All interactive users' home directories must be group-owned by the home directory owner's primary group.

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All interactive users' home directories must be group-owned by the home directory owner's primary group.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-903	GEN001520	SV-903r2_rule	ECLP-1	Medium

Description
If the GID of the home directory is not the same as the GID of the user, this would allow unauthorized access to files.

STIG	Date
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2017-12-08

Details

Check Text ( C-8019r3_chk )
Check the group ownership for each user in the /etc/passwd file. Procedure: # ls -lLd If any user's home directory is not group-owned by the assigned user's primary group, this is a finding. Home directories for application accounts requiring different group ownership must be documented using site-defined procedures.

Fix Text (F-1057r3_fix)
Change the group owner for user's home directories to the primary group of the assigned user. Procedure: # chgrp groupname directoryname (Replace examples with appropriate group and home directory.) Document all changes.