The macOS system must restrict the ability of individuals to write to external optical media.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-252539	APPL-12-005053	SV-252539r816431_rule		Low

Description
External writeable media devices must be disabled for users. External optical media devices can be used to exfiltrate sensitive data if an approved data-loss prevention (DLP) solution is not installed.

STIG	Date
Apple macOS 12 (Monterey) Security Technical Implementation Guide	2022-01-19

Details

Check Text ( C-55995r816429_chk )
Verify the system is configured to disable writing to external optical media devices: $ /usr/sbin/system_profiler SPConfigurationProfileDataType \| /usr/bin/grep 'BurnSupport' BurnSupport = off; If the command does not return a line, this is a finding. If 'BurnSupport' is set to a value other than 'off' and is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Check Text ( C-55995r816429_chk )

Verify the system is configured to disable writing to external optical media devices:

$ /usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep 'BurnSupport'

BurnSupport = off;

If the command does not return a line, this is a finding.
If 'BurnSupport' is set to a value other than 'off' and is not documented with the Information System Security Officer (ISSO) as an operational requirement, this is a finding.

Fix Text (F-55945r816430_fix)
This setting is enforced using the "Restrictions Policy" configuration profile.