Mozilla Firefox before 2.0.0.5, when run on Windows, allows remote attackers to bypass file type checks and possibly execute programs via a (1) file:/// or (2) resource: URI with a dangerous extension, followed by a NULL byte (%00) and a safer extension, which causes Firefox to treat the requested file differently than Windows would.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Windows | Microsoft | * | * |
| Firefox | Ubuntu | dapper | * |
| Firefox | Ubuntu | edgy | * |
| Firefox | Ubuntu | feisty | * |
| Iceape | Ubuntu | devel | * |
| Midbrowser | Ubuntu | devel | * |