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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::xmlwritersimple

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

NAME

       XMLwriterSimple - Light weight re-implementation of XML::Writer.

       This module is used internally by Excel::Writer::XLSX.

DESCRIPTION

       This module is used by Excel::Writer::XLSX for writing XML documents. It is a light weight re-implementation of XML::Writer.

       XMLwriterSimple is approximately twice as fast as XML::Writer. This speed is achieved at the expense of error and correctness checking. In
       addition not all of the XML::Writer methods are implemented. As such, XMLwriterSimple is not recommended for use outside of
       Excel::Writer::XLSX.

       If required XMLwriterSimple can be overridden and XML::Writer can be used in its place by setting an "_EXCEL_WRITER_XLSX_USE_XML_WRITER"
       environmental variable:

	   export _EXCEL_WRITER_XLSX_USE_XML_WRITER=1
	   perl example.pl

	   Or for one off programs:

	   _EXCEL_WRITER_XLSX_USE_XML_WRITER=1 perl example.pl

       This technique is used for verifying the test suite with both XMLwriterSimple and XML::Writer:

	   _EXCEL_WRITER_XLSX_USE_XML_WRITER=1 prove -l -r t

SEE ALSO

       XML::Writer.

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::XMLwriterSimple(3pm)