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FKIE_CVE-2011-1235

Vulnerability from fkie_nvd - Published: 2011-04-13 20:26 - Updated: 2026-06-16 23:28
Severity
Summary
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
References
secure@microsoft.comhttp://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
secure@microsoft.comhttp://osvdb.org/71750
secure@microsoft.comhttp://secunia.com/advisories/44156
secure@microsoft.comhttp://support.avaya.com/css/P8/documents/100133352
secure@microsoft.comhttp://www.securityfocus.com/bid/47212
secure@microsoft.comhttp://www.securitytracker.com/id?1025345
secure@microsoft.comhttp://www.us-cert.gov/cas/techalerts/TA11-102A.htmlUS Government Resource
secure@microsoft.comhttp://www.vupen.com/english/advisories/2011/0952
secure@microsoft.comhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
secure@microsoft.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/66417
secure@microsoft.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12302
af854a3a-2127-422b-91ae-364da2661108http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/71750
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/44156
af854a3a-2127-422b-91ae-364da2661108http://support.avaya.com/css/P8/documents/100133352
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/47212
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1025345
af854a3a-2127-422b-91ae-364da2661108http://www.us-cert.gov/cas/techalerts/TA11-102A.htmlUS Government Resource
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2011/0952
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/66417
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12302
Impacted products
Vendor Product Version
microsoft windows_2003_server *
microsoft windows_7 -
microsoft windows_7 -
microsoft windows_7 -
microsoft windows_server_2003 *
microsoft windows_server_2008 *
microsoft windows_server_2008 *
microsoft windows_server_2008 *
microsoft windows_server_2008 *
microsoft windows_server_2008 *
microsoft windows_server_2008 -
microsoft windows_server_2008 r2
microsoft windows_server_2008 r2
microsoft windows_vista *
microsoft windows_vista *
microsoft windows_xp *
microsoft windows_xp -
To clipboard 

{
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    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
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      ],
      "source": "secure@microsoft.com"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other \"Vulnerability Type 1\" CVEs listed in MS11-034, aka \"Win32k Use After Free Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de uso despu\u00e9s de la liberaci\u00f3n (use-after-free) en win32k.sys en los drivers de kernel-mode de Microsoft Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista SP1 y SP2, Windows Server 2008 Gold, SP2, R2, y R2 SP1, y Windows 7 Gold y SP1 permite a usuarios locales aumentar sus privilegios a trav\u00e9s de aplicaciones manipuladas que producen una gesti\u00f3n incorrecta del objeto driver. Se trata de una vulnerabilidad diferente de \"Vulnerability Type 1\" con los CVEs listados en MS11-034, tambi\u00e9n conocido como \"Vulnerabilidad de Uso Despu\u00e9s de la Libreaci\u00f3n Win32k\""
    }
  ],
  "id": "CVE-2011-1235",
  "lastModified": "2026-06-16T23:28:59.483",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-04-13T20:26:25.487",
  "references": [
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      "source": "secure@microsoft.com",
      "url": "http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx"
    },
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      "source": "secure@microsoft.com",
      "url": "http://osvdb.org/71750"
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    {
      "source": "secure@microsoft.com",
      "url": "http://secunia.com/advisories/44156"
    },
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      "source": "secure@microsoft.com",
      "url": "http://support.avaya.com/css/P8/documents/100133352"
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      "source": "secure@microsoft.com",
      "url": "http://www.securityfocus.com/bid/47212"
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    {
      "source": "secure@microsoft.com",
      "url": "http://www.securitytracker.com/id?1025345"
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    {
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    {
      "source": "secure@microsoft.com",
      "url": "http://www.vupen.com/english/advisories/2011/0952"
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      "url": "http://support.avaya.com/css/P8/documents/100133352"
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      "url": "http://www.securityfocus.com/bid/47212"
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  "vulnStatus": "Modified",
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          "value": "CWE-399"
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      ],
      "source": "nvd@nist.gov",
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  ]
}



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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.


Detection rules are retrieved from Rulezet.


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.