SV-39901r2: All skeleton files (typically in /etc/skel) must be group-owned by root, bin, or sys. | SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE

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Assessment Title

Rule Text

All skeleton files (typically in /etc/skel) must be group-owned by root, bin, or sys.

Description

Discussion Text

If the skeleton files are not protected, unauthorized personnel could change user startup parameters and possibly jeopardize user files.

How this relates to the STIG checklist: STIG vs SCAP benchmark.

IA Controls

NIST SP 800-53

Not mappedCCI-000225

Additional Details

Responsibility

System Administrator

IA Controls

ECLP-1

References

DPMS Target Solaris 9 Sparc DISA DPMS Target Solaris 9 Sparc 21

SCC Automation Reference

The reconstructed evaluation script behind this rule's OVAL check(s) — every module a compound check combines, with this rule's own concrete values and DISA's SCC tool's real per-module mechanism curated from static teardown of SCC releases.

#!/bin/bash
# Reconstructed from oval:mil.disa.fso.solaris11:def:122
# All skeleton files (typically in /etc/skel) must be group-owned by root, bin, or sys.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.
#
# MANUAL REVIEW REQUIRED -- the module(s) below could not be reconstructed
# into working code from curated SCC reference data, and are excluded from
# the automated result:
#   - file_object (file_test) -- All skeleton files must be group owned by root, bin, sys or other: no extractor for field "group_id"

echo "MANUAL REVIEW REQUIRED -- see notes above; no part of this check could be automated"

Remediation

Change the group owner of the skeleton file to root.

Procedure:
# chgrp <group> /etc/skel/[skeleton file]