Houssamix has discovered a vulnerability in AAA EasyGrid ActiveX, which can be exploited by malicious people to overwrite arbitrary files.
The vulnerability is caused due to the EasyGrid.SGCtrl.32 ActiveX control (EasyGrid.ocx) containing the insecure "DoSaveFile()" method. This can be exploited to corrupt arbitrary files in the context of the currently logged-on user.
The vulnerability is confirmed in version 3.51 (EasyGrid.ocx version 188.8.131.52). Other versions may also be affected.
Solution: Set the kill-bit for the affected ActiveX control.
Provided and/or discovered by: Houssamix
Original Advisory: http://milw0rm.com/exploits/7779
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Subject: AAA EasyGrid ActiveX Control "DoSaveFile()" Insecure Method
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