{
  "id": "CVE-2011-5055",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2012-01-08T00:55:03.503",
  "lastModified": "2024-11-21T01:33:31.223",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "MaraDNS 1.3.07.12 and 1.4.08 computes hash values for DNS data without properly restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted queries with the Recursion Desired (RD) bit set.  NOTE: this issue exists because of an incomplete fix for CVE-2012-0024."
    },
    {
      "lang": "es",
      "value": "MaraDNS v1.3.07.12 y v1.4.08 calcula los valores hash de los datos DNS sin restringir la capacidad de desencadenar colisiones hash de forma predecible, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU) mediante el env\u00edo de muchas consultas a mano con el bit Recursion Desired (recursividad deseada - RD) activado. NOTA: este problema existe debido a una soluci\u00f3n incompleta para CVE-2012-0024."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:maradns:maradns:1.3.07.012:*:*:*:*:*:*:*",
              "matchCriteriaId": "75502768-D541-4EB5-A3EB-54227C9FFCA4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:maradns:maradns:1.4.08:*:*:*:*:*:*:*",
              "matchCriteriaId": "09E33EAA-8C1B-44AC-A4BB-CF0D9DC02092"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://openwall.com/lists/oss-security/2012/01/03/13",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/01/03/6",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://samiam.org/blog/20111230.html",
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=771428",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/01/03/13",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2012/01/03/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://samiam.org/blog/20111230.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=771428",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}