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Insecure Library Loading
Highly critical

Chilkat XML ActiveX Component Insecure Methods

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Release Date:  2008-09-23    Last Update:  2008-10-07    Views:  6,164

Secunia Advisory SA31951

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


shinnai has discovered some vulnerabilities in Chilkat XML ActiveX Component, which can be exploited by malicious people to compromise a user's system.

The vulnerabilities are caused due to the ChilkatUtil.CkData.1 (ChilkatUtil.dll) ActiveX control including the insecure "SaveToFile()" and "AppendBinary()" methods. These can be exploited to create arbitrary files or append data to arbitrary files on the system in the context of the currently logged-on user.

Successful exploitation allows execution of arbitrary code.

The vulnerabilities are confirmed in ChilkatUtil.dll version 3.0.3.0. Other versions may also be affected.


Solution:
Set the kill-bit for the affected ActiveX controls.

Provided and/or discovered by:
shinnai

Original Advisory:
http://www.shinnai.net/index.php?mod=02_Forum&group=Security&argument=Remote_performed_exploits&topic=1222166972.ff.php

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: Chilkat XML ActiveX Component Insecure Methods

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