macOS 15 - Sequoia

The macOS system must enable Authenticated Root

STIG ID: APPL-15-005070 | SRG: SRG-OS-000080-GPOS-00048 | Severity: Medium | CCI: CCI-000213 | Vulnerability ID: V-268565

Description

Authenticated Root must be enabled.When Authenticated Root is enabled, the macOS is booted from a signed volume that is cryptographically protected to prevent tampering with the system volume.NOTE: Authenticated Root is enabled by default on macOS systems.WARNING: If more than one partition with macOS is detected, the csrutil command will hang awaiting input.

Check

C-268565r1034635_chk

Verify the macOS system is configured to enable authenticated root with the following command:/usr/libexec/mdmclient QuerySecurityInfo | /usr/bin/grep -c "AuthenticatedRootVolumeEnabled = 1;"If the result is not "1", this is a finding.

Fix

F-72496r1034634_fix

Configure the macOS system to enable authenticated root with the following command:/usr/bin/csrutil authenticated-root enableNOTE: To reenable "Authenticated Root", boot the affected system into "Recovery" mode, launch "Terminal" from the "Utilities" menu, and run the command.