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T-003: Vulnerabilities in Microsoft Excel

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Special Forums Cybersecurity Security Advisories (RSS) T-003: Vulnerabilities in Microsoft Excel
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Old 11-13-2008
T-003: Vulnerabilities in Microsoft Excel
Several remote code execution vulnerabilities exist in the way Microsoft Excel: 1) processes a VBA Performance Cache; 2) an improper memory allocationwhenloading Excel objects; and 3) a formula parsing vulnerability when parsing Microsoft Excel documents containing a specially crafted formula embedded inside a cell. The risk is MEDIUM. An attacker who successfully exploited this vulnerability could take complete control of an affected system.


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excel::template::container::conditional

Excel::Template::Container::Conditional(3pm)		User Contributed Perl Documentation	      Excel::Template::Container::Conditional(3pm)

NAME

       Excel::Template::Container::Conditional - Excel::Template::Container::Conditional

PURPOSE

       To provide conditional execution of children nodes

NODE NAME

       IF

INHERITANCE

       CONTAINER

ATTRIBUTES

       o   NAME

	   This is the name of the parameter to test. It is resolved like any other parameter name. (q.v. VAR for more info.)

       o   VALUE

	   If VALUE is set, then a comparison operation is done. The value of NAME is compared to VALUE using the value of OP.

       o   OP

	   If VALUE is set, then this is checked. If it isn't present, then '==' (numeric equality) is assumed. OP must be one of Perl the numeric
	   comparison operators or the string comparison operators. All 6 of each kind is supported.

	   Note: If you want to use < or <=, you must instead use &lt; or &lt;=. This is to make sure it will parse with XML::Parser. You should
	   not need to use &gt; or &gt;= instead of > and >=, respectively.

       o   IS

	   If VALUE is not set, then IS is checked. IS is allowed to be either "TRUE" or "FALSE". The boolean value of NAME is checked against IS.

CHILDREN

       None

EFFECTS

       None

DEPENDENCIES

       None

USAGE

	 <if name="__ODD__" is="false">
	   ... Children here
	 </if>

       In the above example, the children will be executed if the value of __ODD__ (which is set by the LOOP node) is false. So, for all even
       iterations.

AUTHOR

       Rob Kinyon (rob.kinyon@gmail.com)

SEE ALSO

       LOOP, VAR

perl v5.14.2							    2010-06-17			      Excel::Template::Container::Conditional(3pm)