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RHEL-09-232070 RHEL 9 /etc/gshadow- file must have mode 0000 or less permissive to prevent unauthorized access.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to CM-6 via CCI-000366

Title

RHEL 9 /etc/gshadow- file must have mode 0000 or less permissive to prevent unauthorized access.

Control

Verify 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.

Discussion

The "/etc/gshadow-" file is a backup of "/etc/gshadow", and as such, contains group password hashes. Protection of this file is critical for system security.

Related controls

CCI-000366

Fix

Change the mode of the file "/etc/gshadow-" to "0000" by running the following command: $ sudo chmod 0000 /etc/gshadow-