Visagesoft eXPert PDF Viewer ActiveX Control File Overwrite Vulnerability

The host is installed with eXPert PDF Viewer ActiveX and is prone to ActiveX Control based file overwrite vulnerability.
Successful exploitation will allow to overwrite arbitrary files. Impact Level: Application
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one. A workaround is to Set the kill-bit for the CLSID {BDF3E9D2-5F7A-4F4A-A914-7498C862EA6A}.
The flaw is due to insecure method, 'savePageAsBitmap()' in VSPDFViewerX.ocx ActiveX Control. This can be exploited to corrupt arbitrary files on the local system via arguments passed to the affected method.
Visagesoft eXPert PDF Viewer ActiveX Control versions 3.0.990.0 and prior

Updated on 2017-03-28