CVE-2011-1989 (GCVE-0-2011-1989)

Vulnerability from cvelistv5 – Published: 2011-09-15 10:00 – Updated: 2024-08-06 22:46
VLAI
Summary
Microsoft Excel 2003 SP3 and 2007 SP2; Excel in Office 2007 SP2; Excel 2010 Gold and SP1; Excel in Office 2010 Gold and SP1; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; Excel Services on Office SharePoint Server 2007 SP2; Excel Services on Office SharePoint Server 2010 Gold and SP1; and Excel Web App 2010 Gold and SP1 do not properly parse conditional expressions associated with formatting requirements, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Conditional Expression Parsing Vulnerability."
Severity
No CVSS data available.
CWE
  • n/a
References
URL Tags
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
https://docs.microsoft.com/en-us/security-updates… vendor-advisoryx_refsource_MS
http://www.us-cert.gov/cas/techalerts/TA11-256A.html third-party-advisoryx_refsource_CERT
Date Public
2011-09-13 00:00
Show details on NVD website

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          {
            "lang": "en",
            "value": "Microsoft Excel 2003 SP3 and 2007 SP2; Excel in Office 2007 SP2; Excel 2010 Gold and SP1; Excel in Office 2010 Gold and SP1; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; Excel Services on Office SharePoint Server 2007 SP2; Excel Services on Office SharePoint Server 2010 Gold and SP1; and Excel Web App 2010 Gold and SP1 do not properly parse conditional expressions associated with formatting requirements, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka \"Excel Conditional Expression Parsing Vulnerability.\""
          },
          {
            "lang": "es",
            "value": "Microsoft Excel 2003 Service Pack 3 y Service Pack 2 de 2007; Excel en Office 2007 SP2, Excel 2010 Service Pack 1 Gold y SP1; Excel en Office 2010 Service Pack 1 Gold y SP1; Office 2004, 2008 y 2011 para Mac; Open XML File Format Converter para Mac; Excel Viewer Service Pack 2; Paquete de compatibilidad de Office para Word, Excel y PowerPoint 2007 Service Pack 2, Servicios de Excel en Office SharePoint Server 2007 SP2, Servicios de Excel en Office SharePoint Server 2010 Gold y SP1, y Excel Web Access 2010 Gold y SP1 no analizan correctamente las expresiones condicionales asociadas con requisitos de formato, lo que permite a atacantes remotos ejecutar c\u00f3digo de su elecci\u00f3n a trav\u00e9s de una hoja de c\u00e1lculo debidamente modificada. Es un problema tambi\u00e9n conocido como \"Vulnerabilidad de an\u00e1lisis de expresiones condicionales de Excel\"."
          }
        ],
        "id": "CVE-2011-1989",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 9.3,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ]
        },
        "published": "2011-09-15T12:26:48.947",
        "references": [
          {
            "source": "secure@microsoft.com",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.us-cert.gov/cas/techalerts/TA11-256A.html"
          },
          {
            "source": "secure@microsoft.com",
            "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072"
          },
          {
            "source": "secure@microsoft.com",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12974"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "US Government Resource"
            ],
            "url": "http://www.us-cert.gov/cas/techalerts/TA11-256A.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12974"
          }
        ],
        "sourceIdentifier": "secure@microsoft.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-20"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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