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Insecure Library Loading
Highly critical

Zenturi ProgramChecker ActiveX Components ActiveX Control Insecure Methods

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Release Date:  2007-05-31    Last Update:  2007-06-11    Views:  7,801

Secunia Advisory SA25468

Where:

From remote

Impact:

Manipulation of data, System access

Solution Status:

Unpatched

CVE Reference(s):

Description


shinnai has discovered some vulnerabilities in Zenturi ProgramChecker, which can be exploited by malicious people to overwrite or delete arbitrary files or compromise a user's system.

The vulnerabilities are caused due to the Zenturi ProgramChecker ActiveX Components (sasatl.dll) ActiveX control including the following insecure methods:

1) The "DownloadFile()" method allows a website to download a file from an arbitrary URL into an arbitrary location on a user's system. This can be exploited to e.g. place a malicious application into a user's startup folder.

2) The "NavigateUrl()" method allows a website to execute an arbitrary program on a user's system, which when combined with #1 can be exploited to e.g download and execute a malicious file.

3) The "DeleteItem()" and "QuarantineItem()" methods allows a website to delete an arbitrary file on the system in the context of the currently logged-on user.

The vulnerabilities are confirmed in version 1.5.0.531. Other versions may also be affected.


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

Provided and/or discovered by:
shinnai

Original Advisory:
http://moaxb.blogspot.com/2007/05/moaxb-30-zenturi-programchecker-activex.html
http://milw0rm.com/exploits/4049
http://milw0rm.com/exploits/4050

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: Zenturi ProgramChecker ActiveX Components ActiveX Control Insecure Methods

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