Home/CVE/Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow re
CVE

CVE-2011-0104

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow re

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted HLink record in an Excel file, aka "Excel Buffer Overwrite Vulnerability.".

HIGH · CVSS 9.3 EPSS 0.76891
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules13 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

3
microsoft excelall versions
microsoft officeall versions
microsoft open xml file format converterall versions
⚠

Public Exploits & PoCs

1
remoteMicrosoft Excel - Remote Buffer Overflowverified
◈

Sigma Hunt Rules

13
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
▣

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 NVD13 Apr 2011 · 06:55 PM
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://osvdb.org/71761
http://secunia.com/advisories/39122Vendor Advisory
http://www.checkpoint.com/defense/advisories/public/2011/cpai-31-Mard.html
http://www.securityfocus.com/bid/47245
http://www.securitytracker.com/id?1025337
http://www.us-cert.gov/cas/techalerts/TA11-102A.htmlUS Government Resource
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