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RHEL9-CIS/tasks/section_6/cis_6.1.x.yml
Mark Bolwell a54b5216eb
Initial 
Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>
2022-01-07 09:06:18 +00:00

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---
- name: "6.1.1 | L2 | AUDIT | Audit system file permissions"
block:
- name: "6.1.1 | L2 | AUDIT | Audit system file permissions | Audit the packages"
shell: rpm -Va --nomtime --nosize --nomd5 --nolinkto
args:
warn: no
changed_when: false
failed_when: false
register: rhel9cis_6_1_1_packages_rpm
- name: "6.1.1 | L2 | AUDIT | Audit system file permissions | Create list and warning"
block:
- name: "6.1.1 | L2 | Audit system file permissions | Add file discrepancy list to system"
copy:
dest: "{{ rhel9cis_rpm_audit_file }}"
content: "{{ rhel9cis_6_1_1_packages_rpm.stdout }}"
- name: "6.1.1 | L2 | AUDIT | Audit system file permissions | Message out alert for package descrepancies"
debug:
msg: |
"Warning! You have some package descrepancies issues.
The file list can be found in {{ rhel9cis_rpm_audit_file }}"
when: rhel9cis_6_1_1_packages_rpm.stdout|length > 0
- name: "6.1.1 | L2 | AUDIT | Audit system file permissions | Message out no package descrepancies"
debug:
msg: "Good News! There are no package descrepancies"
when: rhel9cis_6_1_1_packages_rpm.stdout|length == 0
when:
- rhel9cis_rule_6_1_1
tags:
- level2-server
- level2-workstation
- audit
- rule_6.1.1
- name: "6.1.2 | L1 | PATCH | Ensure permissions on /etc/passwd are configured"
file:
dest: /etc/passwd
owner: root
group: root
mode: 0644
when:
- rhel9cis_rule_6_1_2
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.2
- name: "6.1.3 | L1 | PATCH | Ensure permissions on /etc/passwd- are configured"
file:
dest: /etc/passwd-
owner: root
group: root
mode: 0644
when:
- rhel9cis_rule_6_1_3
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.3
- name: "6.1.4 | L1 | PATCH | Ensure permissions on /etc/shadow are configured"
file:
dest: /etc/shadow
owner: root
group: root
mode: 0000
when:
- rhel9cis_rule_6_1_4
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.4
- name: "6.1.5 | L1 | PATCH | Ensure permissions on /etc/shadow- are configured"
file:
dest: /etc/shadow-
owner: root
group: root
mode: 0000
when:
- rhel9cis_rule_6_1_5
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.5
- name: "6.1.6 | L1 | PATCH | Ensure permissions on /etc/gshadow are configured"
file:
dest: /etc/gshadow
owner: root
group: root
mode: 0000
when:
- rhel9cis_rule_6_1_6
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.6
- name: "6.1.7 | L1 | PATCH | Ensure permissions on /etc/gshadow- are configured"
file:
dest: /etc/gshadow-
owner: root
group: root
mode: 0000
when:
- rhel9cis_rule_6_1_7
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.7
- name: "6.1.8 | L1 | PATCH | Ensure permissions on /etc/group are configured"
file:
dest: /etc/group-
owner: root
group: root
mode: 0644
when:
- rhel9cis_rule_6_1_8
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.8
- name: "6.1.9 | L1 | PATCH | Ensure permissions on /etc/group- are configured"
file:
dest: /etc/group-
owner: root
group: root
mode: 0644
when:
- rhel9cis_rule_6_1_9
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.9
- name: "6.1.10 | L1 | PATCH | Ensure no world writable files exist"
block:
- name: "6.1.10 | L1 | AUDIT | Ensure no world writable files exist | Get list of world-writable files"
shell: df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -0002
failed_when: false
changed_when: false
register: rhel_09_6_1_10_perms_results
- name: "6.1.10 | L1 | AUDIT | Ensure no world writable files exist | Alert no world-writable files exist"
debug:
msg: "Good news! We have not found any world-writable files on your system"
when:
- rhel_09_6_1_10_perms_results.stdout is not defined
- name: "6.1.10 | L1 | PATCH | Ensure no world writable files exist | Adjust world-writable files if they exist (Configurable)"
file:
path: '{{ item }}'
mode: o-w
state: touch
with_items: "{{ rhel_09_6_1_10_perms_results.stdout_lines }}"
when:
- rhel_09_6_1_10_perms_results.stdout_lines is defined
- rhel9cis_no_world_write_adjust
when:
- rhel9cis_rule_6_1_10
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.10
- name: "6.1.11 | L1 | AUDIT | Ensure no unowned files or directories exist"
block:
- name: "6.1.11 | L1 | AUDIT | Ensure no unowned files or directories exist | Finding all unowned files or directories"
command: find "{{ item.mount }}" -xdev -nouser
check_mode: false
failed_when: false
changed_when: false
with_items: "{{ ansible_mounts }}"
register: rhel_09_6_1_11_audit
when: item['device'].startswith('/dev') and not 'bind' in item['options']
- name: "6.1.11 | L1 | AUDIT | Ensure no unowned files or directories exist | Displaying any unowned files or directories"
debug:
msg: "Manual intervention is required -- missing owner on items in {{ item.item.mount }}: {{ item.stdout_lines | join(', ') }}"
with_items: "{{ rhel_09_6_1_11_audit.results }}"
when:
- item.stdout_lines is defined
- item.stdout_lines | length > 0
when:
- rhel9cis_rule_6_1_11
tags:
- level1-server
- level1-workstation
- audit
- rule_6.1.11
- name: "6.1.12 | L1 | AUDIT | Ensure no ungrouped files or directories exist"
block:
- name: "6.1.12 | L1 | AUDIT | Ensure no ungrouped files or directories exist | Finding all ungrouped files or directories"
command: find "{{ item.mount }}" -xdev -nogroup
check_mode: false
failed_when: false
changed_when: false
register: rhel_09_6_1_12_audit
with_items: "{{ ansible_mounts }}"
when: item['device'].startswith('/dev') and not 'bind' in item['options']
- name: "6.1.12 | L1 | AUDIT | Ensure no ungrouped files or directories exist | Displaying all ungrouped files or directories"
debug:
msg: "Manual intervention is required -- missing group on items in {{ item.item.mount }}: {{ item.stdout_lines | join(', ') }}"
with_items: "{{ rhel_09_6_1_12_audit.results }}"
when:
- item.stdout_lines is defined
- item.stdout_lines | length > 0
when:
- rhel9cis_rule_6_1_12
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.12
- name: "6.1.13 | L1 | AUDIT | Audit SUID executables"
block:
- name: "6.1.13 | L1 | AUDIT | Audit SUID executables | Find all SUID executables"
shell: df {{ item.mount }} -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -4000
failed_when: false
changed_when: false
register: rhel_09_6_1_13_perms_results
with_items: "{{ ansible_mounts }}"
- name: "6.1.13 | L1 | AUDIT | Audit SUID executables | Alert no SUID executables exist"
debug:
msg: "Good news! We have not found any SUID executable files on your system"
failed_when: false
changed_when: false
when:
- rhel_09_6_1_13_perms_results.stdout is not defined
- name: "6.1.13 | L1 | AUDIT | Audit SUID executables | Alert SUID executables exist"
debug:
msg: "Manual intervention is required -- SUID set on items in {{ item.item.mount }}: {{ item.stout_lines | join(', ') }}"
with_items: "{{ rhel_09_6_1_13_perms_results.stdout_lines }}"
when:
- rhel_09_6_1_13_perms_results.stdout is defined
when:
- rhel9cis_rule_6_1_13
tags:
- level1-server
- level1-workstation
- audit
- rule_6.1.13
- name: "6.1.14 | L1 | AUDIT | Audit SGID executables"
block:
- name: "6.1.14 | L1 | AUDIT | Audit SGID executables | Find all SGID executables"
shell: df {{ item.mount }} -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type f -perm -2000
failed_when: false
changed_when: false
register: rhel_09_6_1_14_perms_results
with_items: "{{ ansible_mounts }}"
- name: "6.1.14 | L1 | AUDIT | Audit SGID executables | Alert no SGID executables exist"
debug:
msg: "Good news! We have not found any SGID executable files on your system"
failed_when: false
changed_when: false
when:
- rhel_09_6_1_14_perms_results.stdout is not defined
- name: "6.1.14 | L1 | AUDIT | Audit SGID executables | Alert SGID executables exist"
debug:
msg: "Manual intervention is required -- SGID set on items in {{ item.item.mount }}: {{ item.stout_lines | join(', ') }}"
with_items: "{{ rhel_09_6_1_14_perms_results.stdout_lines }}"
when:
- rhel_09_6_1_14_perms_results.stdout is defined
when:
- rhel9cis_rule_6_1_14
tags:
- level1-server
- level1-workstation
- patch
- rule_6.1.14
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