FKIE_CVE-2012-1147

Vulnerability from fkie_nvd - Published: 2012-07-03 19:55 - Updated: 2026-06-16 23:39
Severity
Summary
readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files.
References
secalert@redhat.comhttp://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15
secalert@redhat.comhttp://lists.apple.com/archives/security-announce/2015/Dec/msg00005.htmlVendor Advisory
secalert@redhat.comhttp://sourceforge.net/projects/expat/files/expat/2.1.0/
secalert@redhat.comhttp://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127
secalert@redhat.comhttp://trac.wxwidgets.org/ticket/11194
secalert@redhat.comhttp://trac.wxwidgets.org/ticket/11432
secalert@redhat.comhttp://www.securityfocus.com/bid/52379
secalert@redhat.comhttp://www.securitytracker.com/id/1034344
secalert@redhat.comhttps://support.apple.com/HT205637Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14&r2=1.15
af854a3a-2127-422b-91ae-364da2661108http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://sourceforge.net/projects/expat/files/expat/2.1.0/
af854a3a-2127-422b-91ae-364da2661108http://sourceforge.net/tracker/?func=detail&aid=2895533&group_id=10127&atid=110127
af854a3a-2127-422b-91ae-364da2661108http://trac.wxwidgets.org/ticket/11194
af854a3a-2127-422b-91ae-364da2661108http://trac.wxwidgets.org/ticket/11432
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/52379
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034344
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT205637Vendor Advisory
Impacted products
Vendor Product Version
apple mac_os_x 10.11.0
apple mac_os_x 10.11.1
libexpat_project libexpat *
libexpat_project libexpat 1.95.1
libexpat_project libexpat 1.95.2
libexpat_project libexpat 1.95.4
libexpat_project libexpat 1.95.5
libexpat_project libexpat 1.95.6
libexpat_project libexpat 1.95.7
libexpat_project libexpat 1.95.8
libexpat_project libexpat 2.0.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "EDDDDC59-E784-4C8B-BDAD-55D8322138EC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:mac_os_x:10.11.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "751EE7FE-D5C1-403A-AA93-B9B8BD53953F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B298040-6E60-4701-9F0A-E57CDD3CFA83",
              "versionEndIncluding": "2.0.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:1.95.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "055C8DC2-8840-4758-9F3F-21EEF87845DF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:1.95.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "64E471EF-41A9-491F-B032-568723816ADD",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:1.95.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "D9F94DC5-6A6C-4DB4-A6FA-CDF786AC8E0B",
              "vulnerable": true
            },
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              "matchCriteriaId": "19EC2420-0140-4233-A766-8D3D9B0933B8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:1.95.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "572CC266-7C6B-46FE-963F-B457A387B24A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:1.95.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B354846-9F53-4D07-B34E-F8BB63836299",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:1.95.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "E0B6B5BF-5A76-46B9-BD7B-679F28821CD7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:2.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "843ADBBB-69DE-4128-A1B0-BCA3E85DC6BA",
              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "readfilemap.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (file descriptor consumption) via a large number of crafted XML files."
    },
    {
      "lang": "es",
      "value": "readfilemap.c en expat antes de v2.1.0 permite causar una denegaci\u00f3n de servicio (por consumo de descriptores de fichero) a atacantes dependientes de contexto a trav\u00e9s de un gran n\u00famero de archivos XML hechos a mano."
    }
  ],
  "id": "CVE-2012-1147",
  "lastModified": "2026-06-16T23:39:07.777",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ]
  },
  "published": "2012-07-03T19:55:02.663",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14\u0026r2=1.15"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://sourceforge.net/projects/expat/files/expat/2.1.0/"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://sourceforge.net/tracker/?func=detail\u0026aid=2895533\u0026group_id=10127\u0026atid=110127"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://trac.wxwidgets.org/ticket/11194"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://trac.wxwidgets.org/ticket/11432"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/52379"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securitytracker.com/id/1034344"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/HT205637"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://expat.cvs.sourceforge.net/viewvc/expat/expat/xmlwf/readfilemap.c?r1=1.14\u0026r2=1.15"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://sourceforge.net/projects/expat/files/expat/2.1.0/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://sourceforge.net/tracker/?func=detail\u0026aid=2895533\u0026group_id=10127\u0026atid=110127"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://trac.wxwidgets.org/ticket/11194"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://trac.wxwidgets.org/ticket/11432"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/52379"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034344"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/HT205637"
    }
  ],
  "sourceIdentifier": "secalert@redhat.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.



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.