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122 lines
4.6 KiB
122 lines
4.6 KiB
---
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controls:
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version: "cis-1.24"
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id: 2
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text: "Etcd Node Configuration"
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type: "etcd"
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groups:
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- id: 2
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text: "Etcd Node Configuration"
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checks:
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- id: 2.1
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text: "Ensure that the --cert-file and --key-file arguments are set as appropriate (Automated)"
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audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep"
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tests:
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bin_op: and
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test_items:
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- flag: "--cert-file"
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env: "ETCD_CERT_FILE"
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- flag: "--key-file"
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env: "ETCD_KEY_FILE"
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remediation: |
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Not applicable. MicroK8s used dqlite and the communication to this service is done through a
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local socket (/var/snap/microk8s/current/var/kubernetes/backend/kine.sock:12379) accessible
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to users with root permissions.
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scored: false
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- id: 2.2
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text: "Ensure that the --client-cert-auth argument is set to true (Automated)"
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audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep"
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tests:
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test_items:
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- flag: "--client-cert-auth"
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env: "ETCD_CLIENT_CERT_AUTH"
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compare:
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op: eq
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value: true
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remediation: |
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Not applicable. MicroK8s used dqlite and the communication to this service is done through a
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local socket (/var/snap/microk8s/current/var/kubernetes/backend/kine.sock:12379) accessible
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to users with root permissions.
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scored: false
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- id: 2.3
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text: "Ensure that the --auto-tls argument is not set to true (Automated)"
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audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep"
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tests:
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bin_op: or
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test_items:
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- flag: "--auto-tls"
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env: "ETCD_AUTO_TLS"
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set: false
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- flag: "--auto-tls"
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env: "ETCD_AUTO_TLS"
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compare:
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op: eq
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value: false
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remediation: |
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Not applicable. MicroK8s used dqlite and the communication to this service is done through a
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local socket (/var/snap/microk8s/current/var/kubernetes/backend/kine.sock:12379) accessible
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to users with root permissions.
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scored: false
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- id: 2.4
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text: "Ensure that the --peer-cert-file and --peer-key-file arguments are set as appropriate (Automated)"
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audit: "if test -e /var/snap/microk8s/current/var/kubernetes/backend/cluster.crt && test -e /var/snap/microk8s/current/var/kubernetes/backend/cluster.key; then echo 'certs-found'; fi"
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tests:
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test_items:
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- flag: "certs-found"
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remediation: |
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The certificate pair for dqlite and tls peer communication is
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/var/snap/microk8s/current/var/kubernetes/backend/cluster.crt and
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/var/snap/microk8s/current/var/kubernetes/backend/cluster.key.
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scored: true
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- id: 2.5
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text: "Ensure that the --peer-client-cert-auth argument is set to true (Automated)"
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audit: "/bin/cat $etcdconf | /bin/grep enable-tls || true"
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tests:
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bin_op: or
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test_items:
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- flag: "--enable-tls"
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compare:
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op: eq
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value: true
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- flag: "--enable-tls"
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set: false
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remediation: |
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MicroK8s used dqlite and tls peer communication uses is TLS if the --enable-tls is set in
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/var/snap/microk8s/current/args/k8s-dqlite, set to true by default.
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scored: true
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- id: 2.6
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text: "Ensure that the --peer-auto-tls argument is not set to true (Automated)"
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audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep"
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tests:
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bin_op: or
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test_items:
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- flag: "--peer-auto-tls"
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env: "ETCD_PEER_AUTO_TLS"
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set: false
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- flag: "--peer-auto-tls"
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env: "ETCD_PEER_AUTO_TLS"
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compare:
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op: eq
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value: false
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remediation: |
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Not applicable. MicroK8s used dqlite and tls peer communication uses the certificates
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created upon the snap creation.
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scored: false
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- id: 2.7
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text: "Ensure that a unique Certificate Authority is used for etcd (Manual)"
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audit: "/bin/ps -ef | /bin/grep $etcdbin | /bin/grep -v grep"
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tests:
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test_items:
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- flag: "--trusted-ca-file"
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env: "ETCD_TRUSTED_CA_FILE"
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remediation: |
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Not applicable. MicroK8s used dqlite and tls peer communication uses the certificates
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created upon the snap creation.
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scored: false
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