RHEL 10 must enforce mode "0000" or less permissive for the "/etc/gshadow" file to prevent unauthorized access.

STIG ID: RHEL-10-400255  |  SRG: SRG-OS-000080-GPOS-00048 |  Severity: medium (CAT II)  |  CCI: CCI-000213 |  Vulnerability Id: V-281068

Vulnerability Discussion

The "/etc/gshadow" file contains group password hashes. Protection of this file is critical for system security.

Check

Verify RHEL 10 is configured so that the "/etc/gshadow" file has mode "0000" with the following command:

$ sudo stat -c "%a %n" /etc/gshadow
0 /etc/gshadow

If a value of "0" is not returned, this is a finding.

Fix

Configure RHEL 10 so that the mode of the "/etc/gshadow" file is set to "0000" by running the following command:

$ sudo chmod 0000 /etc/gshadow
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