bugtraq - Re: Remote overflow in MSIE script action handlers (mshtml.dll)

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Message-ID: <002501c64996$af302d50$7102a8c0@pune.nevisnetworks.com>
Date: Fri, 17 Mar 2006 13:14:51 +0530
From: "Hariharan" <harij22@...il.com>
To: "Michal Zalewski" <lcamtuf@...ne.ids.pl>,
	"Daniel Bonekeeper" <thehazard@...il.com>
Cc: full-disclosure@...ts.grok.org.uk, vulnwatch@...nwatch.org,
	bugtraq@...urityfocus.com
Subject: Re: Remote overflow in MSIE script action
	handlers (mshtml.dll)


This does not repro on IE7 though

-Hariharan

----- Original Message ----- 
From: "Michal Zalewski" <lcamtuf@...ne.ids.pl>
To: "Daniel Bonekeeper" <thehazard@...il.com>
Cc: <bugtraq@...urityfocus.com>; <vulnwatch@...nwatch.org>; 
<full-disclosure@...ts.grok.org.uk>
Sent: Friday, March 17, 2006 2:43 AM
Subject: Re: Remote overflow in MSIE script action handlers (mshtml.dll)


> On Thu, 16 Mar 2006, Daniel Bonekeeper wrote:
>
>> BTW, tested the POC on MSIE (File Version = 6.00.2900.2180
>> (xpsp_sp2_rtm.040803-2158)) with mshtml.dll (6.00.2900.2802
>> (xpsp_sp2_gdr.051123-1230)) and it didn't worked.
>
> Daniel followed up with me in private and confirmed that the PoC *did*
> work for him when he followed certain additional instructions: because the
> attack depends on memory layout and usage, to get consistent results, be
> sure to close *all* MSIE windows, then go to Start -> Run... and type:
>
>  iexplore http://lcamtuf.coredump.cx/iedie.html
>
> That should crash the browser immediately, because there are no other
> buffers nearby to "absorb" the initial fencepost. Still, if no dice, try
> hitting 'Reload' a couple of times.
>
> /mz 

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