The OS X system must allow only applications downloaded from the App Store to run.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-76085	AOSX-12-000710	SV-90773r1_rule		Medium

Description
Gatekeeper settings must be configured correctly to only allow the system to run applications downloaded from the Mac App Store or applications signed with a valid Apple Developer ID code. Administrator users will still have the option to override these settings on a per-app basis. Gatekeeper is a security feature that ensures that applications must be digitally signed by an Apple-issued certificate in order to run. Digital signatures allow the OS X to verify that the application has not been modified by a malicious third party.

Description

Gatekeeper settings must be configured correctly to only allow the system to run applications downloaded from the Mac App Store or applications signed with a valid Apple Developer ID code. Administrator users will still have the option to override these settings on a per-app basis. Gatekeeper is a security feature that ensures that applications must be digitally signed by an Apple-issued certificate in order to run. Digital signatures allow the OS X to verify that the application has not been modified by a malicious third party.

STIG	Date
Apple OS X 10.12 Security Technical Implementation Guide	2018-01-04

Details

Check Text ( C-75769r1_chk )
To verify only applications downloaded from the App Store are allowed to run, type the following command: /usr/sbin/system_profiler SPConfigurationProfileDataType \| /usr/bin/grep EnableAssessment If "EnableAssessment" is not set to "1", this is a finding. /usr/sbin/system_profiler SPConfigurationProfileDataType \| /usr/bin/grep AllowIdentifiedDevelopers If "AllowIdentifiedDevelopers" is not set to "1", this is a finding.

Check Text ( C-75769r1_chk )

To verify only applications downloaded from the App Store are allowed to run, type the following command:

/usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep EnableAssessment

If "EnableAssessment" is not set to "1", this is a finding.

/usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep AllowIdentifiedDevelopers

If "AllowIdentifiedDevelopers" is not set to "1", this is a finding.

Fix Text (F-82723r1_fix)
This setting is enforced using the "Security and Privacy Policy" configuration profile.