full-disclosure - Re: Microsoft Office Excel 2010 memory corruption

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Message-ID: <CADe7mMe=tD6xbnz5OysZfzfriyiuYRGxSTmjgvau_sVE2G4pdA@mail.gmail.com>
Date: Mon, 29 Oct 2012 22:21:24 +0330
From: kaveh ghaemmaghami <kavehghaemmaghami@...glemail.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Microsoft Office Excel 2010 memory corruption

Would you consider software that is used to open local documents and
crashes when you feed it corrupt data defective?

GNAA Security Team  considered

On Mon, Oct 29, 2012 at 5:47 AM, kaveh ghaemmaghami
<kavehghaemmaghami@...glemail.com> wrote:
> Hello list
>
> Dear Peter and others please take a look @ it
>
> Best Regards
> Kaveh Ghaemmaghami
>
> Title     :  Microsoft Office Excel 2010 memory corruption
> Version   :  Microsoft Office professional Plus 2010
> Date      :  2012-10-27
> Vendor    :  http://office.microsoft.com
> Impact    :  Med/High
> Contact   :  coolkaveh [at] rocketmail.com
> Twitter   :  @coolkaveh
> tested    :  XP SP3 ENG
> ###############################################################################
> Bug :
> ----
> memory corruption during the handling of the xls files a
> context-dependent attacker
> can execute arbitrary code  (need investigate )
> ----
> ################################################################################
> (b4c.1350): Access violation - code c0000005 (first chance)
> First chance exceptions are reported before any exception handling.
> This exception may be expected and handled.
> eax=00000584
> ebx=00135070
> ecx=00001000
> edx=0000105f
> esi=06a80800
> edi=00000040
> eip=301ce0d0
> esp=001302f0
> ebp=00131d6c iopl=0         nv up ei pl zr na pe nc
> cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00010246
> *** ERROR: Symbol file could not be found.  Defaulted to export
> symbols for Excel.exe -
> Excel!Ordinal40+0x1ce0d0:
> 301ce0d0 668b5008        mov     dx,word ptr [eax+8]      ds:0023:0000058c=????
> ################################################################################
> Proof of concept included.
> http://www36.zippyshare.com/v/48422905/file.html

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