festival_server in Centre for Speech Technology Research (CSTR) Festival, probably 2.0.95-beta and earlier, places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Festival | Cstr | * | 2.0.95 (including) |
| Festival | Cstr | 1.4.1 (including) | 1.4.1 (including) |
| Festival | Cstr | 1.4.2 (including) | 1.4.2 (including) |
| Festival | Cstr | 1.4.3 (including) | 1.4.3 (including) |
| Festival | Cstr | 1.95 (including) | 1.95 (including) |
| Festival | Cstr | 1.96 (including) | 1.96 (including) |