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2003: 2,700 advisories published
2004: 3,100 advisories published
2005: 4,600 advisories published
2006: 5,300 advisories published

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TITLE:
Xunlei Thunder XPPlayer Class "FlvPlayerUrl" Property Handling Buffer
Overflow

SECUNIA ADVISORY ID:
SA27795

VERIFY ADVISORY:
http://secunia.com/advisories/27795/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Xunlei Thunder 5.x
http://secunia.com/product/15874/

DESCRIPTION:
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 5.7.4.401. 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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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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