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TITLE:
Autodesk I-drop Indicator ActiveX Control Memory Corruption

SECUNIA ADVISORY ID:
SA34563

VERIFY ADVISORY:
http://secunia.com/advisories/34563/

DESCRIPTION:
Elazar Broad has reported a vulnerability in Autodesk I-drop
Indicator, which can be exploited by malicious people to potentially
compromise a user's system.

The vulnerability is caused due to a use-after-free error in the
idrop.idrop.2 ActiveX control (IDrop.ocx) when handling the "Src",
"Background", and "PackageXml" properties. This can be exploited to
trigger a memory corruption by tricking the user into visiting a
malicious webpage.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in IDrop.ocx version 17.1.51.160. Other
versions may also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX control.

NOTE: Reportedly, the vendor has ceased to provide support for the
application.

PROVIDED AND/OR DISCOVERED BY:
Elazar Broad

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/2009-04/0020.html

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