SV-39875r1: The hosts.lpd (or equivalent) file must be group-owned by bin, sys, or system. | AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

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Assessment Title

Rule Text

The hosts.lpd (or equivalent) file must be group-owned by bin, sys, or system.

Description

Discussion Text

Failure to give group ownership of the hosts.lpd file to bin, sys, or system provides the members of the owning group and possible unauthorized users, with the potential to modify the hosts.lpd file. Unauthorized modifications could disrupt access to local printers from authorized remote hosts or permit unauthorized remote access to local printers.

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 AIX 6.1 DISA DPMS Target AIX 6.1 2176

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.aix11:def:243
# The hosts.lpd (or equivalent) file must be group-owned by bin, sys, or system.
# Per-module read mechanism curated from static teardown of DISA's SCC tool
# (SCAP Compliance Checker) -- see the SCC Automation Reference above.

# check /etc/hosts.lpd group-ownership
# file_object (file_test)
test_1() {
  ( [ "$(stat -c '%g' '/etc/hosts.lpd')" -eq 0 ] ) || ( [ "$(stat -c '%g' '/etc/hosts.lpd')" -eq 2 ] ) || ( [ "$(stat -c '%g' '/etc/hosts.lpd')" -eq 3 ] )
}

if test_1; then
  echo "PASS"
else
  echo "FAIL"
fi

Assessment Script Powered by AISandbox-executed

A standalone Shell script to assess this control automatically. Review before running it in your environment.

Syntax-checked and actually executed in an isolated sandbox (not the real system this checks) — confirmed to run without errors.

#!/bin/sh
# This script implements the OVAL definition oval:mil.disa.fso.aix11:def:243
if [ -e /etc/hosts.lpd ] && [ -r /etc/hosts.lpd ]; then stat -c "%G" /etc/hosts.lpd | { grep -qE "^bin|sys|system$" && echo "PASS" && exit 0 || echo "FAIL" && exit 1; } else echo "PASS" && exit 0; fi

Remediation

Change the group owner of the hosts.lpd file.

Procedure:
# chgrp sys /etc/hosts.lpd