# CVE-2009-3129

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."

- Page: https://www.vulneraibility.com/cve/CVE-2009-3129
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-03-03; CISA due date 2022-03-24
- EPSS: 84.03% (percentile 99.7)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module (first 2010-08-21)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-10)
- Weakness: CWE-787
- Published: 2009-11-11

## Affected

- microsoft:excel
- microsoft:excel_viewer
- microsoft:office
- microsoft:open_xml_file_format_converter

## References

- [other] http://osvdb.org/59860
- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521
- [other] http://www.securitytracker.com/id?1023157
- [other] http://www.securityfocus.com/bid/36945
- [advisory] http://www.us-cert.gov/cas/techalerts/TA09-314A.html
- [advisory] http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=832
- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067
- [other] http://archives.neohapsis.com/archives/bugtraq/2009-11/0080.html
- [other] http://www.zerodayinitiative.com/advisories/ZDI-09-083
- [exploit] http://www.exploit-db.com/exploits/14706
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3129

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.