CVE-2011-1990: Buffer Overflow
First published: Thu Sep 15 2011(Updated: )
Microsoft Excel 2007 SP2; Excel in Office 2007 SP2; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and Excel Services on Office SharePoint Server 2007 SP2 do not properly validate the sign of an unspecified array index, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Office Excel | =2007-sp2 | |
| Microsoft Office Excel Viewer | =sp2 | |
| Microsoft Office | =2007-sp2 | |
| Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint | =2007-sp2 | |
| Microsoft SharePoint Server 2010 | =2007-sp2 | |
| Microsoft SharePoint Server 2010 | =2007-sp2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-1990?
CVE-2011-1990 has a medium severity rating, indicating potential for exploitation.
How do I fix CVE-2011-1990?
To fix CVE-2011-1990, users should install the security update provided by Microsoft.
What software is affected by CVE-2011-1990?
CVE-2011-1990 affects Microsoft Excel 2007 SP2, Excel Viewer SP2, and various Office 2007 applications.
Can CVE-2011-1990 be exploited remotely?
Yes, CVE-2011-1990 allows remote attackers to exploit the vulnerability via specially crafted files.
What type of vulnerability is CVE-2011-1990?
CVE-2011-1990 is a validation vulnerability associated with improper array index handling.
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- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/microsoft
- canonical/microsoft office excel
- version/microsoft office excel/2007-sp2
- canonical/microsoft office excel viewer
- version/microsoft office excel viewer/sp2
- canonical/microsoft office
- version/microsoft office/2007-sp2
- canonical/microsoft office compatibility pack for word, excel, and powerpoint
- version/microsoft office compatibility pack for word, excel, and powerpoint/2007-sp2
- canonical/microsoft sharepoint server 2010
- version/microsoft sharepoint server 2010/2007-sp2