bugtraq - Cerulean Studios Trillian 0.74i buffer overflow in MSN module

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Message-ID: <413E2CEB.10800@interfree.it>
Date: Tue, 07 Sep 2004 23:49:31 +0200
From: Komrade <giocasati@...erfree.it>
To: full-disclosure@...ts.netsys.com, bugtraq@...urityfocus.com
Subject: Cerulean Studios Trillian 0.74i buffer overflow in MSN module

PRODUCT
Trillian is a chat client currently supporting IRC, AIM, ICQ, MSN
Messenger, and Yahoo! Messenger. (from readme.txt file)

DETAILS
A buffer overflow vulnerability in basic edition version 0.74i (latest
version) occours in the MSN module when receiving a string of around
4096 bytes ended with a newline character from an MSN messenger server.
This vulnerability is remotely exploitable but require the use of the
man-in-the-middle technique.

EXPLOIT
See attached file trillianbof.c

VENDOR STATUS
I notified this vulnerability to the vendor on 31/08/04 but they haven't
reply.

-- 
- Komrade -
- http://unsecure.altervista.org -

View attachment "trillianbof.c" of type "text/plain" (3942 bytes)