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APPL-26-005080 The macOS system must prohibit user installation of software into /users/.

DISA STIG library V1R4
All changes in this version
first version loaded CAT II

Maps to CM-11(2) via CCI-003980

Title

The macOS system must prohibit user installation of software into /users/.

Control

Verify the macOS system is configured to prohibit user installation of software into /users/ with the following command: /usr/bin/osascript -l JavaScript << EOS function run() { let pref1 = ObjC.unwrap($.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess.new')\ .objectForKey('familyControlsEnabled')) let pathlist = $.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess.new')\ .objectForKey('pathBlackList').js for ( let app in pathlist ) { if ( ObjC.unwrap(pathlist[app]) == "/Users/" && pref1 == true ){ return("true") } } return("false") } EOS If the result is not "true", this is a finding.

Discussion

Users must not be allowed to install software into /users/. Allowing regular users without explicit privileges to install software presents the risk of untested and potentially malicious software being installed on the system. Explicit privileges (escalated or administrative privileges) provide the regular user with explicit capabilities and control that exceeds the rights of a regular user. [IMPORTANT] ==== Apple has deprecated the use of application restriction controls (https://github.com/apple/device-management/blob/eb51fb0cb9626cac4717858556912c257a734ce0/mdm/profiles/com.apple.applicationaccess.new.yaml#L67-L70). Using these controls may not work as expected. Third party software may be required to fulfill the compliance requirements. ====

Related controls

CCI-003980

Fix

Configure the macOS system to prohibit user installation of software into /users/ by installing the "com.apple.applicationaccess.new" configuration profile.