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

Move kubernetes binaries and config paths to kube-bench config.

Browse Source
This commit is contained in:
Abubakr-Sadik Nii Nai Davis 2017-07-13 00:24:09 +00:00
parent 2ee99eca64
commit 609c4ff01c
7 changed files with 442 additions and 438 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

111
cfg/config.yaml
View File

@ -7,11 +7,106 @@
# nodeControls: ./cfg/node.yaml
# federatedControls: ./cfg/federated.yaml
## Configuration Directories.
# Specifies the directories to look for configuration files
# for the kubernetes components.
#
## Uncomment to use different paths.
# kubeConfDir: /etc/kubernetes
# etcdConfDir: /etc/etcd
# flanneldConfDir: /etc/sysconfig
## Support components
etcd:
bin: etcd
conf: /etc/etcd/etcd.conf
flanneld:
bin: flanneld
conf: /etc/sysconfig/flanneld
# Installation
# Configure kubernetes component binaries and paths to their configuration files.
installation:
default:
config: /etc/kubernetes/config
master:
bin:
apiserver: apiserver
scheduler: scheduler
controller-manager: controller-manager
conf:
apiserver: /etc/kubernetes/apiserver
scheduler: /etc/kubernetes/scheduler
controller-manager: /etc/kubernetes/apiserver
node:
bin:
kubelet: kubelet
proxy: proxy
conf:
kubelet: /etc/kubernetes/kubelet
proxy: /etc/kubernetes/proxy
federated:
bin:
apiserver: federation-apiserver
controller-manager: federation-controller-manager
kops:
config: /etc/kubernetes/config
master:
bin:
apiserver: apiserver
scheduler: scheduler
controller-manager: controller-manager
conf:
apiserver: /etc/kubernetes/apiserver
scheduler: /etc/kubernetes/scheduler
controller-manager: /etc/kubernetes/apiserver
node:
bin:
kubelet: kubelet
proxy: proxy
conf:
kubelet: /etc/kubernetes/kubelet
proxy: /etc/kubernetes/proxy
federated:
bin:
apiserver: federation-apiserver
controller-manager: federation-controller-manager
hyperkube:
config: /etc/kubernetes/config
master:
bin:
apiserver: hyperkube apiserver
scheduler: hyperkube scheduler
controller-manager: hyperkube controller-manager
conf:
apiserver: /etc/kubernetes/apiserver
scheduler: /etc/kubernetes/scheduler
controller-manager: /etc/kubernetes/apiserver
node:
bin:
kubelet: hyperkube kubelet
proxy: hyperkube proxy
conf:
kubelet: /etc/kubernetes/kubelet
proxy: /etc/kubernetes/proxy
federated:
bin:
apiserver: hyperkube federation-apiserver
controller-manager: hyperkube federation-controller-manager
kubeadm:
config: /etc/kubernetes/config
master:
bin:
apiserver: kube-apiserver
scheduler: kube-scheduler
controller-manager: kube-controller-manager
conf:
apiserver: /etc/kubernetes/admin.conf
scheduler: /etc/kubernetes/scheduler.conf
controller-manager: /etc/kubernetes/controller-manager.conf
node:
bin:
kubelet: kubelet
proxy: kube-proxy
conf:
kubelet: /etc/kubernetes/kubelet.conf
proxy: /etc/kubernetes/proxy.conf
federated:
bin:
apiserver: kube-federation-apiserver
controller-manager: kube-federation-controller-manager

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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationApiserver | grep -v grep"
audit: "ps -ef | grep $fedapiserverbin | 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 $federationControllerManager | grep -v grep"
audit: "ps -ef | grep $fedcontrollermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"

226
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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "allow-privileged"
@ -17,13 +17,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--anonymous-auth"
@ -31,37 +31,37 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -72,24 +72,24 @@ groups:
set: true
- flag: "--kubelet-https"
set: false
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--insecure-port"
@ -97,13 +97,13 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -114,14 +114,14 @@ groups:
set: true
- flag: "--secure-port"
set: false
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -129,13 +129,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--repair-malformed-updates"
@ -143,13 +143,13 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -157,13 +157,13 @@ groups:
op: nothave
value: AlwaysAdmit
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -171,13 +171,13 @@ groups:
op: has
value: "AlwaysPullImages"
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -185,13 +185,13 @@ groups:
op: has
value: "DenyEscalatingExec"
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--admission-control"
@ -199,13 +199,13 @@ groups:
op: has
value: "SecurityContextDeny"
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "admission-control"
@ -213,24 +213,24 @@ groups:
op: has
value: "NamespaceLifecycle"
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxage"
@ -238,13 +238,13 @@ groups:
op: gte
value: 30
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxbackup"
@ -252,13 +252,13 @@ groups:
op: gte
value: 10
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--audit-log-maxsize"
@ -266,13 +266,13 @@ groups:
op: gte
value: 100
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--authorization-mode"
@ -280,38 +280,38 @@ groups:
op: nothave
value: "AlwaysAllow"
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | 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 $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | grep -v grep"
tests:
test_items:
- flag: "--service-account-lookup"
@ -335,13 +335,13 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | 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 $apiserverConf 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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | 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 $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | 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 $apiserverConf 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 $kubeApiserver | grep -v grep"
audit: "ps -ef | grep $apiserverbin | 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 $apiserverConf 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 $kubeApiserver | grep -v grep"
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
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 $kubeApiserver | grep -v grep"
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
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 $kubeScheduler | grep -v grep"
audit: "ps -ef | grep $schedulerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -449,7 +449,7 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $schedulerConf 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 $kubeControllerManager | grep -v grep"
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
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 $kubeControllerManager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | grep -v grep"
tests:
test_items:
- flag: "--profiling"
@ -477,25 +477,25 @@ groups:
op: eq
value: false
set: true
remediation: "Edit the $controllerManagerConf 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 $kubeControllerManager | grep -v grep"
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 $controllerManagerConf 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 $kubeControllerManager | grep -v grep"
audit: "ps -ef | grep $controllermanagerbin | 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 $controllerManagerConf 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 $kubeControllerManager | grep -v grep"
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
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 $kubeControllerManager | grep -v grep"
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
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
@ -534,124 +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 $apiserverConf; then stat -c %a $apiserverConf; 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 $apiserverConf"
\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 $apiserverConf; then stat -c %U:%G $apiserverConf; 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 $apiserverConf"
\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 $kubeConfig; then stat -c %a $kubeConfig; fi"
audit: "if test -e $config; then stat -c %a $config; 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 $kubeConfig"
\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: "if test -e $kubeConfig; then stat -c %U:%G $kubeConfig; fi"
audit: "if test -e $config; then stat -c %U:%G $config; 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 $kubeConfig"
\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: "if test -e $schedulerConf; then stat -c %a $schedulerConf; 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 $schedulerConf"
\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 $schedulerConf; then stat -c %U:%G $schedulerConf; 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 $schedulerConf"
\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 $$etcdConf; then stat -c %a $$etcdConf; 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 $$etcdConf"
\nFor example, chmod 644 $etcdconf"
scored: true
- id: 1.4.8
text: "Ensure that the etcd.conf file ownership is set to root:root (Scored)"
audit: "if test -e $$etcdConf; then stat -c %U:%G $$etcdConf; fi"
audit: "if test -e $etcdconf; then stat -c %U:%G $etcdconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $$etcdConf"
\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 $$flanneldConf; then stat -c %a $$flanneldConf; 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 $$flanneldConf"
\nFor example, chmod 644 $flanneldconf"
scored: true
- id: 1.4.10
text: "Ensure that the flanneld file ownership is set to root:root (Scored)"
audit: "if test -e $$flanneldConf; then stat -c %U:%G $$flanneldConf; fi"
audit: "if test -e $flanneldconf; then stat -c %U:%G $flanneldconf; fi"
tests:
test_items:
- flag: "root:root"
set: true
remediation: "Run the below command (based on the file location on your system) on the master node.
\nFor example, chown root:root $$flanneldConf"
\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 | grep -o data-dir=.* | cut -d= -f2 | xargs stat -c %a"
audit: "ps -ef | grep $etcdbin | 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 $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
@ -661,7 +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 $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--cert-file"
@ -673,7 +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 $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--client-cert-auth"
@ -681,7 +681,7 @@ groups:
op: eq
value: true
set: true
remediation: "Edit the etcd envrironment file (for example, $$etcdConf) on the
remediation: "Edit the etcd envrironment file (for example, $etcdconf) on the
etcd server node and set the ETCD_CLIENT_CERT_AUTH parameter to \"true\".
Edit the etcd startup file (for example, /etc/systemd/system/multiuser.target.wants/etcd.service)
and configure the startup parameter for --clientcert-auth and set it to \"${ETCD_CLIENT_CERT_AUTH}\""
@ -689,7 +689,7 @@ groups:
- id: 1.5.3
text: "Ensure that the --auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep $etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -699,7 +699,7 @@ groups:
compare:
op: neq
value: true
remediation: "Edit the etcd environment file (for example, $$etcdConf) 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."
@ -707,7 +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 $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--peer-cert-file"
@ -722,7 +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 $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--peer-client-cert-auth"
@ -732,7 +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, $$etcdConf) on the etcd server node
Edit the etcd environment file (for example, $etcdconf) on the etcd server node
and set the ETCD_PEER_CLIENT_CERT_AUTH parameter to \"true\". Edit the etcd startup file
(for example, /etc/systemd/system/multiuser.target.wants/etcd.service) and configure the
startup parameter for --peer-client-cert-auth and set it to \"${ETCD_PEER_CLIENT_CERT_AUTH}\""
@ -740,7 +740,7 @@ groups:
- id: 1.5.6
text: "Ensure that the --peer-auto-tls argument is not set to true (Scored)"
audit: "ps -ef | grep $etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
bin_op: or
test_items:
@ -753,7 +753,7 @@ groups:
set: true
remediation: "Note: This recommendation is applicable only for etcd clusters.
If you are using only one etcd server in your environment then this recommendation is
not applicable. Edit the etcd environment file (for example, $$etcdConf)
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."
@ -761,12 +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 $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--wal-dir"
set: true
remediation: "Edit the etcd environment file (for example, $$etcdConf) on the etcd server node
remediation: "Edit the etcd environment file (for example, $etcdconf) on the etcd server node
and set the ETCD_WAL_DIR parameter as appropriate. Edit the etcd startup file (for example,
/etc/systemd/system/multiuser.target.wants/etcd.service) and configure the startup parameter for
--wal-dir and set it to \"${ETCD_WAL_DIR}\""
@ -774,7 +774,7 @@ groups:
- id: 1.5.8
text: "Ensure that the --max-wals argument is set to 0 (Scored)"
audit: "ps -ef | grep $etcd | grep -v grep"
audit: "ps -ef | grep $etcdbin | grep -v grep"
tests:
test_items:
- flag: "--max-wals"
@ -782,7 +782,7 @@ groups:
op: eq
value: 0
set: true
remediation: "Edit the etcd environment file (for example, $$etcdConf) 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}\"."
@ -790,7 +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 $etcdbin | 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 $kubeletBin | 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 $kubeConfig file on each node and set the KUBE_ALLOW_PRIV
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"
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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | grep -v grep"
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
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"
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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeletBin | 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 $kubeletConf 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 $kubeConfig; then stat -c %a $kubeConfig; fi"
audit: "if test -e $config; then stat -c %a $config; 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 $kubeConfig"
\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: "if test -e $kubeConfig; then stat -c %U:%G $kubeConfig; fi"
audit: "if test -e $config; then stat -c %U:%G $config; 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 $kubeConfig"
\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: "if test -e $kubeletConf; then stat -c %a $kubeletConf; 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 $kubeletConf"
\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 $kubeletConf; then stat -c %U:%G $kubeletConf; 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 $kubeletConf"
\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 $kubeProxyConf; then stat -c %a $kubeProxyConf; fi"
audit: "if test -e $proxyconf; then stat -c %a $proxyconf; 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 $kubeProxyConf"
\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: "if test -e $kubeProxyConf; then stat -c %U:%G $kubeProxyConf; fi"
audit: "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 $kubeProxyConf"
\nFor example, chown root:root $proxyconf"
scored: true

318
cmd/common.go
View File

@ -18,162 +18,64 @@ import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
"github.com/aquasecurity/kube-bench/check"
"github.com/fatih/color"
"github.com/spf13/viper"
)
var (
errmsgs string
kubeMasterBin map[string]string
kubeMasterConf map[string]string
apiserverBin string
apiserverConf string
schedulerBin string
schedulerConf string
controllerManagerBin string
controllerManagerConf string
config string
etcdBin string
etcdConf string
flanneldBin string
flanneldConf string
kubeletBin string
kubeletConf string
proxyBin string
proxyConf string
fedApiserverBin string
fedControllerManagerBin string
kubeNodeBin map[string]string
kubeNodeConf map[string]string
kubeFederatedBin map[string]string
errmsgs string
// TODO: Consider specifying this in config file.
kubeVersion = "1.6"
// Used for variable substitution
symbols = map[string]string{}
// Print colors
colors = map[check.State]*color.Color{
check.PASS: color.New(color.FgGreen),
check.FAIL: color.New(color.FgRed),
check.WARN: color.New(color.FgYellow),
check.INFO: color.New(color.FgBlue),
}
)
func handleError(err error, context string) (errmsg string) {
if err != nil {
errmsg = fmt.Sprintf("%s, error: %s\n", context, err)
}
return
}
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",
}
// Master variables
apiserverBin = viper.GetString("installation." + installation + ".master.bin.apiserver")
apiserverConf = viper.GetString("installation." + installation + ".master.conf.apiserver")
schedulerBin = viper.GetString("installation." + installation + ".master.bin.scheduler")
schedulerConf = viper.GetString("installation." + installation + ".master.conf.scheduler")
controllerManagerBin = viper.GetString("installation." + installation + ".master.bin.controller-manager")
controllerManagerConf = viper.GetString("installation." + installation + ".master.conf.controler-manager")
config = viper.GetString("installation." + installation + ".config")
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",
}
etcdBin = viper.GetString("etcd.bin")
etcdConf = viper.GetString("etcd.conf")
flanneldBin = viper.GetString("flanneld.bin")
flanneldConf = viper.GetString("flanneld.conf")
// Node
kubeNodeBin = map[string]string{
"kubelet": "kubelet",
"proxy": "proxy",
}
// Node variables
kubeletBin = viper.GetString("installation." + installation + ".node.bin.kubelet")
kubeletConf = viper.GetString("installation." + installation + ".node.conf.kubelet")
proxyBin = viper.GetString("installation." + installation + ".node.bin.proxy")
proxyConf = viper.GetString("installation." + installation + ".node.conf.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",
}
}
// Federated
fedApiserverBin = viper.GetString("installation." + installation + ".federated.bin.apiserver")
fedControllerManagerBin = viper.GetString("installation." + installation + ".federated.bin.controller-manager")
// Run kubernetes installation validation checks.
warns := verifyNodeType(t)
@ -193,32 +95,28 @@ func runChecks(t check.NodeType) {
os.Exit(1)
}
// Variable substitutions. Replace all occurrences of variables in controls file.
// Master
s := strings.Replace(string(in), "$kubeApiserver", kubeMasterBin["apiserver"], -1)
s = strings.Replace(s, "$apiserverConf", kubeMasterConf["apiserver"], -1)
// Variable substitutions. Replace all occurrences of variables in controls files.
s := strings.Replace(string(in), "$apiserverbin", apiserverBin, -1)
s = strings.Replace(s, "$apiserverconf", apiserverConf, -1)
s = strings.Replace(s, "$schedulerbin", schedulerBin, -1)
s = strings.Replace(s, "$schedulerconf", schedulerConf, -1)
s = strings.Replace(s, "$controllermanagerbin", controllerManagerBin, -1)
s = strings.Replace(s, "$controllermanagerconf", controllerManagerConf, -1)
s = strings.Replace(s, "$controllermanagerconf", controllerManagerConf, -1)
s = strings.Replace(s, "$config", config, -1)
s = strings.Replace(s, "$kubeScheduler", kubeMasterBin["scheduler"], -1)
s = strings.Replace(s, "$schedulerConf", kubeMasterConf["scheduler"], -1)
s = strings.Replace(s, "$etcdbin", etcdBin, -1)
s = strings.Replace(s, "$etcdconf", etcdConf, -1)
s = strings.Replace(s, "$flanneldbin", flanneldBin, -1)
s = strings.Replace(s, "$flanneldconf", flanneldConf, -1)
s = strings.Replace(s, "$kubeControllerManager", kubeMasterBin["controller-manager"], -1)
s = strings.Replace(s, "$controllerManagerConf", kubeMasterConf["controller-manager"], -1)
s = strings.Replace(s, "$kubeletbin", kubeletBin, -1)
s = strings.Replace(s, "$kubeletconf", kubeletConf, -1)
s = strings.Replace(s, "$proxybin", proxyBin, -1)
s = strings.Replace(s, "$proxyconf", proxyConf, -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)
s = strings.Replace(s, "$fedapiserverbin", fedApiserverBin, -1)
s = strings.Replace(s, "$fedcontrollermanagerbin", fedControllerManagerBin, -1)
controls, err := check.NewControls(t, []byte(s))
if err != nil {
@ -253,20 +151,8 @@ func runChecks(t check.NodeType) {
}
}
func cleanIDs(list string) []string {
list = strings.Trim(list, ",")
ids := strings.Split(list, ",")
for _, id := range ids {
id = strings.Trim(id, " ")
}
return ids
}
// verifyNodeType checks the executables and config files are as expected
// for the specified tests (master, node or federated).
// Any check failing here is a show stopper.
func verifyNodeType(t check.NodeType) []string {
var w []string
// Always clear out error messages.
@ -274,18 +160,16 @@ func verifyNodeType(t check.NodeType) []string {
switch t {
case check.MASTER:
w = append(w, verifyBin(values(kubeMasterBin))...)
w = append(w, verifyConf(values(kubeMasterConf))...)
w = append(w, verifyKubeVersion(kubeMasterBin["apiserver"])...)
w = append(w, verifyBin(apiserverBin, schedulerBin, controllerManagerBin)...)
w = append(w, verifyConf(apiserverConf, schedulerConf, controllerManagerConf)...)
w = append(w, verifyKubeVersion(apiserverBin)...)
case check.NODE:
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])...)
*/
w = append(w, verifyBin(kubeletBin, proxyBin)...)
w = append(w, verifyConf(kubeletConf, proxyConf)...)
w = append(w, verifyKubeVersion(kubeletBin)...)
case check.FEDERATED:
w = append(w, verifyBin(fedApiserverBin, fedControllerManagerBin)...)
w = append(w, verifyKubeVersion(fedApiserverBin)...)
}
if verbose {
@ -347,73 +231,3 @@ func prettyPrint(warnings []string, r *check.Controls, summary check.Summary) {
summary.Pass, summary.Fail, summary.Warn,
)
}
func verifyConf(confPath []string) []string {
var w []string
for _, c := range confPath {
if _, err := os.Stat(c); err != nil && os.IsNotExist(err) {
w = append(w, fmt.Sprintf("config file %s does not exist\n", c))
}
}
return w
}
func verifyBin(binPath []string) []string {
var w []string
var binList string
// Construct proc name for ps(1)
for _, b := range binPath {
binList += b + ","
}
binList = strings.Trim(binList, ",")
// Run ps command
cmd := exec.Command("ps", "-C", binList, "-o", "cmd", "--no-headers")
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("verifyBin: %s failed", binList),
)
// Actual verification
for _, b := range binPath {
matched := strings.Contains(string(out), b)
if !matched {
w = append(w, fmt.Sprintf("%s is not running\n", b))
}
}
return w
}
func verifyKubeVersion(b string) []string {
// These executables might not be on the user's path.
// TODO! Check the version number using kubectl, which is more likely to be on the path.
var w []string
// Check version
cmd := exec.Command(b, "--version")
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("verifyKubeVersion: failed\nCommand:%s", cmd.Args),
)
matched := strings.Contains(string(out), kubeVersion)
if !matched {
w = append(w, fmt.Sprintf("%s unsupported version\n", b))
}
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
}

8
cmd/root.go
View File

@ -99,17 +99,11 @@ func initConfig() {
viper.AutomaticEnv() // read in environment variables that match
// Set defaults
viper.SetDefault("kubeConfDir", "/etc/kubernetes")
viper.SetDefault("etcdConfDir", "/etc/etcd")
viper.SetDefault("flanneldConfDir", "/etc/sysconfig")
viper.SetDefault("masterFile", cfgDir+"/master.yaml")
viper.SetDefault("nodeFile", cfgDir+"/node.yaml")
viper.SetDefault("federatedFile", cfgDir+"/federated.yaml")
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err != nil {
colorPrint(check.FAIL, fmt.Sprintf("Failed to read config file: %v\n", err))
os.Exit(1)
}
}

101
cmd/util.go Normal file
View File

@ -0,0 +1,101 @@
package cmd
import (
"fmt"
"os"
"os/exec"
"strings"
"github.com/aquasecurity/kube-bench/check"
"github.com/fatih/color"
)
var (
// Print colors
colors = map[check.State]*color.Color{
check.PASS: color.New(color.FgGreen),
check.FAIL: color.New(color.FgRed),
check.WARN: color.New(color.FgYellow),
check.INFO: color.New(color.FgBlue),
}
)
func handleError(err error, context string) (errmsg string) {
if err != nil {
errmsg = fmt.Sprintf("%s, error: %s\n", context, err)
}
return
}
func cleanIDs(list string) []string {
list = strings.Trim(list, ",")
ids := strings.Split(list, ",")
for _, id := range ids {
id = strings.Trim(id, " ")
}
return ids
}
func verifyConf(confPath ...string) []string {
var w []string
for _, c := range confPath {
if _, err := os.Stat(c); err != nil && os.IsNotExist(err) {
w = append(w, fmt.Sprintf("config file %s does not exist\n", c))
}
}
return w
}
func verifyBin(binPath ...string) []string {
var w []string
var binList string
// Construct proc name for ps(1)
for _, b := range binPath {
binList += b + ","
}
binList = strings.Trim(binList, ",")
// Run ps command
cmd := exec.Command("ps", "-C", binList, "-o", "cmd", "--no-headers")
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("verifyBin: %s failed", binList),
)
// Actual verification
for _, b := range binPath {
matched := strings.Contains(string(out), b)
if !matched {
w = append(w, fmt.Sprintf("%s is not running\n", b))
}
}
return w
}
func verifyKubeVersion(b string) []string {
// These executables might not be on the user's path.
// TODO! Check the version number using kubectl, which is more likely to be on the path.
var w []string
// Check version
cmd := exec.Command(b, "--version")
out, err := cmd.Output()
errmsgs += handleError(
err,
fmt.Sprintf("verifyKubeVersion: failed\nCommand:%s", cmd.Args),
)
matched := strings.Contains(string(out), kubeVersion)
if !matched {
w = append(w, fmt.Sprintf("%s unsupported version\n", b))
}
return w
}