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All interactive user home directories must be group-owned by the home directory owners primary group.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-903 | GEN001520 | SV-46273r1_rule | Medium |
| Description |
|---|
| If the Group Identifier (GID) of the home directory is not the same as the GID of the user, this would allow unauthorized access to files. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-37527r2_chk ) |
|---|
| Check the group ownership for each user in the /etc/passwd file. Procedure: # cut -d : -f 6 /etc/passwd | xargs -n1 ls -ld If any user 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-32773r1_fix) |
|---|
| Change the group-owner for user home directories to the primary group of the assigned user. Procedure: Find the primary group of the user (GID) which is the fourth field of the user entry in /etc/passwd. # chgrp Document all changes. |