SV-227018r603265: The smb.conf file must be owned by root. | Solaris 10 SPARC STIG SCAP Benchmark

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Assessment Title

Rule Text

The smb.conf file must be owned by root.

Description

Discussion Text

The smb.conf file allows access to other machines on the network and grants permissions to certain users. If it is owned by another user, the file may be maliciously modified and the Samba configuration could be compromised.

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

IA Controls

NIST SP 800-53

Not mappedCCI-000366V-1027SV-40291

References

DPMS Target Solaris 10 SPARC DISA DPMS Target Solaris 10 SPARC 4060

Checks

DISA STIG (Manual Reference)

Check the ownership of the smb.conf file.  Default locations for this file include /etc, /etc/sfw, /etc/samba, and /etc/sfw/samba.  If the system has Samba installed in non-standard locations, also check the smb.conf in those locations.
 
Procedure:
# ls -l /etc/smb.conf /etc/sfw/smb.conf /etc/samba/smb.conf /etc/sfw/samba/smb.conf
 
If a smb.conf file is not owned by root, this is a finding.

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.

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
# OVAL Definition: oval:mil.disa.fso.solaris11:def:359
paths=("/etc/smb.conf" "/etc/sfw/smb.conf" "/etc/samba/smb.conf" "/etc/sfw/samba/smb.conf")
compliant=1
for path in "${paths[@]}"; do
  if [ -f "$path" ]; then
    if [ "$(stat -c '%U' "$path")" != "root" ]; then
      compliant=0
      break
    fi
  fi
done
if [ $compliant -eq 1 ]; then
  echo "PASS"
  exit 0
else
  echo "FAIL"
  exit 1
fi

Remediation

Change the ownership of the smb.conf file.

Procedure:
# chown root /etc/smb.conf /etc/sfw/smb.conf /etc/samba/smb.conf /etc/sfw/samba/smb.conf