full-disclosure - Re: AOL YGP Picture Editor YGPPicEdit.dll Multiple Buffer Overflows

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Message-ID: <9371010.1198767908885.JavaMail.root@elwamui-milano.atl.sa.earthlink.net>
Date: Thu, 27 Dec 2007 10:05:08 -0500 (GMT-05:00)
From: Elazar Broad <elazarb@...thlink.net>
To: "full-disclosure@...ts.grok.org.uk" <full-disclosure@...ts.grok.org.uk>
Subject: Re: AOL YGP Picture Editor YGPPicEdit.dll
 Multiple Buffer Overflows

After some more analysis by Carsten Eiram @ Secunia, this is NOT exploitable. I would like to apologize for the hasty post. SecurityFocus, please update bid 27026 to reflect the fact that at most, this can just crash the browser.

Elazar

-----Original Message-----
>From: Valdis.Kletnieks@...edu
>Sent: Dec 26, 2007 1:28 AM
>To: reepex <reepex@...il.com>
>Cc: Elazar Broad <elazarb@...thlink.net>, full-disclosure@...ts.grok.org.uk
>Subject: Re: [Full-disclosure] AOL YGP Picture Editor YGPPicEdit.dll Multiple Buffer Overflows
>
>On Tue, 25 Dec 2007 21:53:29 CST, reepex said:
>
>> How does a bunch of 'A's prove something is exploitable?
>
>If a bunch of A's causes the EIP to end up as x'41414141', it's 95% of the
>way to being an exploit.  If it gets you some *other* crash, it's probably
>at least 30% to 40% of the way to an exploit.
>
>Go back and read the analysis of the NTP buffer overflow from a number of years
>back.  Truly a classic - they managed to leverage a *one byte* overflow into
>a complete and total rooting of the box.

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