Home/CVE/Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Conver
CVE

CVE-2011-0979

Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Conver

Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010.

Office 2004, 2008, and 2011 for Mac.

Open XML File Format Converter for Mac.

and Excel Viewer SP2 do not properly handle errors during the parsing of Office Art records in Excel spreadsheets, which allows remote attackers to execute arbitrary code via a malformed object record, related to a "stray reference," aka "Excel Linked List Corruption Vulnerability.".

HIGH · CVSS 9.3 EPSS 0.66749
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules13 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

5
microsoft excelall versions
microsoft excel viewerall versions
microsoft officeall versions
microsoft office compatibility packall versions
microsoft open xml file format converterall versions
◈

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) · cve@mitre.org
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 NVD10 Feb 2011 · 07:00 PM
🔗

References & Sources

10
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://dvlabs.tippingpoint.com/blog/2011/02/07/zdi-disclosure-microsoft
http://osvdb.org/70904
http://secunia.com/advisories/39122Vendor Advisory
http://secunia.com/advisories/43231Vendor Advisory
http://www.securitytracker.com/id?1025337
http://www.us-cert.gov/cas/techalerts/TA11-102A.htmlUS Government Resource
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