RHEL 9 /etc/group file must have mode 0644 or less permissive to prevent unauthorized access.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-257891	RHEL-09-232055	SV-257891r925660_rule		Medium

Description
The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is important for system security.

STIG	Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide	2023-12-01

Details

Check Text ( C-61632r925658_chk )
Verify that the "/etc/group" file has mode "0644" or less permissive with the following command: $ sudo stat -c "%a %n" /etc/group 644 /etc/group If a value of "0644" or less permissive is not returned, this is a finding.

Fix Text (F-61556r925659_fix)
Change the mode of the file "/etc/group" to "0644" by running the following command: $ sudo chmod 0644 /etc/group