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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-220030 GEN001520 SV-220030r603265_rule 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 10 SPARC Security Technical Implementation Guide 2022-09-07

Details

Check Text ( C-21739r482987_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-21738r482988_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.