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Insecure Library Loading
Extremely critical

Ourgame GLWorld HanGamePluginCn18 Class ActiveX Control Buffer Overflows

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Release Date:  2008-02-06    Last Update:  2008-02-12    Views:  8,756

Secunia Advisory SA28809

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


Two vulnerabilities have been discovered in Ourgame GLWorld, which can be exploited by malicious people to compromise a user's system.

The vulnerabilities are caused due to boundary errors in the HanGamePluginCn18.HanGamePluginCn18.1 ActiveX control (HanGamePluginCn18.dll) when handling strings passed as arguments to the "hgs_startGame()" and "hgs_startNotify()" methods. These can be exploited to cause stack-based buffer overflows by passing overly long strings as argument to the affected methods.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 2.6.1.29. 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.

Original Advisory:
http://www.symantec.com/enterprise/security_response/weblog/2008/02/zeroday_exploit_for_lianzong_g.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Ourgame GLWorld HanGamePluginCn18 Class ActiveX Control Buffer Overflows

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