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RHEL-10-400265 RHEL 10 must enforce mode "0644" or less permissive for the "/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 the "/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

If the "/etc/passwd" file is writable by a group-owner or the world, the risk of its compromise is increased. The file contains the list of accounts on the system and associated information, and protection of this file is critical for system security.

Related controls

CCI-000213

Fix

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