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All interactive user's 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-39823r1_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
SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE 2015-10-01

Details

Check Text ( C-38698r3_chk )
Check the group ownership for each user in the /etc/passwd file.

Procedure:
# cut -d : -f 6 /etc/passwd | xargs -n1 ls -ld | more

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.