Description
IRC Services before 5.0.62, and 5.1 before 5.1pre3, allows remote attackers to disconnect users with guest nicknames by linking a guest nickname to a nickname that is already registered.
References
- ircservices-nickname-dos(34946) vdb-entry
- [IRCServices] 20070610 NS REGISTER and LINK mailing-list
- [IRCServices] 20070610 Services 5.1pre3 / 5.0.62 released mailing-list
- [IRCServices] 20070608 NS REGISTER and LINK mailing-list
- http://www.ircservices.za.net/
- http://www.ircservices.za.net/Changes.txt
- 41692 vdb-entry
- ADV-2007-2440 vdb-entry