Apple iTunes before 11.2.1 on OS X sets world-writable permissions for /Users and /Users/Shared during reboots, which allows local users to modify files, and consequently obtain access to arbitrary user accounts, via standard filesystem operations.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Itunes | Apple | * | 11.2 (including) |
| Itunes | Apple | 11.0 (including) | 11.0 (including) |
| Itunes | Apple | 11.0.1 (including) | 11.0.1 (including) |
| Itunes | Apple | 11.0.2 (including) | 11.0.2 (including) |
| Itunes | Apple | 11.0.3 (including) | 11.0.3 (including) |
| Itunes | Apple | 11.0.4 (including) | 11.0.4 (including) |
| Itunes | Apple | 11.0.5 (including) | 11.0.5 (including) |
| Itunes | Apple | 11.1 (including) | 11.1 (including) |
| Itunes | Apple | 11.1.1 (including) | 11.1.1 (including) |
| Itunes | Apple | 11.1.2 (including) | 11.1.2 (including) |
| Itunes | Apple | 11.1.3 (including) | 11.1.3 (including) |
| Itunes | Apple | 11.1.4 (including) | 11.1.4 (including) |
| Itunes | Apple | 11.1.5 (including) | 11.1.5 (including) |