iTunes Music Sharing must be disabled.

From Apple OS X 10.11 Security Technical Implementation Guide

Part of SRG-OS-000480-GPOS-00227

Associated with: CCI-000366

SV-82213r1_rule iTunes Music Sharing must be disabled.

Vulnerability discussion

When iTunes Music Sharing is enabled, the computer starts a network listening service that shares the contents of the user's music collection with other users in the same subnet. Unnecessary network services should always be disabled because they increase the attack surface of the system. Disabling iTunes Music Sharing mitigates this risk.

Check content

To check if the iTunes music sharing is disabled, run the following command: /usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep disableSharedMusic If "disableSharedMusic" is not set to "1", this is a finding.

Fix text

This setting is enforced using the "Custom Policy" configuration profile.

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