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high7.8Known exploitedPublic exploit code

CVE-2009-3129

Microsoft Excel Featheader Record Memory Corruption Vulnerability

Exploited in the wild

This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-03-03. Federal due date: 2022-03-24.

Apply updates per vendor instructions.

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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 allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset, aka "Excel Featheader Record Memory Corruption Vulnerability."

Affected products

VendorProductAffected versions
MicrosoftExcel
Versions 2002, 2003, 2007
MicrosoftExcel Viewer
All versions
Version 2003
MicrosoftOffice
Versions 2004, 2008
MicrosoftOpen Xml File Format Converter
All versions

Weakness classification

References