[NT] Microsoft Excel Rich Text Memory Corruption Vulnerability (MS08-014)
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- Date: 16 Mar 2008 14:49:00 +0200
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Microsoft Excel Rich Text Memory Corruption Vulnerability (MS08-014)
A vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Microsoft Office Excel. Exploitation requires
that the attacker coerce the target into opening a malicious .XLS file.
* Microsoft Office Excel 2003
* Microsoft Office Excel 2002
* Microsoft Office Excel 2000
The specific flaw exists within the parsing of the BIFF file format used
by Microsoft Excel. During the processing of a malformed tag a heap
allocation can be adversely controlled. When user supplied data is copied
to a heap buffer the resulting data results in a arbitrary memory
overwrite. If successfully exploited this could lead to system compromise
under the credentials of the currently logged in user.
Microsoft has issued an update to correct this vulnerability. More details
can be found at:
2007-10-17 - Vulnerability reported to vendor
2008-03-11 - Coordinated public release of advisory
The information has been provided by <mailto:dvlabs@xxxxxxxxxxxxxxxx>
The original article can be found at:
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