FKIE_CVE-2011-2012

Vulnerability from fkie_nvd - Published: 2011-10-12 02:52 - Updated: 2026-06-16 23:30
Severity
Summary
Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka "Null Session Cookie Crash."
References
secure@microsoft.comhttp://www.securityfocus.com/bid/49980
secure@microsoft.comhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079
secure@microsoft.comhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/49980
af854a3a-2127-422b-91ae-364da2661108https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079
af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799
Impacted products
Vendor Product Version
microsoft forefront_unified_access_gateway 2010
microsoft forefront_unified_access_gateway 2010
microsoft forefront_unified_access_gateway 2010
microsoft forefront_unified_access_gateway 2010
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:*:*:*:*:*:*:*",
              "matchCriteriaId": "C17E843B-C2FE-433B-B37A-615494AAB211",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "96448A86-3D9B-488C-A95C-4CCAE1FE177D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update1:*:*:*:*:*:*",
              "matchCriteriaId": "8D9218D0-D3C5-400A-A8C4-C25160B746B9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:forefront_unified_access_gateway:2010:update2:*:*:*:*:*:*",
              "matchCriteriaId": "C8B9D477-AC0F-4271-ACEF-325C31E8BE40",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2, and SP1 does not properly validate session cookies, which allows remote attackers to cause a denial of service (IIS outage) via unspecified network traffic, aka \"Null Session Cookie Crash.\""
    },
    {
      "lang": "es",
      "value": "Microsoft Forefront Unified Access Gateway (UAG) 2010 Gold, Update 1, Update 2 y SP1 no validan correctamente las cookies de sesi\u00f3n, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (interrupci\u00f3n de IIS) a trav\u00e9s de tr\u00e1fico de red no especificado. Es un problema tambi\u00e9n conocido como \"caida por cookie de sesi\u00f3n nula\"."
    }
  ],
  "id": "CVE-2011-2012",
  "lastModified": "2026-06-16T23:30:36.063",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-10-12T02:52:44.080",
  "references": [
    {
      "source": "secure@microsoft.com",
      "url": "http://www.securityfocus.com/bid/49980"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"
    },
    {
      "source": "secure@microsoft.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/49980"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-079"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12799"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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