Brian Mariani has discovered a vulnerability in RKD Software BarCode ActiveX, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error within the ABarCode (BarCodeAx.dll) ActiveX control when handling the "BeginPrint()" method. This can be exploited to cause a stack-based buffer overflow by passing an overly-long string as argument to the affected method.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in version 18.104.22.168. Other versions may also be affected.
Solution: Set the kill-bit for the affected ActiveX control.
Provided and/or discovered by: Brian Mariani
Original Advisory: http://goodfellas.shellcode.com.ar/own/VULWAR200706223.txt
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Subject: RKD Software BarCode ActiveX ABarCode ActiveX Control Buffer Overflow
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