Title

Infrared (IR) support must be removed. (Cat II impact)

Discussion

To prevent unauthorized users from controlling a computer through the infrared receiver, remove IR hardware support. This task requires administrator privileges. An Apple Authorized Technician can also remove IR hardware from an Apple computer. IMPORTANT: Repeat these instructions every time a system update is installed.

Check Content

Open a terminal session and view the /System/Library/Extensions folder. Ensure the following file does NOT exist. AppleIRController.kext If the file exists, this is a finding.

Fix Text

Open a terminal session and enter the following commands to remove the file. srm -rf /System/Library/Extensions/AppleIRController.kext sudo touch /System/Library/Extensions NOTE: Repeat these instructions every time a system update is installed.

Additional Identifiers

Rule ID: SV-37206r1_rule

Vulnerability ID: V-25258

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.