7
id: 1
text: "Master Node Security Configuration"
type: "master"
@ -310,7 +311,7 @@ groups:
scored: true
- id: 1.1.23
text: "Ensure that the --kubelet-client-certificate and --kubelet-clientkey arguments are set as appropriate (Scored)"
text: "Ensure that the --kubelet-client-certificate and --kubelet-client-key arguments are set as appropriate (Scored)"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: and

1
cfg/node.yaml → cfg/1.7/node.yaml
View File

@ -1,5 +1,6 @@
---
controls:
version: 1.7
id: 2
text: "Worker Node Security Configuration"
type: "node"

1
check/controls.go
View File

@ -24,6 +24,7 @@ import (
// Controls holds all controls to check for master nodes.
type Controls struct {
ID string `yaml:"id"`
Version string
Text string
Type NodeType
Groups []*Group

14
check/controls_test.go
View File

@ -11,13 +11,20 @@ const cfgDir = "../cfg/"
// validate that the files we're shipping are valid YAML
func TestYamlFiles(t *testing.T) {
files, err := ioutil.ReadDir(cfgDir)
dirs := []string{"1.6/", "1.7/"}
for _, dir := range dirs {
dir = cfgDir + dir
files, err := ioutil.ReadDir(dir)
if err != nil {
t.Fatalf("error reading %s directory: %v", cfgDir, err)
t.Fatalf("error reading %s directory: %v", dir, err)
}
for _, file := range files {
fileName := file.Name()
in, err := ioutil.ReadFile(cfgDir + fileName)
in, err := ioutil.ReadFile(dir + fileName)
if err != nil {
t.Fatalf("error opening file %s: %v", fileName, err)
}
@ -30,3 +37,4 @@ func TestYamlFiles(t *testing.T) {
}
}
}
}

5
cmd/common.go
View File

@ -78,7 +78,6 @@ func runChecks(t check.NodeType) {
fedControllerManagerBin = viper.GetString("installation." + installation + ".federated.bin.controller-manager")
// Run kubernetes installation validation checks.
verifyKubeVersion(kubeMajorVersion, kubeMinorVersion)
verifyNodeType(t)
switch t {
@ -90,7 +89,9 @@ func runChecks(t check.NodeType) {
file = federatedFile
}
in, err := ioutil.ReadFile(file)
ver := getKubeVersion()
path := fmt.Sprintf("%s/%s/%s", cfgDir, ver.Server, file)
in, err := ioutil.ReadFile(path)
if err != nil {
exitWithError(fmt.Errorf("error opening %s controls file: %v", t, err))
}

2
cmd/federated.go
View File

@ -33,7 +33,7 @@ func init() {
federatedCmd.PersistentFlags().StringVarP(&federatedFile,
"file",
"f",
cfgDir+"/federated.yaml",
"/federated.yaml",
"Alternative YAML file for federated checks",
)

2
cmd/master.go
View File

@ -33,7 +33,7 @@ func init() {
masterCmd.PersistentFlags().StringVarP(&masterFile,
"file",
"f",
cfgDir+"/master.yaml",
"/master.yaml",
"Alternative YAML file for master checks",
)

2
cmd/node.go
View File

@ -33,7 +33,7 @@ func init() {
nodeCmd.PersistentFlags().StringVarP(&nodeFile,
"file",
"f",
cfgDir+"/node.yaml",
"/node.yaml",
"Alternative YAML file for node checks",
)

64
cmd/util.go
View File

@ -90,65 +90,39 @@ func verifyBin(bin string, psFunc func(string) string) bool {
return strings.Contains(out, bin)
}
func verifyKubeVersion(major string, minor string) {
// These executables might not be on the user's path.
type version struct {
Server string
Client string
}
func getKubeVersion() *version {
ver := new(version)
// These executables might not be on the user's path.
_, err := exec.LookPath("kubectl")
if err != nil {
continueWithError(err, sprintlnWarn("Kubernetes version check skipped"))
return
s := fmt.Sprintf("Kubernetes version check skipped with error %v", err)
continueWithError(err, sprintlnWarn(s))
return nil
}
cmd := exec.Command("kubectl", "version")
out, err := cmd.Output()
if err != nil {
s := fmt.Sprintf("Kubernetes version check skipped with error %v", err)
s := fmt.Sprintf("Kubernetes version check skipped, with error getting kubectl version")
continueWithError(err, sprintlnWarn(s))
if len(out) == 0 {
return
}
return nil
}
msg := checkVersion("Client", string(out), major, minor)
if msg != "" {
continueWithError(fmt.Errorf(msg), msg)
}
clientVerRe := regexp.MustCompile(`Client.*Major:"(\d+)".*Minor:"(\d+)"`)
svrVerRe := regexp.MustCompile(`Server.*Major:"(\d+)".*Minor:"(\d+)"`)
msg = checkVersion("Server", string(out), major, minor)
if msg != "" {
continueWithError(fmt.Errorf(msg), msg)
}
}
sub := clientVerRe.FindStringSubmatch(string(out))
ver.Client = sub[1] + "." + sub[2]
var regexVersionMajor = regexp.MustCompile("Major:\"([0-9]+)\"")
var regexVersionMinor = regexp.MustCompile("Minor:\"([0-9]+)\"")
sub = svrVerRe.FindStringSubmatch(string(out))
ver.Server = sub[1] + "." + sub[2]
func checkVersion(x string, s string, expMajor string, expMinor string) string {
regexVersion, err := regexp.Compile(x + " Version: version.Info{(.*)}")
if err != nil {
return fmt.Sprintf("Error checking Kubernetes version: %v", err)
}
ss := regexVersion.FindString(s)
major := versionMatch(regexVersionMajor, ss)
minor := versionMatch(regexVersionMinor, ss)
if major == "" || minor == "" {
return fmt.Sprintf("Couldn't find %s version from kubectl output '%s'", x, s)
}
if major != expMajor || minor != expMinor {
return fmt.Sprintf("Unexpected %s version %s.%s", x, major, minor)
}
return ""
}
func versionMatch(r *regexp.Regexp, s string) string {
match := r.FindStringSubmatch(s)
if len(match) < 2 {
return ""
}
return match[1]
return ver
}
func multiWordReplace(s string, subname string, sub string) string {

60
cmd/util_test.go
View File

@ -20,60 +20,18 @@ import (
"testing"
)
func TestCheckVersion(t *testing.T) {
kubeoutput := `Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-06-30T09:51:01Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-07-26T00:12:31Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}`
cases := []struct {
t string
s string
major string
minor string
exp string
}{
{t: "Client", s: kubeoutput, major: "1", minor: "7"},
{t: "Server", s: kubeoutput, major: "1", minor: "7"},
{t: "Client", s: kubeoutput, major: "1", minor: "6", exp: "Unexpected Client version 1.7"},
{t: "Client", s: kubeoutput, major: "2", minor: "0", exp: "Unexpected Client version 1.7"},
{t: "Server", s: "something unexpected", major: "2", minor: "0", exp: "Couldn't find Server version from kubectl output 'something unexpected'"},
func TestGetKubeVersion(t *testing.T) {
ver := getKubeVersion()
if ver == nil {
t.Log("Expected non nil version info.")
} else {
if ok, err := regexp.MatchString(`\d+.\d+`, ver.Client); !ok && err != nil {
t.Logf("Expected:%v got %v\n", "n.m", ver.Client)
}
for id, c := range cases {
t.Run(strconv.Itoa(id), func(t *testing.T) {
m := checkVersion(c.t, c.s, c.major, c.minor)
if m != c.exp {
t.Fatalf("Got: %s, expected: %s", m, c.exp)
if ok, err := regexp.MatchString(`\d+.\d+`, ver.Server); !ok && err != nil {
t.Logf("Expected:%v got %v\n", "n.m", ver.Server)
}
})
}
}
func TestVersionMatch(t *testing.T) {
minor := regexVersionMinor
major := regexVersionMajor
client := `Client Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-06-30T09:51:01Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"darwin/amd64"}`
server := `Server Version: version.Info{Major:"1", Minor:"7", GitVersion:"v1.7.0", GitCommit:"d3ada0119e776222f11ec7945e6d860061339aad", GitTreeState:"clean", BuildDate:"2017-07-26T00:12:31Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}`
cases := []struct {
r *regexp.Regexp
s string
exp string
}{
{r: major, s: server, exp: "1"},
{r: minor, s: server, exp: "7"},
{r: major, s: client, exp: "1"},
{r: minor, s: client, exp: "7"},
{r: major, s: "Some unexpected string"},
{r: minor}, // Checking that we don't fall over if the string is empty
}
for id, c := range cases {
t.Run(strconv.Itoa(id), func(t *testing.T) {
m := versionMatch(c.r, c.s)
if m != c.exp {
t.Fatalf("Got %s expected %s", m, c.exp)
}
})
}
}