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Highly critical

Microsoft Excel Multiple Vulnerabilities

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Release Date:  2008-12-09    Last Update:  2009-01-29    Views:  18,810

Secunia Advisory SA31593

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Microsoft Excel, which can be exploited by malicious people to compromise a user's system.

1) An error while validating an index value in certain records (e.g. NAME records) can be exploited to corrupt memory via a specially crafted Excel Spreadsheet (XLS) file.

2) An unspecified error in the processing of Excel records can be exploited to corrupt memory via a specially crafted XLS file.

3) An unspecified error in the processing of Excel formulas can be exploited to corrupt memory via a specially crafted XLS file.

Successful exploitation of the vulnerabilities may allow execution of arbitrary code.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Dyon Balding, Secunia Research
2) An anonymous person via iDefense Labs.
3) The vendor credits Claes M Nyberg, signedness.org.

Original Advisory:
MS08-074 (KB959070):
http://www.microsoft.com/technet/security/Bulletin/MS08-074.mspx

Secunia Research:
http://secunia.com/secunia_research/2008-36/

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=763

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Microsoft Excel Multiple Vulnerabilities

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