macOS 15 - Sequoia

The macOS system must prevent Apple Watch from terminating a session lock

STIG ID: APPL-15-000001 | SRG: SRG-OS-000028-GPOS-00009 | Severity: Medium | CCI: CCI-000056 | Vulnerability ID: V-268420

Description

Apple Watches are not an approved authenticator and their use must be disabled.Disabling Apple Watches is a necessary step to ensuring that the information system retains a session lock until the user reestablishes access using an authorized identification and authentication procedures.NOTE: Unlocking the system with an Apple Watch is not an approved authenticator for U.S. Federal Government usage as it has not been verified to meet the strength requirements outlined in NIST SP 800-63.

Check

C-268420r1034200_chk

Verify the macOS system is configured to prevent Apple Watch from terminating a session lock with the following command:/usr/bin/osascript -l JavaScript << EOS$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\.objectForKey('allowAutoUnlock').jsEOSIf the result is not "false", this is a finding.

Fix

F-72351r1034199_fix

Configure the macOS system to prevent Apple Watch from terminating a session lock by installing the "com.apple.applicationaccess" configuration profile.