fkie_cve-2011-0091
Vulnerability from fkie_nvd
Published
2011-02-10 16:00
Modified
2025-04-11 00:51
Severity ?
Summary
Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka "Kerberos Spoofing Vulnerability."
References
secure@microsoft.comhttp://osvdb.org/70835
secure@microsoft.comhttp://secunia.com/advisories/43257
secure@microsoft.comhttp://support.avaya.com/css/P8/documents/100127250
secure@microsoft.comhttp://www.securityfocus.com/bid/46140
secure@microsoft.comhttp://www.securitytracker.com/id?1025048
secure@microsoft.comhttp://www.vupen.com/english/advisories/2011/0326
secure@microsoft.comhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013
secure@microsoft.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/64901
secure@microsoft.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12498
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/70835
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/43257
af854a3a-2127-422b-91ae-364da2661108http://support.avaya.com/css/P8/documents/100127250
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/46140
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1025048
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2011/0326
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/64901
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12498
Impacted products
Vendor Product Version
microsoft windows_7 -
microsoft windows_server_2008 r2
microsoft windows_server_2008 r2


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E33796DB-4523-4F04-B564-ADF030553D51",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*",
              "matchCriteriaId": "CC916D5A-0644-4423-A52E-D4310906BE78",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*",
              "matchCriteriaId": "95DC297F-06DB-4FB3-BFB6-7312C059E047",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Kerberos in Microsoft Windows Server 2008 R2 and Windows 7 does not prevent a session from changing from strong encryption to DES encryption, which allows man-in-the-middle attackers to spoof network traffic and obtain sensitive information via a DES downgrade, aka \"Kerberos Spoofing Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "Kerberos en Microsoft Windows Server 2008 R2 y Windows 7 no impide que una sesi\u00f3n cambie el cifrado de alta seguridad por el cifrado DES, que permite a los atacantes \"man-in-the-middle\" falsificar el tr\u00e1fico de la red y obtener informaci\u00f3n sensible a trav\u00e9s de una degradaci\u00f3n a DES, tambi\u00e9n conocido como \"Vulnerabilidad de suplantaci\u00f3n de Kerberos. \""
    }
  ],
  "id": "CVE-2011-0091",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-02-10T16:00:13.723",
  "references": [
    {
      "source": "secure@microsoft.com",
      "url": "http://osvdb.org/70835"
    },
    {
      "source": "secure@microsoft.com",
      "url": "http://secunia.com/advisories/43257"
    },
    {
      "source": "secure@microsoft.com",
      "url": "http://support.avaya.com/css/P8/documents/100127250"
    },
    {
      "source": "secure@microsoft.com",
      "url": "http://www.securityfocus.com/bid/46140"
    },
    {
      "source": "secure@microsoft.com",
      "url": "http://www.securitytracker.com/id?1025048"
    },
    {
      "source": "secure@microsoft.com",
      "url": "http://www.vupen.com/english/advisories/2011/0326"
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    {
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      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64901"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12498"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://osvdb.org/70835"
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      "url": "http://secunia.com/advisories/43257"
    },
    {
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      "url": "http://support.avaya.com/css/P8/documents/100127250"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/46140"
    },
    {
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      "url": "http://www.securitytracker.com/id?1025048"
    },
    {
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      "url": "http://www.vupen.com/english/advisories/2011/0326"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-013"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64901"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12498"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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