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RHEL-10-400270 RHEL 10 must enforce mode "0644" or less permissive for "/etc/passwd-" file to prevent unauthorized access.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to AC-3 via CCI-000213

Title

RHEL 10 must enforce mode "0644" or less permissive for "/etc/passwd-" file to prevent unauthorized access.

Control

Verify RHEL 10 is configured so that the "/etc/passwd-" file has mode "0644" or less permissive with the following command: $ sudo stat -c "%a %n" /etc/passwd- 644 /etc/passwd- If a value of "0644" or less permissive is not returned, this is a finding.

Discussion

The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such contains information about the users that are configured on the system. Protection of this file is critical for system security.

Related controls

CCI-000213

Fix

Configure RHEL 10 so that the mode of the "/etc/passwd-" file is set to "0644" by running the following command: $ sudo chmod 0644 /etc/passwd-