full-disclosure - Microsoft Office Excel 2010 memory corruption

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Date: Mon, 29 Oct 2012 05:47:39 +0330
From: kaveh ghaemmaghami <kavehghaemmaghami@...glemail.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Microsoft Office Excel 2010 memory corruption

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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