A vulnerability has been discovered in Xunlei Thunder, which can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error in xplayer.dll_1_work and can be exploited to cause a heap-based buffer overflow by assigning an overly long (greater than 1060 bytes) string to the "FlvPlayerUrl" property of the PPlayer.XPPlayer.1 ActiveX control (pplayer.dll_1_work).
Successful exploitation allows execution of arbitrary code.
The vulnerability is confirmed in version 188.8.131.521. Other versions may also be affected.
Solution: Set the kill-bit for the affected ActiveX control.
Provided and/or discovered by: Discovered as a 0-day.
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Subject: Xunlei Thunder XPPlayer Class "FlvPlayerUrl" Property Handling Buffer Overflow
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