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initial v2

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Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>
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Mark Bolwell 2024-07-24 14:05:46 +01:00
parent 6ea105374a
commit 3b346f7fe1
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GPG key ID: 997FF7FE93AEB5B9
11 changed files with 1415 additions and 814 deletions
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423
tasks/section_6/cis_6.1.x.yml
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@ -1,366 +1,79 @@
---
- name: "6.1.1 | PATCH | Ensure permissions on /etc/passwd are configured"
ansible.builtin.file:
path: /etc/passwd
owner: root
group: root
mode: '0644'
- name: "6.1.1 | PATCH | Ensure AIDE is installed"
when:
- rhel9cis_rule_6_1_1
- rhel9cis_config_aide
- rhel9cis_rule_6_1_1
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.1
- name: "6.1.2 | PATCH | Ensure permissions on /etc/passwd- are configured"
ansible.builtin.file:
path: /etc/passwd-
owner: root
group: root
mode: '0644'
when:
- rhel9cis_rule_6_1_2
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.2
- name: "6.1.3 | PATCH | Ensure permissions on /etc/group are configured"
ansible.builtin.file:
path: /etc/group
owner: root
group: root
mode: '0644'
when:
- rhel9cis_rule_6_1_3
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.3
- name: "6.1.4 | PATCH | Ensure permissions on /etc/group- are configured"
ansible.builtin.file:
path: /etc/group-
owner: root
group: root
mode: '0644'
when:
- rhel9cis_rule_6_1_4
tags:
- level1-server
- level1-workstation
- patch
- permissionss
- rule_6.1.4
- name: "6.1.5 | PATCH | Ensure permissions on /etc/shadow are configured"
ansible.builtin.file:
path: /etc/shadow
owner: root
group: root
mode: '0000'
when:
- rhel9cis_rule_6_1_5
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.5
- name: "6.1.6 | PATCH | Ensure permissions on /etc/shadow- are configured"
ansible.builtin.file:
path: /etc/shadow-
owner: root
group: root
mode: '0000'
when:
- rhel9cis_rule_6_1_6
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.6
- name: "6.1.7 | PATCH | Ensure permissions on /etc/gshadow are configured"
ansible.builtin.file:
path: /etc/gshadow
owner: root
group: root
mode: '0000'
when:
- rhel9cis_rule_6_1_7
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.7
- name: "6.1.8 | PATCH | Ensure permissions on /etc/gshadow- are configured"
ansible.builtin.file:
path: /etc/gshadow-
owner: root
group: root
mode: '0000'
when:
- rhel9cis_rule_6_1_8
tags:
- level1-server
- level1-workstation
- patch
- permissions
- rule_6.1.8
- name: "6.1.9 | PATCH | Ensure no world writable files exist"
- level1-server
- level1-workstation
- aide
- patch
- rule_6.1.1
- NIST800-53R5_AU-2
block:
- name: "6.1.9 | AUDIT | Ensure no world writable files exist | Get list of world-writable files"
ansible.builtin.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_9_perms_results
- name: "6.1.1 | PATCH | Ensure AIDE is installed | Install AIDE"
ansible.builtin.package:
name: aide
state: present
- name: "6.1.9 | PATCH | Ensure no world writable files exist | Adjust world-writable files if they exist (Configurable)"
ansible.builtin.file:
path: '{{ item }}'
mode: o-w
state: touch
loop: "{{ rhel_09_6_1_9_perms_results.stdout_lines }}"
when:
- rhel_09_6_1_9_perms_results.stdout_lines is defined
- rhel9cis_no_world_write_adjust
- name: "6.1.1 | PATCH | Ensure AIDE is installed | Build AIDE DB"
when: not ansible_check_mode
ansible.builtin.shell: /usr/sbin/aide --init
args:
- name: "6.1.1 | PATCH | Ensure AIDE is installed | Wait for file before continuing"
ansible.builtin.wait_for:
path: /var/lib/aide/aide.db.new.gz
- name: "6.1.1 | PATCH | Ensure AIDE is installed | copy AIDE DB"
ansible.builtin.copy:
src: /var/lib/aide/aide.db.new.gz
dest: /var/lib/aide/aide.db.gz
remote_src: true
- name: "6.1.2 | PATCH | Ensure filesystem integrity is regularly checked"
when:
- rhel9cis_rule_6_1_9
- rhel9cis_rule_6_1_2
- not system_is_ec2
tags:
- level1-server
- level1-workstation
- patch
- files
- permissions
- rule_6.1.9
- level1-server
- level1-workstation
- aide
- file_integrity
- patch
- rule_6.1.2
- NIST800-53R5_AU-2
ansible.builtin.cron:
name: Run AIDE integrity check
cron_file: "{{ rhel9cis_aide_cron['cron_file'] }}"
user: "{{ rhel9cis_aide_cron['cron_user'] }}"
minute: "{{ rhel9cis_aide_cron['aide_minute'] | default('0') }}"
hour: "{{ rhel9cis_aide_cron['aide_hour'] | default('5') }}"
day: "{{ rhel9cis_aide_cron['aide_day'] | default('*') }}"
month: "{{ rhel9cis_aide_cron['aide_month'] | default('*') }}"
weekday: "{{ rhel9cis_aide_cron['aide_weekday'] | default('*') }}"
job: "{{ rhel9cis_aide_cron['aide_job'] }}"
- name: "6.1.10 | AUDIT | Ensure no unowned files or directories exist"
block:
- name: "6.1.10 | AUDIT | Ensure no unowned files or directories exist | Finding all unowned files or directories"
ansible.builtin.shell: find "{{ item.mount }}" -xdev -nouser
changed_when: false
failed_when: false
check_mode: false
register: rhel_09_6_1_10_audit
loop: "{{ ansible_facts.mounts }}"
loop_control:
label: "{{ item.mount }}"
when:
- item['device'].startswith('/dev')
- not 'bind' in item['options']
- name: "6.1.10 | AUDIT | Ensure no unowned files or directories exist | set fact"
ansible.builtin.set_fact:
rhel_09_6_1_10_unowned_files_found: true
loop: "{{ rhel_09_6_1_10_audit.results }}"
when:
- item | length > 0
- item.stdout is defined # skipped items are part of results list, but don't have the registered module properties
- item.stdout | length > 0
- name: "6.1.10 | AUDIT | Ensure no unowned files or directories exist | Displaying any unowned files or directories"
ansible.builtin.debug:
msg: "Warning!! Missing owner on items in {{ rhel_09_6_1_10_audit.stdout_lines }}"
when: rhel_09_6_1_10_unowned_files_found
- name: "6.1.10 | AUDIT | Ensure no unowned files or directories exist | warning"
ansible.builtin.import_tasks:
file: warning_facts.yml
vars:
warn_control_id: '6.1.10'
when: rhel_09_6_1_10_unowned_files_found
vars:
rhel_09_6_1_10_unowned_files_found: false
- name: "6.1.3 | PATCH | Ensure cryptographic mechanisms are used to protect the integrity of audit tools"
when:
- rhel9cis_rule_6_1_10
- rhel9cis_rule_6_1_3
- not system_is_ec2
tags:
- level1-server
- level1-workstation
- audit
- files
- permissions
- rule_6.1.10
- name: "6.1.11 | AUDIT | Ensure no ungrouped files or directories exist"
block:
- name: "6.1.11 | AUDIT | Ensure no ungrouped files or directories exist | Finding all ungrouped files or directories"
ansible.builtin.shell: find "{{ item.mount }}" -xdev -nogroup
check_mode: false
failed_when: false
changed_when: false
register: rhel_09_6_1_11_audit
loop: "{{ ansible_facts.mounts }}"
loop_control:
label: "{{ item.mount }}"
when:
- item['device'].startswith('/dev')
- not 'bind' in item['options']
- name: "6.1.11 | AUDIT | Ensure no ungrouped files or directories exist | set fact"
ansible.builtin.set_fact:
rhel_09_6_1_11_ungrouped_files_found: true
loop: "{{ rhel_09_6_1_11_audit.results }}"
when:
- item | length > 0
- item.stdout is defined # skipped items are part of results list, but don't have the registered module properties
- item.stdout | length > 0
- name: "6.1.11 | AUDIT | Ensure no ungrouped files or directories exist | Displaying all ungrouped files or directories"
ansible.builtin.debug:
msg: "Warning!! Missing group on items in {{ rhel_09_6_1_11_audit.stdout_lines }}"
when: rhel_09_6_1_11_ungrouped_files_found
- name: "6.1.11 | AUDIT | Ensure no ungrouped files or directories exist | warning"
ansible.builtin.import_tasks:
file: warning_facts.yml
vars:
warn_control_id: '6.1.11'
when: rhel_09_6_1_11_ungrouped_files_found
vars:
rhel_09_6_1_11_ungrouped_files_found: false
when:
- rhel9cis_rule_6_1_11
tags:
- level1-server
- level1-workstation
- audit
- files
- permissions
- rule_6.1.11
- name: "6.1.12 | PATCH | Ensure sticky bit is set on all world-writable directories"
ansible.builtin.shell: df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -type d -perm -0002 2>/dev/null | xargs chmod a+t
changed_when: false
failed_when: false
when:
- rhel9cis_rule_6_1_12
tags:
- level1-server
- level1-workstation
- patch
- stickybits
- permissons
- rule_6.1.12
- name: "6.1.13 | AUDIT | Audit SUID executables"
block:
- name: "6.1.13 | AUDIT | Audit SUID executables | Find all SUID executables"
ansible.builtin.shell: "df --local -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_suid_perms
- name: "6.1.13 | AUDIT | Audit SUID executables | Alert SUID executables exist"
ansible.builtin.debug:
msg: "Warning!! SUID set on items in {{ rhel_09_6_1_13_suid_perms.stdout_lines }}"
when:
- rhel_09_6_1_13_suid_perms.stdout is defined
- rhel_09_6_1_13_suid_perms.stdout | length > 0
- name: "6.1.13 | AUDIT | Audit SUID executables | Alert SUID executables exist | warning"
ansible.builtin.import_tasks:
file: warning_facts.yml
vars:
warn_control_id: '6.1.13'
when:
- rhel_09_6_1_13_suid_perms.stdout is defined
- rhel_09_6_1_13_suid_perms.stdout | length > 0
vars:
rhel9_6_1_13_suid_found: false
when:
- rhel9cis_rule_6_1_13
tags:
- level1-server
- level1-workstation
- manual
- audit
- files
- rule_6.1.13
- name: "6.1.14 | AUDIT | Audit SGID executables"
block:
- name: "6.1.14 | AUDIT | Audit SGID executables | Find all SGID executables"
ansible.builtin.shell: df --local -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_sgid_perms
- name: "6.1.14 | AUDIT | Audit SGID executables | Alert SGID executables exist"
ansible.builtin.debug:
msg: "Warning!! SGID set on items in {{ rhel_09_6_1_14_sgid_perms.stdout_lines }}"
when:
- rhel_09_6_1_14_sgid_perms.stdout is defined
- rhel_09_6_1_14_sgid_perms.stdout | length > 0
- name: "6.1.14 | AUDIT | Audit SGID executables| warning"
ansible.builtin.import_tasks:
file: warning_facts.yml
vars:
warn_control_id: '6.1.14'
when:
- rhel_09_6_1_14_sgid_perms.stdout is defined
- rhel_09_6_1_14_sgid_perms.stdout | length > 0
vars:
rhel9_6_1_14_sgid_found: false
when:
- rhel9cis_rule_6_1_14
tags:
- level1-server
- level1-workstation
- manual
- audit
- files
- rule_6.1.14
- name: "6.1.15 | AUDIT | Audit system file permissions"
block:
- name: "6.1.15 | AUDIT | Audit system file permissions | Audit the packages"
ansible.builtin.shell: rpm -Va --nomtime --nosize --nomd5 --nolinkto
changed_when: false
failed_when: false
register: rhel9cis_6_1_15_packages_rpm
- name: "6.1.15 | AUDIT | Audit system file permissions | Create list and warning"
block:
- name: "6.1.15 | AUDIT | Audit system file permissions | Add file discrepancy list to system"
ansible.builtin.copy:
dest: "{{ rhel9cis_rpm_audit_file }}" # noqa template-instead-of-copy
content: "{{ rhel9cis_6_1_15_packages_rpm.stdout }}"
owner: root
group: root
mode: '0640'
- name: "6.1.15 | AUDIT | Audit system file permissions | Message out alert for package descrepancies"
ansible.builtin.debug:
msg: |
"Warning!! You have some package descrepancies issues.
The file list can be found in {{ rhel9cis_rpm_audit_file }}"
- name: "6.1.15 | AUDIT | Audit system file permissions | warning count"
ansible.builtin.import_tasks:
file: warning_facts.yml
vars:
warn_control_id: '6.1.15'
when: rhel9cis_6_1_15_packages_rpm.stdout|length > 0
when:
- rhel9cis_rule_6_1_15
tags:
- level2-server
- level2-workstation
- manual
- audit
- permissions
- rule_6.1.15
- level1-server
- level1-workstation
- aide
- file_integrity
- patch
- rule_6.1.3
ansible.builtin.blockinfile:
path: /etc/aide.conf
marker: "# {mark} Audit tools - CIS benchmark - Ansible-lockdown"
block: |
/usr/sbin/auditctl p+i+n+u+g+s+b+acl+xattrs+sha512
/usr/sbin/auditd p+i+n+u+g+s+b+acl+xattrs+sha512
/usr/sbin/augenrules p+i+n+u+g+s+b+acl+xattrs+sha512
/usr/sbin/aureport p+i+n+u+g+s+b+acl+xattrs+sha512
/usr/sbin/ausearch p+i+n+u+g+s+b+acl+xattrs+sha512
/usr/sbin/autrace p+i+n+u+g+s+b+acl+xattrs+sha512
validate: aide -D --config %s