Mozilla Firefox before 20.0 on Android uses world-writable and world-readable permissions for the app_tmp installation directory in the local filesystem, which allows attackers to modify add-ons before installation via an application that leverages the time window during which app_tmp is used.
| Software | From | Fixed in |
|---|---|---|
| mozilla / firefox | - | 19.0.2.x |
| mozilla / firefox | 19.0 | 19.0.x |
| mozilla / firefox | 19.0.1 | 19.0.1.x |