Summary
This host is missing a critical security update according to Microsoft Bulletin MS11-021.
Impact
Successful exploitation could allow attackers to execute arbitrary code by tricking a user into opening a malicious 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/ms11-021.mspx
Insight
The flaws are caused by memory corruption, heap and integer overflows, buffer overwrite, array indexing, and dangling pointers when parsing malformed data or records within Excel documents, which could be exploited by attackers to execute arbitrary code by tricking a user into opening a specially crafted Excel file.
Affected
Microsoft Excel Viewer Service Pack 2
Microsoft Office Excel 2002 Service Pack 3
Microsoft Office Excel 2003 Service Pack 3
Microsoft Office Excel 2007 Service Pack 2
Microsoft Office Excel 2010
References
Severity
Classification
-
CVE CVE-2011-0097, CVE-2011-0098, CVE-2011-0101, CVE-2011-0103, CVE-2011-0104, CVE-2011-0105, CVE-2011-0978, CVE-2011-0979, CVE-2011-0980 -
CVSS Base Score: 9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
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