SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

The SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide (V1 R12) has 550 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R12

CurrentPublished Fri Oct 26 2018

All interactive user home directories must be group-owned by the home directory owners primary group.

SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide

Assessment Title

Rule Text

All interactive user home directories must be group-owned by the home directory owners primary group.

Description

Discussion Text

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.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-903

Rule

SV-46273r1_rule

Severity

medium

Rule Version

GEN001520

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

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.

Implementation Procedure

Fix Text

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 <GID> <user home directory>

Document all changes.

STIG check 506 of 550 in the SUSE Linux Enterprise Server v11 for System z STIG checklist

← Previous · V-902All interactive user home directories must be owned by their respective users.Next · V-904 →All local initialization files must be owned by the home directorys user or root.