Verify Permissions on /var/log/secure File

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Description

To properly set the permissions of /var/log/secure, run the command:

$ sudo chmod 0640 /var/log/secure

Rationale

The /var/log/secure file contains information related to authentication and authorization privileges and should only be accessed by authorized personnel.

Remediation

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/secure

Ansible playbook

The following playbook can be run with Ansible to remediate the issue.

- name: Test for existence /var/log/secure
  stat:
    path: /var/log/secure
  register: file_exists
  tags:
  - configure_strategy
  - file_permissions_var_log_secure
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed

- name: Ensure permission u-xs,g-xws,o-xwrt on /var/log/secure
  file:
    path: /var/log/secure
    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_secure
  - low_complexity
  - low_disruption
  - medium_severity
  - no_reboot_needed