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.
| Software | From | Fixed in |
|---|---|---|
| apple / itunes | - | 11.2.x |
| apple / itunes | 11.0 | 11.0.x |
| apple / itunes | 11.0.1 | 11.0.1.x |
| apple / itunes | 11.0.2 | 11.0.2.x |
| apple / itunes | 11.0.3 | 11.0.3.x |
| apple / itunes | 11.0.4 | 11.0.4.x |
| apple / itunes | 11.0.5 | 11.0.5.x |
| apple / itunes | 11.1 | 11.1.x |
| apple / itunes | 11.1.1 | 11.1.1.x |
| apple / itunes | 11.1.2 | 11.1.2.x |
| apple / itunes | 11.1.3 | 11.1.3.x |
| apple / itunes | 11.1.4 | 11.1.4.x |
| apple / itunes | 11.1.5 | 11.1.5.x |