CVE-2009-0561: Buffer Overflow
First published: Wed Jun 10 2009(Updated: )
Integer overflow in Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Microsoft Office SharePoint Server 2007 SP1 and SP2 allows remote attackers to execute arbitrary code via an Excel file with a Shared String Table (SST) record with a numeric field that specifies an invalid number of unique strings, which triggers a heap-based buffer overflow, aka "Record Integer Overflow Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Open XML File Format Converter | ||
| Microsoft Office | =2008 | |
| Microsoft Office Excel | =2007-sp2 | |
| Microsoft SharePoint Portal Server | =2007-sp1 | |
| Microsoft Office | =2004 | |
| Microsoft Office | =xp-sp3 | |
| Microsoft Office Viewer | ||
| Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint | =sp1 | |
| Microsoft Office Viewer | =2003-sp3 | |
| Microsoft SharePoint Portal Server | =2007-sp2 | |
| Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint | =sp2 | |
| Microsoft Office Excel | =2003-sp3 | |
| Microsoft SharePoint Portal Server | =2007-sp1 | |
| Microsoft Office Excel | =2000-sp3 | |
| Microsoft SharePoint Portal Server | =2007-sp2 | |
| Microsoft Office Excel | =2007-sp1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- http://secunia.com/secunia_research/2009-12/
- http://www.vupen.com/english/advisories/2009/1540
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=805
- http://www.securitytracker.com/id?1022351
- http://osvdb.org/54957
- http://www.securityfocus.com/bid/35245
- http://www.us-cert.gov/cas/techalerts/TA09-160A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5925
- http://www.securityfocus.com/archive/1/504190/100/0/threaded
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-021
Frequently Asked Questions
What is the severity of CVE-2009-0561?
CVE-2009-0561 is rated as a critical severity vulnerability that can lead to remote code execution.
How do I fix CVE-2009-0561?
To fix CVE-2009-0561, users should apply the latest security patches provided by Microsoft for the affected Office products.
What versions are affected by CVE-2009-0561?
CVE-2009-0561 affects multiple versions of Microsoft Excel including Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2007 SP1 and SP2.
What type of attack can exploit CVE-2009-0561?
CVE-2009-0561 can be exploited through specially crafted Excel files that can execute arbitrary code upon opening.
Is CVE-2009-0561 specific to Windows only?
No, CVE-2009-0561 also affects versions of Excel for Mac, including Office 2004 and 2008.
- agent/references
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/severity
- agent/author
- agent/weakness
- agent/description
- agent/event
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- agent/softwarecombine
- agent/tags
- vendor/microsoft
- canonical/microsoft open xml file format converter
- canonical/microsoft office
- version/microsoft office/2008
- canonical/microsoft office excel
- version/microsoft office excel/2007-sp2
- canonical/microsoft sharepoint portal server
- version/microsoft sharepoint portal server/2007-sp1
- version/microsoft office/2004
- version/microsoft office/xp-sp3
- canonical/microsoft office viewer
- canonical/microsoft office compatibility pack for word, excel, and powerpoint
- version/microsoft office compatibility pack for word, excel, and powerpoint/sp1
- version/microsoft office viewer/2003-sp3
- version/microsoft sharepoint portal server/2007-sp2
- version/microsoft office compatibility pack for word, excel, and powerpoint/sp2
- version/microsoft office excel/2003-sp3
- version/microsoft office excel/2000-sp3
- version/microsoft office excel/2007-sp1