The macOS system must disable Airplay Receiver.

STIG ID: APPL-14-002080  |  SRG: SRG-OS-000095-GPOS-00049 | Severity: medium |  CCI: CCI-000381,CCI-001443

Vulnerability Discussion

Airplay Receiver allows users to send content from another Apple device to be displayed on the screen as it is being played from another device.

Support for Airplay Receiver is nonessential and must be disabled.

The information system must be configured to provide only essential capabilities.

Satisfies: SRG-OS-000095-GPOS-00049,SRG-OS-000300-GPOS-00118

Check

Verify the macOS system is configured to disable Airplay Receiver with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\
.objectForKey('allowAirPlayIncomingRequests').js
EOS

If the result is not "false", this is a finding.

Fix

Configure the macOS system to disable Airplay Receiver by installing the "com.apple.applicationaccess" configuration profile.