ansible-lockdown/RHEL9-CIS
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v1.0.0 updates

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Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>
This commit is contained in:
Mark Bolwell 2023-01-09 16:29:47 +00:00
parent 4e004e7d88
commit 2634fabd41
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GPG key ID: 1DE02A772D0908F9
18 changed files with 288 additions and 329 deletions
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83
tasks/section_1/cis_1.1.1.x.yml
View file

@ -1,76 +1,49 @@
---
- name: "1.1.1.1 | PATCH | Ensure mounting of cramfs filesystems is disabled"
- name: "1.1.1.1 | PATCH | Ensure mounting of squashfs filesystems is disabled"
block:
- name: "1.1.1.1 | PATCH | Ensure mounting of cramfs filesystems is disabled | Edit modprobe config"
lineinfile:
path: /etc/modprobe.d/CIS.conf
regexp: "^(#)?install cramfs(\\s|$)"
line: "install cramfs /bin/true"
create: true
mode: 0600
- name: "1.1.1.1 | PATCH | Ensure mounting of cramfs filesystems is disabled | Disable cramfs"
modprobe:
name: cramfs
state: absent
when: not system_is_container
when:
- rhel9cis_rule_1_1_1_1
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.1.1.1
- cramfs
- name: "1.1.1.2 | PATCH | Ensure mounting of squashfs filesystems is disabled"
block:
- name: "1.1.1.2 | PATCH | Ensure mounting of squashfs filesystems is disabled | Edit modprobe config"
lineinfile:
- name: "1.1.1.1 | PATCH | Ensure mounting of squashfs filesystems is disabled | Edit modprobe config"
ansible.builtin.lineinfile:
path: /etc/modprobe.d/CIS.conf
regexp: "^(#)?install squashfs(\\s|$)"
line: "install squashfs /bin/true"
create: true
mode: 0600
- name: "1.1.1.2 | PATCH | Ensure mounting of squashfs filesystems is disabled | Disable squashfs"
- name: "1.1.1.1 | PATCH | Ensure mounting of squashfs filesystems is disabled | Disable squashfs"
modprobe:
name: squashfs
state: absent
when: not system_is_container
when:
- rhel9cis_rule_1_1_1_1
tags:
- level2-server
- level2-workstation
- patch
- rule_1.1.1.1
- squashfs
- name: "1.1.1.2 | PATCH | Ensure mounting of udf filesystems is disabled"
block:
- name: "1.1.1.2 | PATCH | Ensure mounting of udf filesystems is disable | Edit modprobe config"
ansible.builtin.lineinfile:
path: /etc/modprobe.d/CIS.conf
regexp: "^(#)?install udf(\\s|$)"
line: "install udf /bin/true"
create: true
mode: 0600
- name: "1.1.1.2 | PATCH | Ensure mounting of udf filesystems is disable | Disable udf"
modprobe:
name: udf
state: absent
when: not system_is_container
when:
- rhel9cis_rule_1_1_1_2
tags:
- level2-server
- level2-workstation
- automated
- patch
- rule_1.1.1.2
- squashfs
- name: "1.1.1.3 | PATCH | Ensure mounting of udf filesystems is disabled"
block:
- name: "1.1.1.3 | PATCH | Ensure mounting of udf filesystems is disable | Edit modprobe config"
lineinfile:
path: /etc/modprobe.d/CIS.conf
regexp: "^(#)?install udf(\\s|$)"
line: "install udf /bin/true"
create: true
mode: 0600
- name: "1.1.1.3 | PATCH | Ensure mounting of udf filesystems is disable | Disable udf"
modprobe:
name: udf
state: absent
when: not system_is_container
when:
- rhel9cis_rule_1_1_1_3
tags:
- level2-server
- level2-workstation
- automated
- patch
- rule_1.1.1.3
- udf

10
tasks/section_1/cis_1.1.2.x.yml
View file

@ -3,13 +3,13 @@
- name: "1.1.2.1 | PATCH | Ensure /tmp is a separate partition"
block:
- name: "1.1.2.1 | PATCH | Ensure /tmp is a separate partition | Absent"
debug:
ansible.builtin.debug:
msg: "Warning!! /tmp is not mounted on a separate partition"
when:
- required_mount not in mount_names
- name: "1.1.2.1 | PATCH | Ensure /tmp is a separate partition | Warn Count"
set_fact:
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.2.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
@ -28,7 +28,6 @@
tags:
- level1-server
- level1-workstation
- automated
- audit
- mounts
- rule_1.1.2.1
@ -38,7 +37,7 @@
"1.1.2.2 | PATCH | Ensure nodev option set on /tmp partition"
"1.1.2.3 | PATCH | Ensure noexec option set on /tmp partition"
"1.1.2.4 | PATCH | Ensure nosuid option set on /tmp partition"
mount:
ansible.builtin.mount:
name: /tmp
src: "{{ item.device }}"
fstype: "{{ item.fstype }}"
@ -58,7 +57,6 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- mounts
- rule_1.1.2.2
@ -71,7 +69,7 @@
"1.1.2.2 | PATCH | Ensure nodev option set on /tmp partition"
"1.1.2.3 | PATCH | Ensure noexec option set on /tmp partition"
"1.1.2.4 | PATCH | Ensure nosuid option set on /tmp partition"
template:
ansible.builtin.template:
src: etc/systemd/system/tmp.mount.j2
dest: /etc/systemd/system/tmp.mount
owner: root

20
tasks/section_1/cis_1.1.3.x.yml
View file

@ -3,7 +3,7 @@
- name: "1.1.3.1 | AUDIT | Ensure separate partition exists for /var"
block:
- name: "1.1.3.1 | AUDIT | Ensure separate partition exists for /var | Absent"
debug:
ansible.builtin.debug:
msg: "Warning!! {{ required_mount }} doesn't exist. This is a manual task"
register: var_mount_absent
changed_when: var_mount_absent.skipped is undefined
@ -11,14 +11,14 @@
- required_mount not in mount_names
- name: "1.1.3.1 | AUDIT | Ensure separate partition exists for /var | Warn Count"
set_fact:
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.3.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
- required_mount not in mount_names
- name: "1.1.3.1 | AUDIT | Ensure separate partition exists for /var | Present"
debug:
ansible.builtin.debug:
msg: "Congratulations: {{ required_mount }} exists."
register: var_mount_present
when:
@ -30,7 +30,6 @@
tags:
- level2-server
- level2-workstation
- automated
- patch
- mounts
- rule_1.1.3.1
@ -38,14 +37,13 @@
# skips if mount is absent
- name: |
"1.1.3.2 | PATCH | Ensure nodev option set on /var partition"
"1.1.3.3 | PATCH | Ensure noexec option set on /var partition"
"1.1.3.4 | PATCH | Ensure nosuid option set on /var partition"
mount:
"1.1.3.3 | PATCH | Ensure nosuid option set on /var partition"
ansible.builtin.mount:
name: /var
src: "{{ item.device }}"
fstype: "{{ item.fstype }}"
state: present
opts: defaults,{% if rhel9cis_rule_1_1_3_3 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_3_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_3_4 %}nosuid{% endif %}
opts: defaults,{% if rhel9cis_rule_1_1_3_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_3_3 %}nosuid,{% endif %}
with_items:
- "{{ ansible_mounts }}"
loop_control:
@ -56,15 +54,13 @@
- item.mount == "/var"
- rhel9cis_rule_1_1_3_1 # This is required so the check takes place
- rhel9cis_rule_1_1_3_2 or
rhel9cis_rule_1_1_3_3 or
rhel9cis_rule_1_1_3_4
rhel9cis_rule_1_1_3_3
tags:
- level1-server
- level1-workstation
- automated
- patch
- mounts
- skip_ansible_lint
- rule_1.1.3.2
- rule_1.1.3.3
- rule_1.1.3.4

12
tasks/section_1/cis_1.1.4.x.yml
View file

@ -4,7 +4,7 @@
- name: "1.1.4.1 | AUDIT | Ensure separate partition exists for /var/tmp"
block:
- name: "1.1.4.1 | AUDIT | Ensure separate partition exists for /var/tmp | Absent"
debug:
ansible.builtin.debug:
msg: "Warning!! {{ required_mount }} doesn't exist. This is a manual task"
register: var_tmp_mount_absent
changed_when: var_tmp_mount_absent.skipped is undefined
@ -12,14 +12,14 @@
- required_mount not in mount_names
- name: "1.1.4.1 | AUDIT | Ensure separate partition exists for /var/tmp | Warn Count"
set_fact:
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.4.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
- required_mount not in mount_names
- name: "1.1.4.1 | AUDIT | Ensure separate partition exists for /var/tmp | Present"
debug:
ansible.builtin.debug:
msg: "Congratulations: {{ required_mount }} exists."
register: var_tmp_mount_present
when:
@ -31,7 +31,6 @@
tags:
- level2-server
- level2-workstation
- automated
- audit
- mounts
- rule_1.1.4.1
@ -41,12 +40,12 @@
"1.1.4.2 | PATCH | Ensure noexec option set on /var/tmp partition"
"1.1.4.3 | PATCH | Ensure nosuid option set on /var/tmp partition"
"1.1.4.4 | PATCH | Ensure nodev option set on /var/tmp partition"
mount:
ansible.builtin.mount:
name: /var/tmp
src: "{{ item.device }}"
fstype: "{{ item.fstype }}"
state: present
opts: defaults,{% if rhel9cis_rule_1_1_4_2 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_4_4 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_4_3 %}nosuid{% endif %}
opts: defaults,{% if rhel9cis_rule_1_1_4_2 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_4_3 %}nosuid,{% endif %}{% if rhel9cis_rule_1_1_4_3 %}nodev{% endif %}
with_items:
- "{{ ansible_mounts }}"
loop_control:
@ -62,7 +61,6 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- mounts
- skip_ansible_lint

12
tasks/section_1/cis_1.1.5.x.yml
View file

@ -3,7 +3,7 @@
- name: "1.1.5.1 | AUDIT | Ensure separate partition exists for /var/log"
block:
- name: "1.1.5.1 | AUDIT | Ensure separate partition exists for /var/log | Absent"
debug:
ansible.builtin.debug:
msg: "Warning!! {{ required_mount }} doesn't exist. This is a manual task"
register: var_log_mount_absent
changed_when: var_log_mount_absent.skipped is undefined
@ -11,14 +11,14 @@
- required_mount not in mount_names
- name: "1.1.5.1 | AUDIT | Ensure separate partition exists for /var/log | Warn Count"
set_fact:
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.5.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
- required_mount not in mount_names
- name: "1.1.5.1 | AUDIT | Ensure separate partition exists for /var/log | Present"
debug:
ansible.builtin.debug:
msg: "Congratulations: {{ required_mount }} exists."
register: var_log_mount_present
when:
@ -30,7 +30,6 @@
tags:
- level2-server
- level2-workstation
- automated
- audit
- mounts
- rule_1.1.5.1
@ -40,12 +39,12 @@
"1.1.5.2 | PATCH | Ensure nodev option set on /var/log partition"
"1.1.5.3 | PATCH | Ensure noexec option set on /var/log partition"
"1.1.5.4 | PATCH | Ensure nosuid option set on /var/log partition"
mount:
ansible.builtin.mount:
name: /var/log
src: "{{ item.device }}"
fstype: "{{ item.fstype }}"
state: present
opts: defaults,{% if rhel9cis_rule_1_1_5_3 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_5_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_5_4 %}nosuid{% endif %}
opts: defaults,{% if rhel9cis_rule_1_1_5_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_5_3 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_5_4 %}nosuid{% endif %}
with_items:
- "{{ ansible_mounts }}"
loop_control:
@ -61,7 +60,6 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- mounts
- skip_ansible_lint

10
tasks/section_1/cis_1.1.6.x.yml
View file

@ -3,7 +3,7 @@
- name: "1.1.6.1 | AUDIT | Ensure separate partition exists for /var/log/audit"
block:
- name: "1.1.6.1 | AUDIT | Ensure separate partition exists for /var/log/audit | Absent"
debug:
ansible.builtin.debug:
msg: "Warning!! {{ required_mount }} doesn't exist. This is a manual task"
register: var_log_audit_mount_absent
changed_when: var_log_audit_mount_absent.skipped is undefined
@ -11,14 +11,14 @@
- required_mount not in mount_names
- name: "1.1.6.1 | AUDIT | Ensure separate partition exists for /var/log/audit | Warn Count"
set_fact:
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.6.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
- required_mount not in mount_names
- name: "1.1.6.1 | AUDIT | Ensure separate partition exists for /var/log/audit | Present"
debug:
ansible.builtin.debug:
msg: "Congratulations: {{ required_mount }} exists."
register: var_log_audit_mount_present
when:
@ -30,7 +30,6 @@
tags:
- level2-server
- level2-workstation
- automated
- audit
- mounts
- rule_1.1.6.1
@ -39,7 +38,7 @@
"1.1.6.2 | PATCH | Ensure noexec option set on /var/log/audit partition"
"1.1.6.3 | PATCH | Ensure nodev option set on /var/log/audit partition"
"1.1.6.4 | PATCH | Ensure nosuid option set on /var/log/audit partition"
mount:
ansible.builtin.mount:
name: /var/log/audit
src: "{{ item.device }}"
fstype: "{{ item.fstype }}"
@ -60,7 +59,6 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- mounts
- skip_ansible_lint

20
tasks/section_1/cis_1.1.7.x.yml
View file

@ -3,7 +3,7 @@
- name: "1.1.7.1 | AUDIT | Ensure separate partition exists for /home"
block:
- name: "1.1.7.1 | AUDIT | Ensure separate partition exists for /home | Absent"
debug:
ansible.builtin.debug:
msg: "Warning!! {{ required_mount }} doesn't exist. This is a manual task"
register: home_mount_absent
changed_when: home_mount_absent.skipped is undefined
@ -11,14 +11,14 @@
- required_mount not in mount_names
- name: "1.1.7.1 | AUDIT | Ensure separate partition exists for /home | Warn Count"
set_fact:
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.7.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
- required_mount not in mount_names
- name: "1.1.7.1 | AUDIT | Ensure separate partition exists for /home | Present"
debug:
ansible.builtin.debug:
msg: "Congratulations: {{ required_mount }} exists."
register: home_mount_present
when:
@ -30,7 +30,6 @@
tags:
- level2-server
- level2-workstation
- automated
- audit
- mounts
- rule_1.1.7.1
@ -38,15 +37,13 @@
- name: |
"1.1.7.2 | PATCH | Ensure nodev option set on /home partition
1.1.7.3 | PATCH | Ensure nosuid option set on /home partition
1.1.7.4 | PATCH | Ensure usrquota option set on /home partition
1.1.7.5 | PATCH | Ensure grpquota option set on /home partition"
mount:
1.1.7.3 | PATCH | Ensure nosuid option set on /home partition"
ansible.builtin.mount:
name: /home
src: "{{ item.device }}"
fstype: "{{ item.fstype }}"
state: present
opts: defaults,{% if rhel9cis_rule_1_1_7_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_7_3 %}nosuid,{% endif %}{% if rhel9cis_rule_1_1_7_4 %}usrquota,{% endif %}{% if rhel9cis_rule_1_1_7_5 %}grpquota{% endif %}
opts: defaults,{% if rhel9cis_rule_1_1_7_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_7_3 %}nosuid,{% endif %}
with_items:
- "{{ ansible_mounts }}"
loop_control:
@ -57,13 +54,10 @@
- item.mount == "/home"
- rhel9cis_rule_1_1_7_1
- rhel9cis_rule_1_1_7_2 or
rhel9cis_rule_1_1_7_3 or
rhel9cis_rule_1_1_7_4 or
rhel9cis_rule_1_1_7_5
rhel9cis_rule_1_1_7_3
tags:
- level1-server
- level1-workstation
- automated
- patch
- mounts
- rule_1.1.7.2

78
tasks/section_1/cis_1.1.8.x.yml
View file

@ -1,43 +1,61 @@
---
# Skips if mount is absent
- name: |
"1.1.8.1 | PATCH | Ensure nodev option set on /dev/shm partition
1.1.8.2 | PATCH | Ensure nosuid option set on /dev/shm partition
1.1.8.3 | PATCH | Ensure noexec option set on /dev/shm partition"
- name: "1.1.8.1 | AUDIT | Ensure /dev/shm is a sepretae partition"
block:
- name: |
"1.1.8.1 | AUDIT | Ensure nodev option set on /dev/shm partition | Check for /dev/shm existence
1.1.8.2 | AUDIT | Ensure nosuid option set on /dev/shm partition | Check for /dev/shm existence
1.1.8.3 | AUDIT | Ensure noexec option set on /dev/shm partition | Check for /dev/shm existence"
shell: mount -l | grep -E '\s/dev/shm\s'
changed_when: false
failed_when: false
check_mode: false
register: rhel9cis_1_1_8_x_dev_shm_status
- name: "1.1.8.1 | AUDIT | Ensure /dev/shm is a sepretae partition | Absent"
ansible.builtin.debug:
msg: "Warning!! {{ required_mount }} doesn't exist. This is a manual task"
register: home_mount_absent
changed_when: home_mount_absent.skipped is undefined
when:
- required_mount not in mount_names
- name: |
"1.1.8.1 | PATCH | Ensure nodev option set on /dev/shm partition | Set nodev option
1.1.8.2 | PATCH | Ensure noexec option set on /dev/shm partition | Set nosuid option
1.1.8.3 | PATCH | Ensure nosuid option set on /dev/shm partition | Set noexec option"
mount:
name: /dev/shm
src: tmpfs
fstype: tmpfs
state: mounted
opts: defaults,{% if rhel9cis_rule_1_1_8_2 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_8_1 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_8_3 %}nosuid{% endif %}
when: "'dev/shm' in rhel9cis_1_1_8_x_dev_shm_status.stdout"
notify: change_requires_reboot
- name: "1.1.8.1 | AUDIT | Ensure separate partition exists for /home | Warn Count"
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.1.8.1' ]"
warn_count: "{{ warn_count | int + 1 }}"
when:
- required_mount not in mount_names
- name: "1.1.8.1 | AUDIT | Ensure separate partition exists for /home | Present"
ansible.builtin.debug:
msg: "Congratulations: {{ required_mount }} exists."
register: home_mount_present
when:
- required_mount in mount_names
vars:
required_mount: '/dev/shm'
when:
- rhel9cis_rule_1_1_8_1 or
rhel9cis_rule_1_1_8_2 or
rhel9cis_rule_1_1_8_3
- rhel9cis_rule_1_1_8_1
tags:
- level1-server
- level1-workstation
- automated
- patch
- audit
- mounts
- rule_1.1.8.1
- skip_ansible_lint
- name: |
"1.1.8.2 | PATCH | Ensure nodev option set on /dev/shm partition | Set nodev option
1.1.8.3 | PATCH | Ensure noexec option set on /dev/shm partition | Set nosuid option
1.1.8.4 | PATCH | Ensure nosuid option set on /dev/shm partition | Set noexec option"
ansible.builtin.mount:
name: /dev/shm
src: tmpfs
fstype: tmpfs
state: mounted
opts: defaults,{% if rhel9cis_rule_1_1_8_2 %}nodev,{% endif %}{% if rhel9cis_rule_1_1_8_3 %}noexec,{% endif %}{% if rhel9cis_rule_1_1_8_4 %}nosuid{% endif %}
notify: change_requires_reboot
when:
- rhel9cis_rule_1_1_8_2 or
rhel9cis_rule_1_1_8_3 or
rhel9cis_rule_1_1_8_4
tags:
- level1-server
- level1-workstation
- patch
- mounts
- rule_1.1.8.2
- rule_1.1.8.3
- rule_1.1.8.4

31
tasks/section_1/cis_1.1.x.yml
View file

@ -1,26 +1,9 @@
---
- name: "1.1.9 | PATCH | Disable Automounting"
service:
name: autofs
enabled: false
when:
- not rhel9cis_allow_autofs
- "'autofs' in ansible_facts.packages"
- rhel9cis_rule_1_1_9
tags:
- level1-server
- level2-workstation
- automated
- patch
- mounts
- automounting
- rule_1.1.9
- name: "1.1.10 | PATCH | Disable USB Storage"
- name: "1.1.9 | PATCH | Disable USB Storage"
block:
- name: "1.1.10 | PATCH | Disable USB Storage | Edit modprobe config"
lineinfile:
- name: "1.1.9 | PATCH | Disable USB Storage | Edit modprobe config"
ansible.builtin.lineinfile:
path: /etc/modprobe.d/CIS.conf
regexp: "^(#)?install usb-storage(\\s|$)"
line: "install usb-storage /bin/true"
@ -29,12 +12,12 @@
group: root
mode: 0600
- name: "1.1.10 | PATCH | Disable USB Storage | Edit modprobe config"
modprobe:
- name: "1.1.9 | PATCH | Disable USB Storage | Edit modprobe config"
ansible.builtin.modprobe:
name: usb-storage
state: absent
when:
- rhel9cis_rule_1_1_10
- rhel9cis_rule_1_1_9
tags:
- level1-server
- level2-workstation
@ -42,4 +25,4 @@
- patch
- mounts
- removable_storage
- rule_1.1.10
- rule_1.1.9

3
tasks/section_1/cis_1.10.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.10 | PATCH | Ensure system-wide crypto policy is not legacy"
shell: |
ansible.builtin.shell: |
update-crypto-policies --set "{{ rhel9cis_crypto_policy }}"
update-crypto-policies
notify: change_requires_reboot
@ -11,7 +11,6 @@
tags:
- level1-server
- level1-workstation
- automated
- no system_is_ec2
- patch
- rule_1.10

104
tasks/section_1/cis_1.2.x.yml
View file

@ -1,54 +1,35 @@
---
- name: "1.2.1 | PATCH | Ensure Red Hat Subscription Manager connection is configured"
redhat_subscription:
state: present
username: "{{ rhel9cis_rh_sub_user }}"
password: "{{ rhel9cis_rh_sub_password }}"
auto_attach: true
no_log: true
when:
- ansible_distribution == "RedHat"
- rhel9cis_rhnsd_required
- rhel9cis_rule_1_2_1
tags:
- level1-server
- level1-workstation
- manual
- patch
- rule_1.2.1
- skip_ansible_lint # Added as no_log still errors on ansuible-lint
- name: "1.2.2 | AUDIT | Ensure GPG keys are configured"
- name: "1.2.1 | AUDIT | Ensure GPG keys are configured"
block:
- name: "1.2.2 | AUDIT | Ensure GPG keys are configured | list installed pubkey keys"
shell: "rpm -qa | grep {{ os_gpg_key_pubkey_name }}"
- name: "1.2.1 | AUDIT | Ensure GPG keys are configured | list installed pubkey keys"
ansible.builtin.shell: "rpm -qa | grep {{ os_gpg_key_pubkey_name }}"
changed_when: false
failed_when: false
register: os_installed_pub_keys
- name: "1.2.2 | AUDIT | Ensure GPG keys are configured | Query found keys"
shell: "rpm -q --queryformat \"%{PACKAGER} %{VERSION}\\n\" {{ os_gpg_key_pubkey_name }} | grep \"{{ os_gpg_key_pubkey_content }}\""
- name: "1.2.1 | AUDIT | Ensure GPG keys are configured | Query found keys"
ansible.builtin.shell: "rpm -q --queryformat \"%{PACKAGER} %{VERSION}\\n\" {{ os_gpg_key_pubkey_name }} | grep \"{{ os_gpg_key_pubkey_content }}\""
changed_when: false
failed_when: false
register: os_gpg_key_check
when: os_installed_pub_keys.rc == 0
- name: "1.2.2 | AUDIT | Ensure GPG keys are configured | expected keys pass"
debug:
- name: "1.2.1 | AUDIT | Ensure GPG keys are configured | expected keys pass"
ansible.builtin.debug:
msg: "Congratulations !! - The installed gpg keys match expected values"
when:
- os_installed_pub_keys.rc == 0
- os_gpg_key_check.rc == 0
- name: "1.2.2 | AUDIT | Ensure GPG keys are configured | expected keys fail"
fail:
- name: "1.2.1 | AUDIT | Ensure GPG keys are configured | expected keys fail"
ansible.builtin.fail:
msg: Installed GPG Keys do not meet expected values or keys installed that are not expected
when:
- os_installed_pub_keys.rc == 1 or
os_gpg_key_check.rc == 1
when:
- rhel9cis_rule_1_2_2
- rhel9cis_rule_1_2_1
- ansible_distribution == "RedHat" or
ansible_distribution == "Rocky" or
ansible_distribution == "AlmaLinux"
@ -57,19 +38,19 @@
- level1-workstation
- manual
- patch
- rule_1.2.2
- rule_1.2.1
- name: "1.2.3| PATCH | Ensure gpgcheck is globally activated"
- name: "1.2.2 | PATCH | Ensure gpgcheck is globally activated"
block:
- name: "1.2.3 | AUDIT | Ensure gpgcheck is globally activated | Find repos"
find:
- name: "1.2.2 | AUDIT | Ensure gpgcheck is globally activated | Find repos"
ansible.builtin.find:
paths: /etc/yum.repos.d
patterns: "*.repo"
register: yum_repos
changed_when: false
- name: "1.2.3 | PATCH | Ensure gpgcheck is globally activated | Update yum.repos"
replace:
- name: "1.2.2 | PATCH | Ensure gpgcheck is globally activated | Update yum.repos"
ansible.builtin.replace:
name: "{{ item.path }}"
regexp: "^gpgcheck=0"
replace: "gpgcheck=1"
@ -78,35 +59,63 @@
loop_control:
label: "{{ item.path }}"
when:
- rhel9cis_rule_1_2_3
- rhel9cis_rule_1_2_2
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.2.3
- rule_1.2.2
- name: "1.2.4 | AUDIT | Ensure package manager repositories are configured"
- name: "1.2.3 | AUDIT | Ensure package manager repositories are configured"
block:
- name: "1.2.4 | AUDIT | Ensure package manager repositories are configured | Get repo list"
command: dnf repolist
- name: "1.2.3 | AUDIT | Ensure package manager repositories are configured | Get repo list"
ansible.builtin.command: dnf repolist
changed_when: false
failed_when: false
register: dnf_configured
check_mode: false
args:
warn: false
- name: "1.2.4 | AUDIT | Ensure package manager repositories are configured | Display repo list"
debug:
- name: "1.2.3 | AUDIT | Ensure package manager repositories are configured | Display repo list"
ansible.builtin.debug:
msg:
- "Warning!! Below are the configured repos. Please review and make sure all align with site policy"
- "{{ dnf_configured.stdout_lines }}"
- name: "1.2.4 | AUDIT | Ensure package manager repositories are configured | Warn Count"
set_fact:
control_number: "{{ control_number }} + ['rule_1.2.4']"
- name: "1.2.3 | AUDIT | Ensure package manager repositories are configured | Warn Count"
ansible.builtin.set_fact:
control_number: "{{ control_number }} + ['rule_1.2.3']"
warn_count: "{{ warn_count | int + 1 }}"
when:
- rhel9cis_rule_1_2_3
tags:
- level1-server
- level1-workstation
- manual
- audit
- rule_1.2.3
- skip_ansible_lint
- name: "1.2.4 | AUDIT | Ensure repo_gpgcheck is globally activated"
block:
- name: "1.2.4 | PATCH | Ensure repo_gpgcheck is globally activated | dnf.conf"
ansible.builtin.lineinfile:
path: /etc/dnf/dnf.conf
regexp: '^repo_gpgcheck'
line: repo_gpgcheck 1
- name: "1.2.4 | AUDIT| Ensure repo_gpgcheck is globally activated | get repo files"
ansible.builtin.find:
path: /etc/yum.repos.d
patterns: '*.repo'
register: repo_files
- name: "1.2.4 | PATCH | Ensure repo_gpgcheck is globally activated | amend repo files"
ansible.builtin.lineinfile:
path: "{{ item }}"
regexp: '^repo_gpgcheck'
line: repo_gpgcheck=1
loop: "{{ repo_files.files }}"
when:
- rhel9cis_rule_1_2_4
tags:
@ -115,4 +124,3 @@
- manual
- audit
- rule_1.2.4
- skip_ansible_lint

25
tasks/section_1/cis_1.3.x.yml
View file

@ -3,12 +3,12 @@
- name: "1.3.1 | PATCH | Ensure AIDE is installed"
block:
- name: "1.3.1 | PATCH | Ensure AIDE is installed | Install AIDE"
package:
ansible.builtin.package:
name: aide
state: present
- name: "1.3.1 | PATCH | Ensure AIDE is installed | Configure AIDE"
command: /usr/sbin/aide --init -B 'database_out=file:/var/lib/aide/aide.db.gz'
ansible.builtin.command: /usr/sbin/aide --init -B 'database_out=file:/var/lib/aide/aide.db.gz'
changed_when: false
failed_when: false
async: 45
@ -22,13 +22,12 @@
tags:
- level1-server
- level1-workstation
- automated
- aide
- patch
- rule_1.3.1
- name: "1.3.2 | PATCH | Ensure filesystem integrity is regularly checked"
cron:
ansible.builtin.cron:
name: Run AIDE integrity check
cron_file: "{{ rhel9cis_aide_cron['cron_file'] }}"
user: "{{ rhel9cis_aide_cron['cron_user'] }}"
@ -44,8 +43,24 @@
tags:
- level1-server
- level1-workstation
- automated
- aide
- file_integrity
- patch
- rule_1.3.2
- name: "1.3.3 Ensure cryptographic mechanisms are used to protect the integrity of audit tools"
ansible.builtin.template:
src: etc/aide.conf.d/crypt_audit_procs.conf.j2
dest: /etc/aide.conf.d/crypt_audit_procs.conf
owner: root
group: 0640
when:
- rhel9cis_rule_1_3_2
- not system_is_ec2
tags:
- level1-server
- level1-workstation
- aide
- file_integrity
- patch
- rule_1.3.3

43
tasks/section_1/cis_1.4.x.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.4.1 | PATCH | Ensure bootloader password is set"
copy:
ansible.builtin.copy:
dest: /boot/grub2/user.cfg
content: "GRUB2_PASSWORD={{ rhel9cis_bootloader_password_hash }}" # noqa template-instead-of-copy
owner: root
@ -14,7 +14,6 @@
tags:
- level1-server
- level1-workstation
- automated
- grub
- patch
- rule_1.4.1
@ -22,51 +21,21 @@
- name: "1.4.2 | PATCH | Ensure permissions on bootloader config are configured"
block:
- name: "1.4.2 | PATCH | Ensure permissions on bootloader config are configured"
file:
ansible.builtin.file:
path: /boot/grub2/grub.cfg
owner: root
group: root
mode: 0600
loop:
- grub.cfg
- grubenv
- user.cfg
- name: "1.4.2 | PATCH | Ensure permissions on bootloader config are configured | UEFI"
mount:
name: /boot/efi
src: "UUID={{ item.uuid }}"
fstype: vfat
state: present
opts: defaults,umask=0027,fmask=0077,uid=0,gid=0
passno: '0'
with_items:
- "{{ ansible_mounts }}"
loop_control:
label: "{{ item.mount }}"
when:
- not rhel9cis_legacy_boot
- item.mount == "/boot/efi"
when:
- rhel9cis_rule_1_4_2
tags:
- level1-server
- level1-workstation
- automated
- grub
- patch
- rule_1.4.2
- name: "1.4.3 | PATCH | Ensure authentication is required when booting into rescue mode"
lineinfile:
path: /etc/systemd/system/rescue.service.d/00-require-auth.conf
regexp: '^ExecStart='
line: "ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue"
create: true
owner: root
group: root
mode: 0644
when:
- rhel9cis_rule_1_4_3
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.4.3

12
tasks/section_1/cis_1.5.x.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.5.1 | PATCH | Ensure core dump storage is disabled"
lineinfile:
ansible.builtin.lineinfile:
path: /etc/systemd/coredump.conf
regexp: '^Storage\s*=\s*(?!none).*'
line: 'Storage=none'
@ -12,12 +12,11 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.5.1
- name: "1.5.2 | PATCH | Ensure core dump backtraces are disabled"
lineinfile:
ansible.builtin.lineinfile:
path: /etc/systemd/coredump.conf
regexp: '^ProcessSizeMax\s*=\s*.*[1-9]$'
line: 'ProcessSizeMax=0'
@ -26,7 +25,6 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- sysctl
- rule_1.5.2
@ -34,17 +32,17 @@
- name: "1.5.3 | PATCH | Ensure address space layout randomization (ASLR) is enabled"
block:
- name: "1.5.3 | PATCH | Ensure address space layout randomization (ASLR) is enabled"
set_fact:
ansible.builtin.set_fact:
sysctl_update: true
- name: "1.5.3 | PATCH | Ensure address space layout randomization (ASLR) is enabled"
debug:
ansible.builtin.debug:
msg: "Control being set via Handler 'update sysctl' which writes to /etc/sysctl.d/60-kernel_sysctl.conf"
when:
- rhel9cis_rule_1_5_3
tags:
- level1-server
- level1-workstation
- automated
- patch
- sysctl
- rule_1.5.3

84
tasks/section_1/cis_1.6.1.x.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.6.1.1 | PATCH | Ensure SELinux is installed"
package:
ansible.builtin.package:
name: libselinux
state: present
when:
@ -14,10 +14,13 @@
- rule_1.6.1.1
- name: "1.6.1.2 | PATCH | Ensure SELinux is not disabled in bootloader configuration"
replace:
ansible.builtin.replace:
dest: /etc/default/grub
regexp: 'selinux=0'
regexp: '{{ item }}'
replace: ''
loop:
- selinux=0
- enforcing=0
register: selinux_grub_patch
ignore_errors: true # noqa ignore-errors
notify: grub2cfg
@ -32,10 +35,10 @@
# State set to enforcing because control 1.6.1.5 requires enforcing to be set
- name: "1.6.1.3 | PATCH | Ensure SELinux policy is configured"
selinux:
ansible.posix.selinux:
conf: /etc/selinux/config
policy: "{{ rhel9cis_selinux_pol }}"
state: enforcing
state: "{{ rhel9cis_selinux_enforce }}"
when:
- not rhel9cis_selinux_disable
- rhel9cis_rule_1_6_1_3
@ -47,78 +50,95 @@
- patch
- rule_1.6.1.3
- name: "1.6.1.4 | PATCH | Ensure the SELinux state is enforcing"
selinux:
- name: "1.6.1.4 | PATCH | Ensure the SELinux state is not disabled"
ansible.posix.selinux:
conf: /etc/selinux/config
policy: "{{ rhel9cis_selinux_pol }}"
state: "{{ rhel9cis_selinux_enforce }}"
when:
- not rhel9cis_selinux_disable
- rhel9cis_rule_1_6_1_4
tags:
- level1-server
- level1-workstation
- automated
- selinux
- patch
- rule_1.6.1.4
- name: "1.6.1.5 | PATCH | Ensure the SELinux state is enforcing"
ansible.posix.selinux:
conf: /etc/selinux/config
policy: "{{ rhel9cis_selinux_pol }}"
state: enforcing
when:
- not rhel9cis_selinux_disable
- rhel9cis_rule_1_6_1_4
- rhel9cis_selinux_enforce == 'enforcing'
- rhel9cis_rule_1_6_1_5
tags:
- level2-server
- level2-workstation
- automated
- selinux
- patch
- rule_1.6.1.4
- rule_1.6.1.5
- name: "1.6.1.5 | AUDIT | Ensure no unconfined services exist"
- name: "1.6.1.6 | AUDIT | Ensure no unconfined services exist"
block:
- name: "1.6.1.5 | AUDIT | Ensure no unconfined services exist | Find the unconfined services"
shell: ps -eZ | grep unconfined_service_t | egrep -vw "tr|ps|egrep|bash|awk" | tr ':' ' ' | awk '{ print $NF }'
register: rhelcis_1_6_1_5_unconf_services
- name: "1.6.1.6 | AUDIT | Ensure no unconfined services exist | Find the unconfined services"
ansible.builtin.shell: ps -eZ | grep unconfined_service_t | egrep -vw "tr|ps|egrep|bash|awk" | tr ':' ' ' | awk '{ print $NF }'
register: rhelcis_1_6_1_6_unconf_services
failed_when: false
changed_when: false
- name: "1.6.1.5 | AUDIT | Ensure no unconfined services exist | Message on no unconfined services"
debug:
- name: "1.6.1.6 | AUDIT | Ensure no unconfined services exist | Message on no unconfined services"
ansible.builtin.debug:
msg: "Good News! There are no services found on your system"
when: rhelcis_1_6_1_5_unconf_services.stdout | length == 0
when: rhelcis_1_6_1_6_unconf_services.stdout | length == 0
- name: "1.6.1.5 | AUDIT | Ensure no unconfined services exist | Message on unconfined services"
debug:
- name: "1.6.1.6 | AUDIT | Ensure no unconfined services exist | Message on unconfined services"
ansible.builtin.debug:
msg: "Warning!! You have unconfined services: {{ rhelcis_1_6_1_5_unconf_services.stdout_lines }}"
when: rhelcis_1_6_1_5_unconf_services.stdout | length > 0
when: rhelcis_1_6_1_6_unconf_services.stdout | length > 0
- name: "1.6.1.5 | AUDIT | Ensure no unconfined services exist | warning count"
set_fact:
- name: "1.6.1.6 | AUDIT | Ensure no unconfined services exist | warning count"
ansible.builtin.set_fact:
control_number: "{{ control_number }} + [ 'rule_1.6.1.5' ]"
warn_count: "{{ warn_count | int + 1 }}"
when: rhelcis_1_6_1_5_unconf_services.stdout | length > 0
when: rhelcis_1_6_1_6_unconf_services.stdout | length > 0
when:
- rhel9cis_rule_1_6_1_5
- rhel9cis_rule_1_6_1_6
tags:
- level1-server
- level1-workstation
- automated
- audit
- services
- rule_1.6.1.5
- rule_1.6.1.6
- name: "1.6.1.6 | PATCH | Ensure SETroubleshoot is not installed"
package:
- name: "1.6.1.7 | PATCH | Ensure SETroubleshoot is not installed"
ansible.builtin.package:
name: setroubleshoot
state: absent
when:
- rhel9cis_rule_1_6_1_6
- rhel9cis_rule_1_6_1_7
- "'setroubleshoot' in ansible_facts.packages"
tags:
- level1-server
- automated
- selinux
- patch
- rule_1.6.1.6
- rule_1.6.1.7
- name: "1.6.1.7 | PATCH | Ensure the MCS Translation Service (mcstrans) is not installed"
package:
- name: "1.6.1.8 | PATCH | Ensure the MCS Translation Service (mcstrans) is not installed"
ansible.builtin.package:
name: mcstrans
state: absent
when:
- rhel9cis_rule_1_6_1_7
- rhel9cis_rule_1_6_1_8
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.6.1.7
- rule_1.6.1.8

18
tasks/section_1/cis_1.7.x.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.7.1 | PATCH | Ensure message of the day is configured properly"
template:
ansible.builtin.template:
src: etc/motd.j2
dest: /etc/motd
owner: root
@ -12,13 +12,12 @@
tags:
- level1-server
- level1-workstation
- automated
- banner
- patch
- rule_1.7.1
- name: "1.7.2 | PATCH | Ensure local login warning banner is configured properly"
template:
ansible.builtin.template:
src: etc/issue.j2
dest: /etc/issue
owner: root
@ -29,12 +28,11 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.7.2
- name: "1.7.3 | PATCH | Ensure remote login warning banner is configured properly"
template:
ansible.builtin.template:
src: etc/issue.net.j2
dest: /etc/issue.net
owner: root
@ -45,13 +43,12 @@
tags:
- level1-server
- level1-workstation
- automated
- banner
- patch
- rule_1.7.3
- name: "1.7.4 | PATCH | Ensure permissions on /etc/motd are configured"
file:
ansible.builtin.file:
dest: /etc/motd
state: file
owner: root
@ -62,13 +59,12 @@
tags:
- level1-server
- level1-workstation
- automated
- perms
- patch
- rule_1.7.4
- name: "1.7.5 | PATCH | Ensure permissions on /etc/issue are configured"
file:
ansible.builtin.file:
dest: /etc/issue
state: file
owner: root
@ -79,13 +75,12 @@
tags:
- level1-server
- level1-workstation
- automated
- perms
- patch
- rule_1.7.5
- name: "1.7.6 | PATCH | Ensure permissions on /etc/issue.net are configured"
file:
ansible.builtin.file:
dest: /etc/issue.net
state: file
owner: root
@ -96,7 +91,6 @@
tags:
- level1-server
- level1-workstation
- automated
- perms
- patch
- rule_1.7.6

49
tasks/section_1/cis_1.8.x.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.8.1 | PATCH | Ensure GNOME Display Manager is removed"
package:
ansible.builtin.package:
name: gdm
state: absent
when:
@ -16,7 +16,7 @@
- rule_1.8.1
- name: "1.8.2 | PATCH | Ensure GDM login banner is configured"
lineinfile:
ansible.builtin.lineinfile:
path: "{{ item.file }}"
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
@ -45,8 +45,8 @@
- gdm
- rule_1.8.2
- name: "1.8.3 | PATCH | Ensure last logged in user display is disabled"
lineinfile:
- name: "1.8.3 | PATCH | Ensure GDM disable-user-list option is enabled"
ansible.builtin.lineinfile:
path: "{{ item.file }}"
regexp: "{{ item.regexp }}"
line: "{{ item.line }}"
@ -72,24 +72,8 @@
- gui
- rule_1.8.3
- name: "1.8.4 | PATCH | Ensure XDMCP is not enabled"
lineinfile:
path: /etc/gdm/custom.conf
regexp: 'Enable=true'
state: absent
when:
- rhel9cis_rule_1_8_4
- rhel9cis_gui
tags:
- level1-server
- level1-workstation
- automated
- patch
- gui
- rule_1.8.4
- name: "1.8.5 | PATCH | Ensure automatic mounting of removable media is disabled"
lineinfile:
- name: "1.8.6 | PATCH | Ensure automatic mounting of removable media is disabled"
ansible.builtin.lineinfile:
path: /etc/dconf/db/local.d/00-media-automount
regexp: "{{ item.regex }}"
line: "{{ item.line }}"
@ -103,7 +87,7 @@
- { regex: 'automount=', line: 'automount=false' }
- { regex: 'automount-open=', line: 'automount-open=false'}
when:
- rhel9cis_rule_1_8_5
- rhel9cis_rule_1_8_6
- rhel9cis_gui
tags:
- level1-server
@ -111,4 +95,21 @@
- automated
- patch
- gui
- rule_1.8.5
- rule_1.8.6
- name: "1.8.10 | PATCH | Ensure XDMCP is not enabled"
ansible.builtin.lineinfile:
path: /etc/gdm/custom.conf
regexp: 'Enable=true'
state: absent
when:
- rhel9cis_rule_1_8_10
- rhel9cis_gui
tags:
- level1-server
- level1-workstation
- automated
- patch
- gui
- rule_1.8.4

3
tasks/section_1/cis_1.9.yml
View file

@ -1,7 +1,7 @@
---
- name: "1.9 | PATCH | Ensure updates, patches, and additional security software are installed"
package:
ansible.builtin.package:
name: "*"
state: latest
notify: change_requires_reboot
@ -11,7 +11,6 @@
tags:
- level1-server
- level1-workstation
- automated
- patch
- rule_1.9
- skip_ansible_lint