Secunia Security Advisory - Zigma has discovered a vulnerability in Chilkat Socket ActiveX Component, which can be exploited by malicious people to overwrite arbitrary files.
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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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