Home/CVE/Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Micr
CVE

CVE-2009-0100

Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Micr

Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1.

Excel in Microsoft Office 2004 and 2008 for Mac.

Microsoft Office Excel Viewer and Excel Viewer 2003 SP3.

and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 do not properly parse the Excel spreadsheet file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that contains a malformed object with "an offset and a two-byte value" that trigger a memory calculation error, aka "Memory Corruption Vulnerability.".

HIGH · CVSS 9.3 EPSS 0.57218
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

4
microsoft officeall versions
microsoft office compatibility pack for word excel ppt 2007all versions
microsoft office excelall versions
microsoft office excel viewerall versions
◈

Sigma Hunt Rules

8
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.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighCode 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
▣

Scoring & Timeline

9.3
HIGH · CVSS v2 (legacy) · secure@microsoft.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published to NVD15 Apr 2009 · 08:00 AM
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://osvdb.org/53665
http://www.fortiguardcenter.com/advisory/FGA-2009-16.html
http://www.securityfocus.com/archive/1/502696/100/0/threaded
http://www.securitytracker.com/id?1022039
http://www.us-cert.gov/cas/techalerts/TA09-104A.htmlUS Government Resource
http://www.vupen.com/english/advisories/2009/1023
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