Summary
This host is missing a critical security update according to Microsoft Bulletin MS09-021.
Impact
Successful exploitation could execute arbitrary code on the remote system and corrupt memory, buffer overflow via a specially crafted Excel file.
Impact Level: System/Application
Solution
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link.
http://www.microsoft.com/technet/security/bulletin/ms09-021.mspx
Insight
The flaws are due to
- an array-indexing error when processing certain records by using corrupted object.
- a boundary error when parsing certain records by opening a specially crafted Excel file.
- an integer overflow error when processing the number of strings in a file.
Affected
Microsoft Excel Viewer 2003/2007
Microsoft Office Excel 2000/2002/2003/2007
References
Severity
Classification
-
CVE CVE-2009-0549, CVE-2009-0557, CVE-2009-0558, CVE-2009-0559, CVE-2009-0560, CVE-2009-0561, CVE-2009-1134 -
CVSS Base Score: 9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
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