date: 2005-04-02T00:00:00.000Z
summary: Remote DoS on receiving certain messages over IRC
discoveredBy: Jean-Yves Lefort
The IRC protocol plugin in Gaim 1.2.0, and possibly earlier versions, allows:
1. remote attackers to inject arbitrary Gaim markup via
`irc_msg_kick`,
`irc_msg_mode`,
`irc_msg_part`,
`irc_msg_quit`,
2. remote attackers to inject arbitrary Pango markup and pop up empty dialog
boxes via
`irc_msg_invite`, or
3. malicious IRC servers to cause a denial of service (application crash) by
injecting certain Pango markup into
`irc_msg_badmode`,
`irc_msg_banned`,
`irc_msg_unknown`,
`irc_msg_nochan` functions.
The IRC protocol plugin was modified to escape appropriate messages passed to
