CVE-2009-3131 Memory corruption in n/a
Remote attackers can execute arbitrary code by tricking users into opening a malicious Excel spreadsheet with a crafted formula.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-3131?
CVE-2009-3131 is a critical memory corruption vulnerability in Microsoft Excel, published on 11 Nov 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a spreadsheet with a crafted formula embedded in a cell, aka "Excel Formula Parsing Memory Corruption Vulnerability."
Weakness: CWE-94
Which versions are affected by CVE-2009-3131?
It affects 5 products.
Products include Microsoft Compatibility Pack Word Excel Powerpoint, Microsoft Excel, Microsoft Excel Viewer, Microsoft Office, Microsoft Open Xml File Format Converter.
How do I fix CVE-2009-3131?
No fix has been published for CVE-2009-3131 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2009-3131 being exploited?
There is no known exploitation of CVE-2009-3131 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel
Sources
Also known as GHSA-mfmc-fxm6-3cgf.