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S-349: Vulnerabilities in Microsoft Excel

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Special Forums Cybersecurity Security Advisories (RSS) S-349: Vulnerabilities in Microsoft Excel
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Old 08-14-2008
S-349: Vulnerabilities in Microsoft Excel
There are multiple remote code execution vulnerabilities in the Excel. An attacker could exploit the vulnerability by opening a specially crafted file which could be hosted on a Web site, or included as an e-mail attachment. The risk is MEDIUM. Depending on the attack scenario, the vulnerability could lead to remote code execution ona user's local Excel client, or it could lead to elevation of privilage within a SharePoint Server.


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excel::writer::xlsx::package::packager

Excel::Writer::XLSX::Package::Packager(3pm)		User Contributed Perl Documentation	       Excel::Writer::XLSX::Package::Packager(3pm)

NAME

       Packager - A class for creating the Excel XLSX package.

SYNOPSIS

       See the documentation for Excel::Writer::XLSX.

DESCRIPTION

       This module is used in conjunction with Excel::Writer::XLSX to create an Excel XLSX container file.

       From Wikipedia: The Open Packaging Conventions (OPC) is a container-file technology initially created by Microsoft to store a combination
       of XML and non-XML files that together form a single entity such as an Open XML Paper Specification (OpenXPS) document.
       <http://en.wikipedia.org/wiki/Open_Packaging_Conventions>.

       At its simplest an Excel XLSX file contains the following elements:

	    ____ [Content_Types].xml
	   |
	   |____ docProps
	   | |____ app.xml
	   | |____ core.xml
	   |
	   |____ xl
	   | |____ workbook.xml
	   | |____ worksheets
	   | | |____ sheet1.xml
	   | |
	   | |____ styles.xml
	   | |
	   | |____ theme
	   | | |____ theme1.xml
	   | |
	   | |_____rels
	   |   |____ workbook.xml.rels
	   |
	   |_____rels
	     |____ .rels

       The "Excel::Writer::XLSX::Package::Packager" class co-ordinates the classes that represent the elements of the package and writes them into
       the XLSX file.

AUTHOR

       John McNamara jmcnamara@cpan.org

COPYRIGHT

       X MM-MMXII, John McNamara.

       All Rights Reserved. This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.

LICENSE

       Either the Perl Artistic Licence <http://dev.perl.org/licenses/artistic.html> or the GPL
       <http://www.opensource.org/licenses/gpl-license.php>.

DISCLAIMER OF WARRANTY

       See the documentation for Excel::Writer::XLSX.

perl v5.10.1							    2012-04-02			       Excel::Writer::XLSX::Package::Packager(3pm)