{
  "id": "CVE-2020-24334",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-12-11T23:15:13.807",
  "lastModified": "2020-12-15T15:03:31.877",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The code that processes DNS responses in uIP through 1.0, as used in Contiki and Contiki-NG, does not check whether the number of responses specified in the DNS packet header corresponds to the response data available in the DNS packet, leading to an out-of-bounds read and Denial-of-Service in resolv.c."
    },
    {
      "lang": "es",
      "value": "El c\u00f3digo que procesa las respuestas DNS en uIP versiones hasta 1.0, como es usado en Contiki y Contiki-NG, no verifica si el n\u00famero de respuestas especificadas en el encabezado del paquete DNS corresponde a los datos de respuesta disponibles en el paquete DNS, lo que conlleva a una lectura fuera de l\u00edmites y una Denegaci\u00f3n de Servicio en el archivo resolv.c"
    }
  ],
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2
      }
    ],
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
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      "operator": "AND",
      "nodes": [
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          "operator": "OR",
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  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
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    },
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      "url": "https://www.kb.cert.org/vuls/id/815128",
      "source": "cve@mitre.org",
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}