CVE-2009-3129

Home/CVE/Microsoft Excel Featheader Record Memory Corruption Vulnerability

CVE

Microsoft Excel Featheader Record Memory Corruption Vulnerability

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.".

HIGH · CVSS 7.8 ⚠ CISA KEV EPSS 0.91241

Act now

Listed on CISA KEV (known exploited in the wild)
SSVC exploitation status: active
EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 0% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules13 YARA rules0

⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-787Out-of-bounds Write

▤

Affected Products & Versions

microsoft excelall versions
microsoft excel viewerall versions
microsoft officeall versions
microsoft open xml file format converterall versions

⚠

Public Exploits & PoCs

localMicrosoft Excel - Malformed FEATHEADER Record (MS09-067) (Metasploit)verified
localMicrosoft Excel - FEATHEADER Record (MS09-067)2010-08-21
pocwww.exploit-db.com · 14706www.exploit-db.com

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

producthighPython Function Execution Security Warning Disabled In Excel

producthighPotential Excel.EXE DCOM Lateral Movement Via ActivateMicrosoftApp

producthighPotential Persistence Via Excel Add-in - Registry

producthighPython Function Execution Security Warning Disabled In Excel - Registry

productmediumMicrosoft Excel Add-In Loaded From Uncommon Location

producthighSuspicious Microsoft Office Child Process - MacOS

Show all 13 top matchesproducthighCode Executed Via Office Add-in XLL File
producthighPotential Persistence Via Microsoft Office Add-In
producthighPotential Persistence Via Microsoft Office Startup Folder
producthighFile With Uncommon Extension Created By An Office Application
producthighOffice Macro File Creation From Suspicious Process
producthighUncommon File Created In Office Startup Folder
producthighPotentially Suspicious Office Document Executed From Trusted Location

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Scoring & Timeline

7.8

HIGH · CVSS v3.1 · secure@microsoft.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD11 Nov 2009 · 07:30 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

active

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

⚑

Vendor Advisories

cisaKEV-CVE-2009-3129

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://archives.neohapsis.com/archives/bugtraq/2009-11/0080.htmlBroken Link

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=832Broken Link

http://osvdb.org/59860Broken Link

http://www.securityfocus.com/bid/36945Broken LinkThird Party AdvisoryVDB Entry

http://www.securitytracker.com/id?1023157Broken LinkThird Party AdvisoryVDB Entry

http://www.us-cert.gov/cas/techalerts/TA09-314A.htmlThird Party AdvisoryUS Government Resource

Show all 10 references

http://www.zerodayinitiative.com/advisories/ZDI-09-083Third Party AdvisoryVDB Entry

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067PatchVendor Advisory

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521Broken Link

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3129US Government Resource

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