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CVE-2011-1873

Estado: ModificadaAlta (9.3)—

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 on 64-bit platforms does not properly validate pointers during the parsing of OpenType (aka OTF) fonts, which allows remote attackers to execute arbitrary code via a crafted font file, aka "Win32k OTF Validation Vulnerability."

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 (5)

Microsoft — Windows 7Microsoft — Windows Server 2003Microsoft — Windows Server 2008Microsoft — Windows VistaMicrosoft — Windows XP

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2011-1873",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-06-16T20:55:02.510",
  "references": [
    {
      "url": "http://secunia.com/advisories/44893",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/48183",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1025638",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-041",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67732",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12725",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://secunia.com/advisories/44893",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/48183",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1025638",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-041",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67732",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12725",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 on 64-bit platforms does not properly validate pointers during the parsing of OpenType (aka OTF) fonts, which allows remote attackers to execute arbitrary code via a crafted font file, aka \"Win32k OTF Validation Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "win32k.sys en los controladores (drivers) que se encuentren en modo-núcleo (kernel) de Microsoft Windows XP SP2, Windows Server 2003 SP2, Windows Vista SP1 y SP2, Windows Server 2008 Gold, SP2, R2 y R2 SP1, y Windows 7 Gold y SP1 e plataforma de 64-bits, no valida adecuadamente los punteros durante el análisis (parseo) de las fuentes OpenType (también conocida como OTF). Esto permite a los atacantes remotos ejecutar código de su elección a través de un fichero de fuentes modificado. También se conoce como \"Vulnerabilidad de Validación de Win32k OTF\""
    }
  ],
  "lastModified": "2026-06-16T23:30:16.907",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E33796DB-4523-4F04-B564-ADF030553D51"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F282E5E8-A5C9-4092-B0BF-07A5A2CAA6F4"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4D3B5E4F-56A6-4696-BBB4-19DF3613D020"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F6EA111-A4E6-4963-A0C8-F9336C605B6E"
            },
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              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7AE15F6C-80F6-43A6-86DA-B92116A697A0"
            },
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              "matchCriteriaId": "CC916D5A-0644-4423-A52E-D4310906BE78"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "95DC297F-06DB-4FB3-BFB6-7312C059E047"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "C162FFF0-1E8F-4DCF-A08F-6C6E324ED878"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "0A0D2704-C058-420B-B368-372D1129E914"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FFAC3F90-77BF-4F56-A89B-8A3D2D1FC6D6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}