rgod has discovered a vulnerability in DVRHOST Web CMS OCX, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in the PdvrAtl.PdvrOcx.1 ActiveX control (PDVRATL.DLL) when handling arguments passed to the "TimeSpanFormat()" method. This can be exploited to cause a stack-based buffer overflow by passing an overly-long argument to the affected method.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in PDVRATL.DLL version 126.96.36.199. Other versions may also be affected.
Solution: Set the kill-bit for the affected ActiveX control.
Provided and/or discovered by: rgod
Original Advisory: http://milw0rm.com/exploits/4903
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Subject: DVRHOST Web CMS OCX PdvrOcx Class ActiveX Control Buffer Overflow
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