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Insecure Library Loading
Highly critical

EDraw Office Viewer Component ActiveX Control Insecure Method and Buffer Overflow Vulnerabilities

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Release Date:  2007-05-30    Last Update:  2007-06-13    Views:  9,143

Secunia Advisory SA25418

Where:

From remote

Impact:

Manipulation of data, System access

Solution Status:

Unpatched

CVE Reference(s):

Description


shinnai has discovered two vulnerabilities in EDraw Office Viewer Component, which can be exploited by malicious people to delete arbitrary files or compromise a user's system.

1) The vulnerability is caused due to the EDraw Office Viewer Component (edrawofficeviewer.ocx) ActiveX control including the insecure "DeleteLocalFile()" method, which deletes a file specified as an argument. This can be exploited to delete arbitrary files on the system in the context of the currently logged-on user.

2) A boundary error within the EDraw Office Viewer Component (edrawofficeviewer.ocx) ActiveX control when handling the "HttpDownloadFile()" method can be exploited to cause a stack-based buffer overflow via an overly long string passed as argument to the affected method.

Successful exploitation may allow execution of arbitrary code.

The vulnerabilities are confirmed in version 4.5.0.20. 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-28-edraw-office-viewer-component.html
http://moaxb.blogspot.com/2007/05/moaxb-29-edraw-office-viewer-component.html

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: EDraw Office Viewer Component ActiveX Control Insecure Method and Buffer Overflow Vulnerab

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