mirror of
https://github.com/aquasecurity/kube-bench.git
synced 2024-12-25 07:58:10 +00:00
ed51191d7c
* Replace custom k3s etcd script checks with vanilla grep checks Signed-off-by: Derek Nola <derek.nola@suse.com> * Rework etcd grep, remove etcd ENV checks (no-op), add correct k3s etcddatadir Signed-off-by: Derek Nola <derek.nola@suse.com> * chore: update go-linter version Signed-off-by: chenk <hen.keinan@gmail.com> * Use etcddatadir variable Signed-off-by: Derek Nola <derek.nola@suse.com> --------- Signed-off-by: Derek Nola <derek.nola@suse.com> Signed-off-by: chenk <hen.keinan@gmail.com> Co-authored-by: chenk <hen.keinan@gmail.com>
138 lines
4.9 KiB
YAML
138 lines
4.9 KiB
YAML
---
|
|
controls:
|
|
version: "k3s-cis-1.23"
|
|
id: 2
|
|
text: "Etcd Node Configuration"
|
|
type: "etcd"
|
|
groups:
|
|
- id: 2
|
|
text: "Etcd Node Configuration"
|
|
checks:
|
|
- id: 2.1
|
|
text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Automated)"
|
|
audit: "grep -A 4 'client-transport-security' $etcdconf | grep -E 'cert-file|key-file'"
|
|
tests:
|
|
bin_op: and
|
|
test_items:
|
|
- flag: "cert-file"
|
|
set: true
|
|
- flag: "key-file"
|
|
set: true
|
|
remediation: |
|
|
Follow the etcd service documentation and configure TLS encryption.
|
|
Then, edit the etcd pod specification file /etc/kubernetes/manifests/etcd.yaml
|
|
on the master node and set the below parameters.
|
|
--cert-file=</path/to/ca-file>
|
|
--key-file=</path/to/key-file>
|
|
scored: true
|
|
|
|
- id: 2.2
|
|
text: "Ensure that the --client-cert-auth argument is set to true (Automated)"
|
|
audit: "grep -A 4 'client-transport-security' $etcdconf | grep 'client-cert-auth'"
|
|
tests:
|
|
bin_op: or
|
|
test_items:
|
|
- flag: "--client-cert-auth"
|
|
set: true
|
|
- flag: "client-cert-auth"
|
|
compare:
|
|
op: eq
|
|
value: true
|
|
set: true
|
|
remediation: |
|
|
Edit the etcd pod specification file $etcdconf on the master
|
|
node and set the below parameter.
|
|
--client-cert-auth="true"
|
|
scored: true
|
|
|
|
- id: 2.3
|
|
text: "Ensure that the --auto-tls argument is not set to true (Automated)"
|
|
audit: "if grep -q '^auto-tls' $etcdconf;then grep '^auto-tls' $etcdconf;else echo 'notset';fi"
|
|
tests:
|
|
bin_op: or
|
|
test_items:
|
|
- flag: "--auto-tls"
|
|
set: false
|
|
- flag: "--auto-tls"
|
|
compare:
|
|
op: eq
|
|
value: false
|
|
remediation: |
|
|
Edit the etcd pod specification file $etcdconf on the master
|
|
node and either remove the --auto-tls parameter or set it to false.
|
|
--auto-tls=false
|
|
scored: true
|
|
|
|
- id: 2.4
|
|
text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Automated)"
|
|
audit: "grep -A 4 'peer-transport-security' $etcdconf | grep -E 'cert-file|key-file'"
|
|
tests:
|
|
bin_op: and
|
|
test_items:
|
|
- flag: "cert-file"
|
|
set: true
|
|
- flag: "key-file"
|
|
set: true
|
|
remediation: |
|
|
Follow the etcd service documentation and configure peer TLS encryption as appropriate
|
|
for your etcd cluster.
|
|
Then, edit the etcd pod specification file $etcdconf on the
|
|
master node and set the below parameters.
|
|
--peer-client-file=</path/to/peer-cert-file>
|
|
--peer-key-file=</path/to/peer-key-file>
|
|
scored: true
|
|
|
|
- id: 2.5
|
|
text: "Ensure that the --peer-client-cert-auth argument is set to true (Automated)"
|
|
audit: "grep -A 4 'peer-transport-security' $etcdconf | grep 'client-cert-auth'"
|
|
tests:
|
|
bin_op: or
|
|
test_items:
|
|
- flag: "--client-cert-auth"
|
|
set: true
|
|
- flag: "client-cert-auth"
|
|
compare:
|
|
op: eq
|
|
value: true
|
|
set: true
|
|
remediation: |
|
|
Edit the etcd pod specification file $etcdconf on the master
|
|
node and set the below parameter.
|
|
--peer-client-cert-auth=true
|
|
scored: true
|
|
|
|
- id: 2.6
|
|
text: "Ensure that the --peer-auto-tls argument is not set to true (Automated)"
|
|
audit: "if grep -q '^peer-auto-tls' $etcdconf;then grep '^peer-auto-tls' $etcdconf;else echo 'notset';fi"
|
|
tests:
|
|
bin_op: or
|
|
test_items:
|
|
- flag: "--peer-auto-tls"
|
|
set: false
|
|
- flag: "--peer-auto-tls"
|
|
compare:
|
|
op: eq
|
|
value: false
|
|
set: true
|
|
remediation: |
|
|
Edit the etcd pod specification file $etcdconf on the master
|
|
node and either remove the --peer-auto-tls parameter or set it to false.
|
|
--peer-auto-tls=false
|
|
scored: true
|
|
|
|
- id: 2.7
|
|
text: "Ensure that a unique Certificate Authority is used for etcd (Manual)"
|
|
audit: "if grep -q 'trusted-ca-file' $etcdconf;then grep 'trusted-ca-file' $etcdconf;else echo 'notset';fi"
|
|
tests:
|
|
test_items:
|
|
- flag: "trusted-ca-file"
|
|
set: true
|
|
remediation: |
|
|
[Manual test]
|
|
Follow the etcd documentation and create a dedicated certificate authority setup for the
|
|
etcd service.
|
|
Then, edit the etcd pod specification file $etcdconf on the
|
|
master node and set the below parameter.
|
|
--trusted-ca-file=</path/to/ca-file>
|
|
scored: false
|