Apple OS X 10.12 Security Technical Implementation Guide

The Apple OS X 10.12 Security Technical Implementation Guide (V1 R6) has 122 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 · R6

CurrentPublished Fri Jan 24 2020

The OS X system must be configured to disable SMB File Sharing unless it is required.

Apple OS X 10.12 Security Technical Implementation Guide

Assessment Title

Rule Text

The OS X system must be configured to disable SMB File Sharing unless it is required.

Description

Discussion Text

File Sharing is usually non-essential and must be disabled if not required. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized.

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

Objective

V-75987

Rule

SV-90675r1_rule

Severity

medium

Rule Version

AOSX-12-000139

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

If SMB File Sharing is required, this is not applicable.

To check if the SMB File Sharing service is disabled, use the following command:

/usr/bin/sudo /bin/launchctl print-disabled system | /usr/bin/grep com.apple.smbd

If the results do not show the following, this is a finding:

"com.apple.smbd" => true

Implementation Procedure

Fix Text

To disable the SMB File Sharing service, run the following command:

/usr/bin/sudo /bin/launchctl disable system/com.apple.smbd

The system may need to be restarted for the update to take effect.

STIG check 22 of 122 in the Apple OS X 10.12 STIG checklist

← Previous · V-75985The OS X system must generate audit records for all account creations, modifications, disabling, and termination events; privileged activities or other system-level access; all kernel module load, unload, and restart actions; all program initiations; and organizationally defined events for all non-local maintenance and diagnostic sessions.Next · V-75989 →The OS X system must be configured to disable Apple File (AFP) Sharing.