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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <17b0fcab0603161341v61b4feeeq@mail.gmail.com>
Date: Fri, 17 Mar 2006 10:41:12 +1300
From: "Jamie Riden" <jamie.riden@...il.com>
To: "Michal Zalewski" <lcamtuf@...ne.ids.pl>
Cc: bugtraq@...urityfocus.com
Subject: Re: Remote overflow in MSIE script action handlers (mshtml.dll)


Confirmed on XP SP2, latest greatest, etc.

"Unhandled exception at 0x7dcfa61d in iexplore.exe: 0xC0000005: Access
violation writing location 0x002911d8."

I had to shut all (Windows) explorer and Internet Explorer windows first though.

cheers,
 Jamie

On 17/03/06, Michal Zalewski <lcamtuf@...ne.ids.pl> wrote:
> 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
>