Gadu-Gadu 7.20 does not properly handle MS-DOS device names in filenames, which allows remote attackers to (1) cause a denial of service (hang) via an image filename of AUX: sent twice (hang), or (2) write to the LPT1 port via a filename of LPT1:.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gadu-gadu_instant_messenger | Gadu-gadu | 7.20 (including) | 7.20 (including) |