Parvez Anwar has discovered a vulnerability in Yahoo! Widgets, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a boundary error within the YDPCTL.YDPControl.1 (YDPCTL.dll) ActiveX control when handling the "GetComponentVersion()" method. This can be exploited to cause a stack-based buffer overflow by passing an overly long string (greater than 512 bytes) to the affected method.
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in YDPCTL.dll version 2007.4.13.1 included in Yahoo! Widgets version 4.0.3 (build 178). Other versions may also be affected.
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Subject: Yahoo! Widgets YDP ActiveX Control Buffer Overflow Vulnerability
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