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TITLE:
Chilkat Socket ActiveX Component "SaveLastError()" Insecure Method

SECUNIA ADVISORY ID:
SA32738

VERIFY ADVISORY:
http://secunia.com/advisories/32738/

CRITICAL:
Less critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
Chilkat Socket ActiveX Component 2.x
http://secunia.com/advisories/product/20521/

DESCRIPTION:
Zigma has discovered a vulnerability in Chilkat Socket ActiveX
Component, which can be exploited by malicious people to overwrite
arbitrary files.

The vulnerability is caused due to the ChilkatSocket.ChilkatSocket.1
ActiveX control (ChilkatSocket.dll) including the insecure
"SaveLastError()" method. This can be exploited to overwrite and
corrupt arbitrary files on the system in the context of the currently
logged-on user.

This may be related to:
SA29581

The vulnerability is confirmed in ChilkatSocket.dll version 2.3.1.1.
Other versions may also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX control.

PROVIDED AND/OR DISCOVERED BY:
Zigma, Underz0ne Crew

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7142

OTHER REFERENCES:
SA29581:
http://secunia.com/advisories/29581/

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