BugTraq
Re: Remote overflow in MSIE script action handlers (mshtml.dll) Mar 16 2006 09:13PM
Michal Zalewski (lcamtuf dione ids pl)
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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