RE: [Full-Disclosure] RE: Yahoo Instant Messenger YAUTO.DLL buffe r overflow

[david maynor <dave@0dayspray.com>]

I AM 12!!

On Thu, 2003-12-04 at 16:10, Andre Ludwig wrote:
> Just barely.
> 
> Andre Ludwig, CISSP
> 
> -----Original Message-----
> From: dave kleiman [mailto:dave@isecureu.com]
> Sent: Thursday, December 04, 2003 8:53 AM
> To: 'Kristian Hermansen'; full-disclosure@lists.netsys.com
> Subject: RE: [Full-Disclosure] RE: Yahoo Instant Messenger YAUTO.DLL
> buffer overflow
> 
> 
> Is there actually anyone on the list who is over the age of 20?
> 
> 
>  
> _______________________________
> Dave Kleiman, CISSP, MCSE, CIFI
> dave@isecureu.com
> www.SecurityBreachResponse.com
> 
> "High achievement always takes place in the framework of high expectation."
> Jack Kinder
> 
>  
> 
> 
> 
> -----Original Message-----
> From: full-disclosure-admin@lists.netsys.com
> [mailto:full-disclosure-admin@lists.netsys.com] On Behalf Of Kristian
> Hermansen
> Sent: Thursday, December 04, 2003 10:56
> To: full-disclosure@lists.netsys.com
> Subject: RE: [Full-Disclosure] RE: Yahoo Instant Messenger YAUTO.DLL buffer
> overflow
> 
> 
> Dude, thanks for the calc tips!!!  LATE makes perfect sense ;-)
> 
> 
> Kristian Hermansen
> khermansen@ht-technology.com
> 
> -----Original Message-----
> From: List Account [mailto:list.account@cerdant.com] 
> Sent: Thursday, December 04, 2003 10:41 AM
> To: 'Kristian Hermansen'
> Subject: RE: [Full-Disclosure] RE: Yahoo Instant Messenger YAUTO.DLL buffer
> overflow
> 
> Funny you should be talking about Calculus, I'm finishing 152 now (finals
> next week). Integration by parts not that bad. Here's a tip; LATE Logs
> Algebraic Trig Exponentials What this is for is to find u, so that du will
> be something simpler. So to use LATE to find u, try them in order, i.e. is
> there a ln? No, then is there an algebraic function you can integrate?, etc.
> 
> HTH,
> Nathan
> 
> -----Original Message-----
> From: full-disclosure-admin@lists.netsys.com
> [mailto:full-disclosure-admin@lists.netsys.com] On Behalf Of Kristian
> Hermansen
> Sent: Thursday, December 04, 2003 9:19 AM
> To: full-disclosure@lists.netsys.com
> Subject: RE: [Full-Disclosure] RE: Yahoo Instant Messenger YAUTO.DLL buffer
> overflow
> 
> 
> OMFG Tri, hahahahaha!!!  Remember when you couldn't figure out who hijacked
> yer mail/Paypal accounts?  Looks like we know who did it now.  Did he take
> any money from yer Paypal account?  I do agree with one thing that he
> said..."Stop leaking and killing my bug kid. Go to school to learn more."
> Dude you missed calculus class again and don't forget we are doing
> integration by parts/series this week/next week.  Maybe you aren't as slick
> as I thought you were.  Stealing bugs from other people?  Dude, I had a lot
> of respect for you...but now...I'm just not so sure about your "integrity".
> Are you really finding these bugs with OllyDebug/IDAPro, or are you
> monitoring security researchers email accounts to get your info?  Dude, I
> only ask because I believe everyone here has the right to know...
> 
> 
> Kristian Hermansen
> khermansen@ht-technology.com
> 
> -----Original Message-----
> From: full-disclosure-admin@lists.netsys.com
> [mailto:full-disclosure-admin@lists.netsys.com] On Behalf Of De Blanc
> Sent: Thursday, December 04, 2003 2:17 AM
> To: full-disclosure@lists.netsys.com
> Cc: bugtraq@securityfocus.com
> Subject: Re: [Full-Disclosure] RE: Yahoo Instant Messenger YAUTO.DLL buffer
> overflow
> 
> Yeah! Yahoo is sux. Yahoo Messenger has tons of bugs.
> But you are more sux than yahoo since you stole my
> work and posted my found bug to yahoo and bugtraq.
> Funny enough when your little company SentryUnion is
> trying to sell "Indetify Theft" protection service but
> you got owned, stole mail and money from your paypal
> account, logged everything your chatted with gf via
> one another yahoo messenger 0day. 
> 
> Stop leaking and killing my bug kid. Go to school to
> learn more.
> 
> The Blanc
> 
> <trihuynh@zeeup.com> wrote:
> >Hi all,
> >This bug is a lame bug, very lame actually. I release
> it in order to
> >show that how a big company don't even do a basic QA.
> If we look through
> >the security records of YIM, almost any YIM's
> ActiveX/Com
> >components do have some kind of buffer overflow and
> it is very easy
> >to spot them too (by fuzzing the IDispatch
> interface). I have no idea
> >how can QA guys in the YIM project can manage to let
> these
> >dangerous bugs survival through the testing state.
> Maybe they
> >are so busy watching the new "Joe Millionaire" show
> :-))))
> >Trihuynh
> >Sentryunion
> >-----Original Message-----
> >From: full-disclosure-admin@lists.netsys.com
> >[mailto:full-disclosure-admin@lists.netsys.com] On
> Behalf Of Tri Huynh
> >Sent: Wednesday, December 03, 2003 10:07
> >To: full-disclosure@lists.netsys.com;
> bugtraq@securityfocus.com
> >Cc: bugs@securitytracker.com; news@securiteam.com;
> vuln@secunia.com
> >Subject: [Full-Disclosure] Yahoo Instant Messenger
> YAUTO.DLL buffer overflow
> >
> >Yahoo Instant Messenger YAUTO.DLL buffer overflow
> >=================================================
> >PROGRAM: Yahoo Instant Messenger (YIM)
> >HOMEPAGE: http://messenger.yahoo.com
> >VULNERABLE VERSIONS: 5.6.0.1347 and below
> >
> >DESCRIPTION
> >=================================================
> >YIM is one of the most popular instant messenger.
> This is a cool product,
> >that allows me to chat with my gf from a very long
> distant :-).
> >
> >DETAILS
> >=================================================
> >YAUTO.DLL is an ActiveX/COM component that comes with
> Yahoo Install
> >Messenger. YAUTO.DLL is registered under a ProgID
> called "YAuto.NSAuto.1".
> >In this component, there is a function named
> Open(String Url) that will
> >cause a buffer overflow if argument Url is passed
> with a long string. Since
> >this is an ActiveX component, the vulnerability can
> be exploited just by
> >making a website with the correct CLSID of the
> ActiveX and call the function
> >directly. We have successfully exploited the
> vulnerability by making a
> >website that can download a trojan and execute it
> silently.
> >
> >WORKAROUND
> >=================================================
> >Yahoo has been contacted at
> enterprisesales@yahoo-inc.com (this is the only
> >email that I can find on the Yahoo Messenger Site)
> but doesn't response
> >after 1 month. The workaround solution is deleting
> the YAUTO.DLL file in
> >your YIM directory.
> >
> >CREDITS
> >=================================================
> >Discovered by Tri Huynh from SentryUnion
> >
> >DISLAIMER
> >=================================================
> >The information within this paper may change without
> notice. Use of this
> >information constitutes acceptance for use in an AS
> IS condition. There are
> >NO warranties with regard to this information. In no
> event shall the author
> >be liable for any damages whatsoever arising out of
> or in connection with
> >the use or spread of this information. Any use of
> this information is at the
> >user's own risk.
> >
> >FEEDBACK
> >=================================================
> >Please send suggestions, updates, and comments to:
> trihuynh@zeeup.com
> >_______________________________________________
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> >
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