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>> Office OCX PowerPoint Viewer Multiple Method Remote Code Execution Vulnerability
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Title : Office OCX PowerPoint Viewer Multiple Method Remote Code Execution Vulnerability
VUPEN ID : VUPEN/ADV-2007-1612
CVE ID : CVE-2007-2494
Rated as : Critical 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-05-02
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A vulnerability has been identified in Office OCX PowerPoint Viewer, which could be exploited by remote attackers to cause a denial of service or take complete control of an affected system. This issue is caused by a buffer overflow error in "PowerPointViewer.ocx" when calling certain methods e.g. "HttpDownloadFile()" with overly long arguments, which could be exploited by remote attackers to execute arbitrary commands by tricking a user into visiting a specially crafted web page.
Affected Products
Office OCX PowerPoint Viewer version 3.1.0.3 and prior
Solution
Set a kill bit for the CLSID {97AF4A45-49BE-4485-9F55-91AB40F22B92}.
VUPEN Security is not aware of any vendor-supplied patch.
References
http://www.vupen.com/english/advisories/2007/1612
http://moaxb.blogspot.com/2007/05/moaxb-01-powerpointviewerocx-31.html
Credits
Vulnerability reported by shinnai
ChangeLog
2007-05-02 : Initial release
Vulnerability Management
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