FKIE_CVE-2006-6696

Vulnerability from fkie_nvd - Published: 2006-12-22 02:28 - Updated: 2026-06-16 22:33
Severity
Summary
Double free vulnerability in Microsoft Windows 2000, XP, 2003, and Vista allows local users to gain privileges by calling the MessageBox function with a MB_SERVICE_NOTIFICATION message with crafted data, which sends a HardError message to Client/Server Runtime Server Subsystem (CSRSS) process, which is not properly handled when invoking the UserHardError and GetHardErrorText functions in WINSRV.DLL.
References
cve@mitre.orghttp://blogs.technet.com/msrc/archive/2006/12/22/new-report-of-a-windows-vulnerability.aspx
cve@mitre.orghttp://groups.google.ca/group/microsoft.public.win32.programmer.kernel/browse_thread/thread/c5946bf40f227058/7bd7b5d66a4e5aff
cve@mitre.orghttp://isc.sans.org/diary.php?n&storyid=1965
cve@mitre.orghttp://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051394.html
cve@mitre.orghttp://research.eeye.com/html/alerts/zeroday/20061215.html
cve@mitre.orghttp://secunia.com/advisories/23448Vendor Advisory
cve@mitre.orghttp://securitytracker.com/id?1017433
cve@mitre.orghttp://www.determina.com/security.research/vulnerabilities/csrss-harderror.html
cve@mitre.orghttp://www.kuban.ru/forum_new/forum2/files/19124.html
cve@mitre.orghttp://www.security.nnov.ru/Gnews944.html
cve@mitre.orghttp://www.security.nnov.ru/files/messagebox.c
cve@mitre.orghttp://www.securityfocus.com/archive/1/455061/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/archive/1/455088/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/archive/1/455104/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/archive/1/455158/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/archive/1/455546/100/0/threaded
cve@mitre.orghttp://www.securityfocus.com/archive/1/466331/100/200/threaded
cve@mitre.orghttp://www.securityfocus.com/bid/21688
cve@mitre.orghttp://www.securityfocus.com/bid/23324
cve@mitre.orghttp://www.vupen.com/english/advisories/2006/5120
cve@mitre.orghttp://www.vupen.com/english/advisories/2007/1325
cve@mitre.orghttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021
cve@mitre.orghttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1816
af854a3a-2127-422b-91ae-364da2661108http://blogs.technet.com/msrc/archive/2006/12/22/new-report-of-a-windows-vulnerability.aspx
af854a3a-2127-422b-91ae-364da2661108http://groups.google.ca/group/microsoft.public.win32.programmer.kernel/browse_thread/thread/c5946bf40f227058/7bd7b5d66a4e5aff
af854a3a-2127-422b-91ae-364da2661108http://isc.sans.org/diary.php?n&storyid=1965
af854a3a-2127-422b-91ae-364da2661108http://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051394.html
af854a3a-2127-422b-91ae-364da2661108http://research.eeye.com/html/alerts/zeroday/20061215.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/23448Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1017433
af854a3a-2127-422b-91ae-364da2661108http://www.determina.com/security.research/vulnerabilities/csrss-harderror.html
af854a3a-2127-422b-91ae-364da2661108http://www.kuban.ru/forum_new/forum2/files/19124.html
af854a3a-2127-422b-91ae-364da2661108http://www.security.nnov.ru/Gnews944.html
af854a3a-2127-422b-91ae-364da2661108http://www.security.nnov.ru/files/messagebox.c
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/455061/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/455088/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/455104/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/455158/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/455546/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/466331/100/200/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/21688
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/23324
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2006/5120
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2007/1325
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1816
Impacted products
Vendor Product Version
microsoft windows_2000 *
microsoft windows_2000 *
microsoft windows_2000 *
microsoft windows_2000 *
microsoft windows_2000 *
microsoft windows_2003_server datacenter_edition
microsoft windows_2003_server datacenter_edition
microsoft windows_2003_server datacenter_edition
microsoft windows_2003_server enterprise_edition
microsoft windows_2003_server enterprise_edition
microsoft windows_2003_server sp1
microsoft windows_2003_server standard
microsoft windows_2003_server standard
microsoft windows_2003_server standard
microsoft windows_2003_server web
microsoft windows_2003_server web
microsoft windows_2003_server web
microsoft windows_vista *
microsoft windows_vista *
microsoft windows_vista *
microsoft windows_vista *
microsoft windows_xp *
microsoft windows_xp *
microsoft windows_xp *
microsoft windows_xp *
microsoft windows_xp *
microsoft windows_xp *
microsoft windows_xp *
microsoft windows_xp *
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Double free vulnerability in Microsoft Windows 2000, XP, 2003, and Vista allows local users to gain privileges by calling the MessageBox function with a MB_SERVICE_NOTIFICATION message with crafted data, which sends a HardError message to Client/Server Runtime Server Subsystem (CSRSS) process, which is not properly handled when invoking the UserHardError and GetHardErrorText functions in WINSRV.DLL."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de liberaci\u00f3n de memoria doble en Microsoft Windows 2000, XP, 2003, y Vista, permite a usuarios locales obtener privilegios llamando a la funci\u00f3n MessageBox con un mensaje MB_SERVICE_NOTIFICATION con datos manipulados, lo cual env\u00eda un mensaje HardError al proceso Subsistema de servidor en ejecuci\u00f3n de Cliente/Servidor (CSSRSS), que no es gestionado apropiadamente cuando se invocan las funciones UserHardError y GetHardErrorText en WINSRV.DLL.\r\n"
    }
  ],
  "id": "CVE-2006-6696",
  "lastModified": "2026-06-16T22:33:37.030",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": true,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2006-12-22T02:28:00.000",
  "references": [
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      "source": "cve@mitre.org",
      "url": "http://blogs.technet.com/msrc/archive/2006/12/22/new-report-of-a-windows-vulnerability.aspx"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/23324"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2006/5120"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.vupen.com/english/advisories/2007/1325"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1816"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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