This issue was addressed with improved validation of the process entitlement and Team ID. This issue is fixed in GarageBand 10.4.9. An app may be able to gain root privileges.
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.
Link | Tags |
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https://support.apple.com/en-us/120299 | vendor advisory |