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CVE-2011-3649

Estado: ModificadaBaja (2.6)—

Mozilla Firefox 7.0 y Thunderbird 7.0, cuando se utiliza el API Direct2D (D2D) en Windows junto con el back-end de gráficos Azure, permite a atacantes remotos evitar la política del mismo origen ("Same Origin Policy"), y obtener datos confidenciales de imágenes de distintos dominios insertando datos en un canvas. NOTA: este problema existe debido a una regresión de CVE-2011-2986.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Mozilla — FirefoxMozilla — Thunderbird

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-3649",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-11-09T11:55:03.630",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-50.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/50591",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=655836",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14025",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2011-11/msg00020.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.mozilla.org/security/announce/2011/mfsa2011-50.html",
      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/50591",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=655836",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14025",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla Firefox 7.0 and Thunderbird 7.0, when the Direct2D (aka D2D) API is used on Windows in conjunction with the Azure graphics back-end, allow remote attackers to bypass the Same Origin Policy, and obtain sensitive image data from a different domain, by inserting this data into a canvas.  NOTE: this issue exists because of a CVE-2011-2986 regression."
    },
    {
      "lang": "es",
      "value": "Mozilla Firefox 7.0 y Thunderbird 7.0, cuando se utiliza el API Direct2D (D2D) en Windows junto con el back-end de gráficos Azure, permite a atacantes remotos evitar la política del mismo origen (\"Same Origin Policy\"), y obtener datos confidenciales de imágenes de distintos dominios insertando datos en un canvas. NOTA: este problema existe debido a una regresión de CVE-2011-2986."
    }
  ],
  "lastModified": "2026-06-16T23:33:41.233",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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  "sourceIdentifier": "cve@mitre.org"
}