Verify Permissions on /var/log/messages File
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Description
To properly set the permissions of /var/log/messages, run the command:
$ sudo chmod 0640 /var/log/messages
Rationale
The /var/log/messages file contains logs of error messages in
the system and should only be accessed by authorized personnel.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
chmod u-xs,g-xws,o-xwrt /var/log/messages
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Test for existence /var/log/messages
stat:
path: /var/log/messages
register: file_exists
tags:
- configure_strategy
- file_permissions_var_log_messages
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- name: Ensure permission u-xs,g-xws,o-xwrt on /var/log/messages
file:
path: /var/log/messages
mode: u-xs,g-xws,o-xwrt
when: file_exists.stat is defined and file_exists.stat.exists
tags:
- configure_strategy
- file_permissions_var_log_messages
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
