The macOS system must disable the guest account.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-259511 | APPL-14-002063 | SV-259511r958796_rule | Medium |
| Description |
| Guest access must be disabled. Turning off guest access prevents anonymous users from accessing files. |
| STIG | Date |
| Apple macOS 14 (Sonoma) Security Technical Implementation Guide | 2024-12-04 |
Details
| Check Text (C-63250r941153_chk) |
| Verify the macOS system is configured to disable the guest account with the following command: /usr/bin/osascript -l JavaScript << EOS function run() { let pref1 = ObjC.unwrap($.NSUserDefaults.alloc.initWithSuiteName('com.apple.MCX')\ .objectForKey('DisableGuestAccount')) let pref2 = ObjC.unwrap($.NSUserDefaults.alloc.initWithSuiteName('com.apple.MCX')\ .objectForKey('EnableGuestAccount')) if ( pref1 == true && pref2 == false ) { return("true") } else { return("false") } } EOS If the result is not "true", this is a finding. |
| Fix Text (F-63158r941154_fix) |
| Configure the macOS system to disable the guest account by installing the "com.apple.MCX" configuration profile. |