Verify User Who Owns gshadow File
Description
To properly set the owner of /etc/gshadow
, run the command:
$ sudo chown root /etc/gshadow
Rationale
The /etc/gshadow
file contains group password hashes. Protection of this file
is critical for system security.
Shell script
The following script can be run on the host to remediate the issue.
Ansible playbook
The following playbook can be run with Ansible to remediate the issue.
- name: Test for existence /etc/gshadow
stat:
path: /etc/gshadow
register: file\_exists
tags:
- NIST-800-53-AC-6(1)
- NIST-800-53-CM-6(a)
- configure\_strategy
- file\_owner\_etc\_gshadow
- low\_complexity
- low\_disruption
- medium\_severity
- no\_reboot\_needed
- name: Ensure owner 0 on /etc/gshadow
file:
path: /etc/gshadow
owner: '0'
when: file\_exists.stat is defined and file\_exists.stat.exists
tags:
- NIST-800-53-AC-6(1)
- NIST-800-53-CM-6(a)
- configure\_strategy
- file\_owner\_etc\_gshadow
- low\_complexity
- low\_disruption
- medium\_severity
- no\_reboot\_needed