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RHEL9-CIS/tasks/section_5/cis_5.4.1.x.yml
Mark Bolwell 0fc418a222
v2 improvements
Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>
2024-08-07 10:29:03 +01:00

193 lines
7.6 KiB
YAML

---
- name: "5.4.1.1 | PATCH | Ensure password expiration is 365 days or less"
when:
- rhel9cis_rule_5_4_1_1
tags:
- level1-server
- level1-workstation
- patch
- password
- rule_5.4.1.1
- NIST800-53R5_CM-1
- NIST800-53R5_CM-2
- NIST800-53R5_CM-6
- NIST800-53R5_CM-7
- NIST800-53R5_IA-5
block:
- name: "5.4.1.1 | PATCH | Ensure password expiration is 365 days or less"
ansible.builtin.lineinfile:
path: /etc/login.defs
regexp: '^PASS_MAX_DAYS'
line: "PASS_MAX_DAYS {{ rhel9cis_pass['max_days'] }}"
- name: "5.4.1.1 | AUDIT | Ensure password expiration is 365 days or less | Get existing users PASS_MAX_DAYS"
ansible.builtin.shell: "awk -F: '(/^[^:]+:[^!*]/ && ($5> {{ rhel9cis_pass['max_days'] }} || $5< {{ rhel9cis_pass['max_days'] }} || $5 == -1)){print $1}' /etc/shadow"
changed_when: false
failed_when: false
register: discovered_max_days
- name: "5.4.1.1 | PATCH | Ensure password expiration is 365 days or less | Set existing users PASS_MAX_DAYS"
when:
- discovered_max_days.stdout_lines | length > 0
- item in prelim_interactive_usernames.stdout
- rhel9cis_force_user_maxdays
ansible.builtin.user:
name: "{{ item }}"
password_expire_max: "{{ rhel9cis_pass['max_days'] }}"
loop: "{{ discovered_max_days.stdout_lines }}"
- name: "5.4.1.2 | PATCH | Ensure minimum password days is configured"
when:
- rhel9cis_rule_5_4_1_2
tags:
- level1-server
- level1-workstation
- patch
- password
- rule_5.4.1.2
block:
- name: "5.4.1.2 | PATCH | Ensure minimum password days is configured | set login.defs"
ansible.builtin.lineinfile:
path: /etc/login.defs
regexp: '^PASS_MIN_DAYS'
line: "PASS_MIN_DAYS {{ rhel9cis_pass['min_days'] }}"
- name: "5.4.1.2 | AUDIT | Ensure minimum password days is configured | Get existing users PASS_MIN_DAYS"
ansible.builtin.shell: "awk -F: '/^[^:]+:[^!*]/ && $4< {{ rhel9cis_pass['min_days'] }} {print $1}' /etc/shadow"
changed_when: false
failed_when: false
register: discovered_min_days
- name: "5.4.1.2 | PATCH | Ensure minimum password days is configured | Set existing users PASS_MIN_DAYS"
when:
- discovered_min_days.stdout_lines | length > 0
- item in prelim_interactive_usernames.stdout
- rhel9cis_force_user_mindays
ansible.builtin.user:
name: "{{ item }}"
password_expire_max: "{{ rhel9cis_pass['min_days'] }}"
loop: "{{ discovered_min_days.stdout_lines }}"
- name: "5.4.1.3 | PATCH | Ensure password expiration warning days is configured"
when:
- rhel9cis_rule_5_4_1_3
tags:
- level1-server
- level1-workstation
- patch
- password
- rule_5.4.1.3
block:
- name: "5.4.1.3 | PATCH | Ensure password expiration warning days is configured | set login.defs"
ansible.builtin.lineinfile:
path: /etc/login.defs
regexp: '^PASS_WARN_AGE'
line: "PASS_WARN_AGE {{ rhel9cis_pass['warn_age'] }}"
- name: "5.4.1.3 | AUDIT | Ensure password expiration warning days is configured | Get existing users WARN_DAYS"
ansible.builtin.shell: "awk -F: '/^[^:]+:[^!*]/ && $6< {{ rhel9cis_pass['warn_age'] }} {print $1}' /etc/shadow"
changed_when: false
failed_when: false
register: discovered_warn_days
- name: "5.4.1.3 | PATCH | Ensure password expiration warning days is configured | Set existing users WARN_DAYS"
when:
- discovered_warn_days.stdout_lines | length > 0
- item in prelim_interactive_usernames.stdout
- rhel9cis_force_user_warnage
ansible.builtin.shell: "chage --warndays {{ rhel9cis_pass['warn_age'] }} {{ item }}"
loop: "{{ discovered_warn_days.stdout_lines }}"
- name: "5.4.1.4 | PATCH | Ensure strong password hashing algorithm is configured"
when:
- rhel9cis_rule_5_4_1_4
tags:
- level1-server
- level1-workstation
- patch
- rule_5.4.1.4
- pam
- NIST800-53R5_IA-5
ansible.builtin.lineinfile:
path: /etc/login.defs
regexp: '^ENCRYPT_METHOD'
line: 'ENCRYPT_METHOD {{ rhel9cis_passwd_hash_algo | upper }}'
- name: "5.4.1.5 | PATCH | Ensure inactive password lock is configured"
when:
- rhel9cis_rule_5_4_1_5
tags:
- level1-server
- level1-workstation
- patch
- password
- rule_5.4.1.5
block:
- name: "5.4.1.5 | AUDIT | Ensure inactive password lock is configured | Check current settings"
ansible.builtin.shell: useradd -D | grep INACTIVE={{ rhel9cis_inactivelock.lock_days }} | cut -f2 -d=
changed_when: false
failed_when: false
check_mode: false
register: rhel9cis_5_4_1_5_inactive_settings
- name: "5.4.1.5 | PATCH | Ensure inactive password lock is configured | Set default inactive setting"
ansible.builtin.shell: useradd -D -f {{ rhel9cis_inactivelock.lock_days }}
when: rhel9cis_5_4_1_5_inactive_settings.stdout | length == 0
- name: "5.4.1.5 | AUDIT | Ensure inactive password lock is 30 days or less | Getting user list"
ansible.builtin.shell: "awk -F: '/^[^#:]+:[^\\!\\*:]*:[^:]*:[^:]*:[^:]*:[^:]*:(\\s*|-1|3[1-9]|[4-9][0-9]|[1-9][0-9][0-9]+):[^:]*:[^:]*\\s*$/ {print $1}' /etc/shadow"
changed_when: false
check_mode: false
register: rhel9cis_5_4_1_5_user_list
- name: "5.4.1.5 | PATCH | Ensure inactive password lock is 30 days or less | Apply Inactive setting to existing accounts"
when: item in prelim_interactive_usernames.stdout
ansible.builtin.shell: chage --inactive {{ rhel9cis_inactivelock.lock_days }} "{{ item }}"
loop: "{{ rhel9cis_5_4_1_5_user_list.stdout_lines }}"
- name: "5.4.1.6 | PATCH | Ensure all users last password change date is in the past"
when:
- rhel9cis_rule_5_4_1_6
tags:
- level1-server
- level1-workstation
- patch
- rule_5.4.1.6
vars:
warn_control_id: '5.4.1.6'
block:
- name: "5.4.1.6 | AUDIT | Ensure all users last password change date is in the past | Get current date in Unix Time"
ansible.builtin.shell: echo $(($(date --utc --date "$1" +%s)/86400))
changed_when: false
failed_when: false
check_mode: false
register: rhel9cis_5_4_1_6_currentut
- name: "5.4.1.6 | AUDIT | Ensure all users last password change date is in the past | Get list of users with last changed pw date in the future"
ansible.builtin.shell: "cat /etc/shadow | awk -F: '{if($3>{{ rhel9cis_5_4_1_6_currentut.stdout }})print$1}'"
changed_when: false
failed_when: false
check_mode: false
register: rhel9cis_5_4_1_6_user_list
- name: "5.4.1.6 | AUDIT | Ensure all users last password change date is in the past | Alert on accounts with pw change in the future"
ansible.builtin.debug:
msg: "Warning!! The following accounts have the last PW change date in the future: {{ rhel9cis_5_4_1_6_user_list.stdout_lines }}"
when:
- rhel9cis_5_4_1_6_user_list.stdout | length > 0
- not rhel9cis_futurepwchgdate_autofix
- name: "5.4.1.6 | AUDIT | Ensure all users last password change date is in the past | warning count"
ansible.builtin.import_tasks:
file: warning_facts.yml
when:
- rhel9cis_5_4_1_6_user_list.stdout | length > 0
- not rhel9cis_futurepwchgdate_autofix
- name: "5.4.1.6 | PATCH | Ensure all users last password change date is in the past | Fix accounts with pw change in the future"
ansible.builtin.shell: passwd --expire {{ item }}
when:
- rhel9cis_5_4_1_5_user_list.stdout | length > 0
- rhel9cis_futurepwchgdate_autofix
loop: "{{ rhel9cis_5_4_1_6_user_list.stdout_lines }}"