ansible-lockdown/RHEL9-CIS
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Main task was failing when using an AD account to connect to host.

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With an AD account there isn't an entry in the /etc/shadow file. This
caused the password length check to treat it as a zero length password.
Now local password check is skipped for AD account.
Also added an additional check for a locked local account for the sudo
user.

Signed-off-by: John Foster <robopickle@proton.me>
This commit is contained in:
John Foster 2024-02-13 15:37:39 +00:00
parent 3fe681c0d2
commit 7fde313f85
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GPG key ID: F907E4A9B3537F1B
1 changed files with 25 additions and 8 deletions
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33
tasks/main.yml
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@ -23,19 +23,34 @@
- name: "Check password set for {{ ansible_env.SUDO_USER }}"
block:
- name: "Check password set for {{ ansible_env.SUDO_USER }} | password state"
ansible.builtin.shell: "grep {{ ansible_env.SUDO_USER }} /etc/shadow | awk -F: '{print $2}'"
ansible.builtin.shell: "(grep {{ ansible_env.SUDO_USER }} /etc/shadow || echo 'not found:not found') | awk -F: '{print $2}'"
changed_when: false
failed_when: false
check_mode: false
register: rhel9cis_ansible_user_password_set
- name: "Check password set for {{ ansible_env.SUDO_USER }} | Assert password set and not locked"
ansible.builtin.assert:
that: rhel9cis_ansible_user_password_set.stdout | length != 0 and rhel9cis_ansible_user_password_set.stdout != "!!"
fail_msg: "You have {{ sudo_password_rule }} enabled but the user = {{ ansible_env.SUDO_USER }} has no password set - It can break access"
success_msg: "You have a password set for the {{ ansible_env.SUDO_USER }} user"
vars:
sudo_password_rule: rhel9cis_rule_5_3_4 # pragma: allowlist secret
- name: "Check for local account {{ ansible_env.SUDO_USER }} | Check for local account"
ansible.builtin.debug:
msg: "No local account found for {{ ansible_env.SUDO_USER }} user. Skipping local account checks."
when:
- rhel9cis_ansible_user_password_set.stdout == "not found"
- name: "Check local account"
block:
- name: "Check password set for {{ ansible_env.SUDO_USER }} | Assert local password set"
ansible.builtin.assert:
that:
- rhel9cis_ansible_user_password_set.stdout | length != 0
- rhel9cis_ansible_user_password_set.stdout != "!!"
fail_msg: "You have {{ sudo_password_rule }} enabled but the user = {{ ansible_env.SUDO_USER }} has no password set - It can break access"
success_msg: "You have a password set for the {{ ansible_env.SUDO_USER }} user"
- name: "Check account is not locked for {{ ansible_env.SUDO_USER }} | Assert local account not locked"
ansible.builtin.assert:
that:
- not rhel9cis_ansible_user_password_set.stdout.startswith("!")
fail_msg: "You have {{ sudo_password_rule }} enabled but the user = {{ ansible_env.SUDO_USER }} is locked - It can break access"
success_msg: "The local account is not locked for {{ ansible_env.SUDO_USER }} user"
when:
- rhel9cis_ansible_user_password_set.stdout != "not found"
when:
- rhel9cis_rule_5_3_4
- ansible_env.SUDO_USER is defined
@ -43,6 +58,8 @@
tags:
- user_passwd
- rule_5.3.4
vars:
sudo_password_rule: rhel9cis_rule_5_3_4 # pragma: allowlist secret
- name: Ensure root password is set
block: