The macOS system must disable Bluetooth when no approved device is connected.

STIG ID: APPL-14-002062  |  SRG: SRG-OS-000423-GPOS-00187 |  Severity: high |  CCI: CCI-002418 |  Vulnerability Id: V-259510 | 

Vulnerability Discussion

The macOS system must be configured to disable Bluetooth unless an approved device is connected.

[IMPORTANT]
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Information system security officers (ISSOs) may make the risk-based decision not to disable Bluetooth to maintain necessary functionality, but they are advised to first fully weigh the potential risks posed to their organization.
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Satisfies: SRG-OS-000423-GPOS-00187,SRG-OS-000481-GPOS-00481

Check

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

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

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

Fix

Configure the macOS system to disable Bluetooth by installing the "com.apple.MCXBluetooth" configuration profiles.
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