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Re: ICQ Buffer Overflow Exploit

daemon@ATHENA.MIT.EDU (Nick Summy)
Thu Jan 20 16:41:02 2000

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Message-Id:  <38860EC2.89D389A8@shakur.net>
Date:         Wed, 19 Jan 2000 13:21:38 -0600
Reply-To: Nick Summy <doggystyle@SHAKUR.NET>
From: Nick Summy <doggystyle@SHAKUR.NET>
X-To:         BUGTRAQ <BUGTRAQ@SECURITYFOCUS.COM>
To: BUGTRAQ@SECURITYFOCUS.COM

Not difficult at all,  if anyone has ever though about it,  here
http://www.student.nada.kth.se/~d95-mih/icq/   is a webpage that  explains a
lot about the ICQ protocol,  it also explains a little about AOL's

- Nick

Bryce Walter wrote:

> Yes, but how tough would it be to write your own client to send msgs on the
> icq network.  MS did it w/ AOL's instant messenger.  :)
>
> >I have been playing with this bug a little, and it seems that ICQ only
> >picks
> >up oversize messages when they are keyed in, and not when they are pasted.
> >maybe it wouldn't be so bad if this was fixed so that at least the client
> >couldn't be used to execute this attack. :-/
>
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