Alfons Luja has discovered a vulnerability in the FlexCell Grid ActiveX control, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to the FlexCell.Grid ActiveX control (FlexCell.ocx) providing the insecure "HttpDownloadFile()" method. This can be exploited to overwrite arbitrary files on the system in the context of the currently logged-on user.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in FlexCell.ocx version 188.8.131.52. Other versions may also be affected.
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Subject: FlexCell Grid ActiveX Control "HttpDownloadFile()" Arbitrary File Overwrite
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