The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving r and 40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kvirc | Kvirc | 3.0.0 (including) | 3.0.0 (including) |
| Kvirc | Kvirc | 3.0.0-beta1 (including) | 3.0.0-beta1 (including) |
| Kvirc | Kvirc | 3.0.0-beta2 (including) | 3.0.0-beta2 (including) |
| Kvirc | Kvirc | 3.0.1 (including) | 3.0.1 (including) |
| Kvirc | Kvirc | 3.4.0 (including) | 3.4.0 (including) |
| Kvirc | Kvirc | 3.4.2 (including) | 3.4.2 (including) |
| Kvirc | Kvirc | 3.4.2-rc1 (including) | 3.4.2-rc1 (including) |
| Kvirc | Kvirc | 4.0.0 (including) | 4.0.0 (including) |
| Kvirc | Kvirc | 4.0.2 (including) | 4.0.2 (including) |