Verify Group Who Owns group File
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Description
To properly set the group owner of /etc/group, run the command:
$ sudo chgrp root /etc/group
Rationale
The /etc/group file contains information regarding groups that are configured
on the system. Protection of this file is important for system security.
Shell script
The following script can be run on the host to remediate the issue.
#!/bin/bash
chgrp -L 0 /etc/group
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Test for existence /etc/group
stat:
path: /etc/group
register: file_exists
tags:
- CJIS-5.5.2.2
- NIST-800-53-AC-6(1)
- NIST-800-53-CM-6(a)
- PCI-DSS-Req-8.7.c
- PCI-DSSv4-2.2.6
- configure_strategy
- file_groupowner_etc_group
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
- name: Ensure group owner 0 on /etc/group
file:
path: /etc/group
group: '0'
when: file_exists.stat is defined and file_exists.stat.exists
tags:
- CJIS-5.5.2.2
- NIST-800-53-AC-6(1)
- NIST-800-53-CM-6(a)
- PCI-DSS-Req-8.7.c
- PCI-DSSv4-2.2.6
- configure_strategy
- file_groupowner_etc_group
- low_complexity
- low_disruption
- medium_severity
- no_reboot_needed
