{
  "id": "CVE-2011-1076",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2011-10-05T02:56:24.627",
  "lastModified": "2024-11-21T01:25:28.120",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "net/dns_resolver/dns_key.c in the Linux kernel before 2.6.38 allows remote DNS servers to cause a denial of service (NULL pointer dereference and OOPS) by not providing a valid response to a DNS query, as demonstrated by an erroneous grand.centrall.org query, which triggers improper handling of error data within a DNS resolver key."
    },
    {
      "lang": "es",
      "value": "net/dns_resolver/dns_key.c del kernel de Linux en versiones anteriores a la 2.6.38 permite a servidores DNS remotos provocar una denegaci\u00f3n de servicio (resoluci\u00f3n de puntero NULL y OOPS) no proporcionando una respuesta v\u00e1lida a una petici\u00f3n DNS, como se ha demostrado por una petici\u00f3n err\u00f3nea a grand.centrall.org, lo que provoca un manejo err\u00f3neo de datos de error dentro una \"DNS resolver key\"."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "baseScore": 4.9,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.6.38",
              "matchCriteriaId": "9988A98F-3440-467E-8ADA-1E413DC25C21"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2011/03/04/13",
      "source": "secalert@redhat.com",
      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://securitytracker.com/id?1025162",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38",
      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1362fa078dae16776cd439791c6605b224ea6171",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://openwall.com/lists/oss-security/2011/03/04/13",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://securitytracker.com/id?1025162",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ]
    }
  ]
}