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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-257892 RHEL-09-232060 SV-257892r991589_rule Medium
Description
The "/etc/group-" file is a backup file of "/etc/group", and as such, 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 2024-06-04

Details

Check Text ( C-61633r925661_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-61557r925662_fix)
Change the mode of the file "/etc/group-" to "0644" by running the following command:

$ sudo chmod 0644 /etc/group-