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Insecure Library Loading
Highly critical

SigPlus Pro ActiveX Control Multiple Vulnerabilities

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Release Date:  2011-02-03    Views:  2,834

Secunia Advisory SA42800

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

CVE Reference(s):

Description


Secunia Research has discovered multiple vulnerabilities in SigPlus Pro ActiveX control, which can be exploited by malicious people to compromise a user's system.

1) A boundary error when processing the "KeyString" property can be exploited to cause a heap-based buffer overflow via an overly long string.

2) A boundary error when processing the "SetLocalIniFilePath()" method can be exploited to cause a heap-based buffer overflow via an overly long string passed in the "NewPath" parameter.

3) An error due to an unsafe "SetLogFilePath()" method creating a log file in a specified location can be exploited in combination with e.g. the "SigMessage()" method to create an arbitrary file with controlled content.

4) A boundary error when processing the "SetTabletPortPath()" method can be exploited to cause a heap-based buffer overflow via an overly long string passed in the "NewPortPath" parameter.

Successful exploitation of these vulnerabilities allows execution of arbitrary code.

The vulnerabilities are confirmed in version 3.95. Other versions may also be affected.


Solution:
Upgrade to version 4.29.

Provided and/or discovered by:
Dmitriy Pletnev, Secunia Research.

Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2011-1/
http://secunia.com/secunia_research/2011-2/

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: SigPlus Pro ActiveX Control Multiple Vulnerabilities

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