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Credit:
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-025
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Vulnerable Systems:
* Microsoft Office Excel
User interaction is required to exploit this vulnerability in that the target must open a malicious file.
The specific flaw exists in the decompression of XLSX files. The XLSX file is a ZIP archive of the associated content making up the new Open XML Document. Due to the lack of validation on the ZIP header when decompressing certain XML elements it is possible to execute uninitialized memory. Successful exploitation can lead to remote code execution under the credentials of the currently logged in user.
Patch Availability:
Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/Bulletin/MS10-017.mspx
CVE Information:
CVE-2010-0263
Disclosure Timeline:
2009-07-14 - Vulnerability reported to vendor
2010-03-09 - Coordinated public release of advisory
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