Verify Permissions on /etc/security/opasswd File
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Description
To properly set the permissions of /etc/security/opasswd, run the command:
$ sudo chmod 0600 /etc/security/opasswd
Rationale
The /etc/security/opasswd file stores old passwords to prevent
password reuse. Protection of this file is critical for system security.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
chmod u-xs,g-xwrs,o-xwrt /etc/security/opasswd
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Test for existence /etc/security/opasswd
stat:
path: /etc/security/opasswd
register: file_exists
tags:
- configure_strategy
- file_permissions_etc_security_opasswd
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- name: Ensure permission u-xs,g-xwrs,o-xwrt on /etc/security/opasswd
file:
path: /etc/security/opasswd
mode: u-xs,g-xwrs,o-xwrt
when: file_exists.stat is defined and file_exists.stat.exists
tags:
- configure_strategy
- file_permissions_etc_security_opasswd
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
