mIRC long nickname buffer overflow
| mirc-nickname-bo (8083) |  High Risk |
Description:
mIRC is vulnerable to a buffer overflow in the handling of long nicknames. By sending a nickname of 200 bytes or more to a remote client connecting to the mIRC server, a remote attacker can overflow a buffer and execute arbitrary code on the victim¿s system with elevated privileges.
Platforms Affected:
- mIRC, mIRC 5.91 and prior
Remedy:
Upgrade to the latest version of mIRC (6.0 or later), available from the mIRC Home page. See References.
Consequences:
Gain Access
References:
- BugTraq Mailing List, Mon Feb 04 2002 - 19:18:23 CST, Re: Buffer overflow in mIRC allowing arbitary code to be executed. at http://archives.neohapsis.com/archives/bugtraq/2002-01/0439.html.
- BugTraq Mailing List, Sat Feb 02 2002 - 18:11:01 CST, Buffer overflow in mIRC allowing arbitary code to be executed. at http://archives.neohapsis.com/archives/bugtraq/2002-01/0433.html.
- mIRC Home page, mIRC - An Internet Relay Chat program at http://www.mirc.com/index.html.
- UUUPPZ Security Advisory, mIRC Nickname buffer overflow at http://www.uuuppz.com/research/adv-001-mirc.htm.
- BID-4027: MIRC Nick Buffer Overflow Vulnerability
- CVE-2002-0231: Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.
Reported:
Feb 02, 2002
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