{
  "id": "CVE-2017-15650",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2017-10-19T23:29:00.407",
  "lastModified": "2017-11-08T16:21:30.357",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query."
    },
    {
      "lang": "es",
      "value": "musl libc, en versiones anteriores a la 1.1.17, tiene un desbordamiento de b\u00fafer mediante respuestas DNS manipuladas, debido a que dns_parse_callback en network/lookup_name.c no restringe el n\u00famero de direcciones y, por lo tanto, un atacante puede proporcionar un n\u00famero inesperado enviando registros A en una respuesta a una consulta AAAA."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
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      }
    ],
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "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-119"
        }
      ]
    }
  ],
  "configurations": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:musl-libc:musl:*:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "http://git.musl-libc.org/cgit/musl/commit/?id=45ca5d3fcb6f874bf5ba55d0e9651cef68515395",
      "source": "cve@mitre.org",
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      "source": "cve@mitre.org",
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        "Third Party Advisory"
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}