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 not accept source-routed IPv4 packets.

Apple OS X 10.12 Security Technical Implementation Guide

Assessment Title

Rule Text

The OS X system must not accept source-routed IPv4 packets.

Description

Discussion Text

A source-routed packet attempts to specify the network path the packet should take. If the system is not configured to block the incoming source-routed packets, an attacker can redirect the system's network traffic. Configuring the system to drop incoming source-routed IPv4 packets mitigates this risk.

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

Objective

V-76269

Rule

SV-90957r1_rule

Severity

medium

Rule Version

AOSX-12-001195

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

To check if the system is configured to accept "source-routed" packets, run the following command:

sysctl net.inet.ip.accept_sourceroute

If the value is not "0", this is a finding.

Implementation Procedure

Fix Text

To configure the system to not accept "source-routed" packets, add the following line to "/etc/sysctl.conf", creating the file if necessary:

net.inet.ip.accept_sourceroute=0

STIG check 121 of 122 in the Apple OS X 10.12 STIG checklist

← Previous · V-76183The OS X system must prohibit user installation of software without explicit privileged status.Next · V-99043 →The operating system must be a supported release.