Verify Permissions on /etc/security/opasswd.old File
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Description
To properly set the permissions of /etc/security/opasswd.old, run the command:
$ sudo chmod 0600 /etc/security/opasswd.old
Rationale
The /etc/security/opasswd.old file stores backups of 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.old
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Test for existence /etc/security/opasswd.old
stat:
path: /etc/security/opasswd.old
register: file_exists
tags:
- configure_strategy
- file_permissions_etc_security_opasswd_old
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- name: Ensure permission u-xs,g-xwrs,o-xwrt on /etc/security/opasswd.old
file:
path: /etc/security/opasswd.old
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_old
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
