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RHEL-09-232045 All RHEL 9 local initialization files must have mode 0740 or less permissive.

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

Maps to CM-6 via CCI-000366

Title

All RHEL 9 local initialization files must have mode 0740 or less permissive.

Control

Verify all local initialization files have a mode of "0740" or less permissive with the following command: Note: The example will be for the "disauser" user, who has a home directory of "/home/disauser". $ sudo find /home /root -maxdepth 2 -type f -name ".*" -perm /037 -ls 755 /home/disauser/.somepermissivefile If any local initialization files are returned, this indicates a mode more permissive than "0740", and this is a finding.

Discussion

Local initialization files are used to configure the user's shell environment upon logon. Malicious modification of these files could compromise accounts upon logon.

Related controls

CCI-000366

Fix

Set the mode of the local initialization files to "0740" with the following command: Note: The example will be for the disauser user, who has a home directory of "/home/disauser". $ sudo chmod 0740 /home/disauser/.