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CVE-2019-6472

Estado: ModificadaMedia (6.5)—

A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

ISC — KEA

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-6472",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-officer@isc.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-officer@isc.org",
      "affectedData": [
        {
          "vendor": "ISC",
          "product": "Kea",
          "versions": [
            {
              "status": "affected",
              "version": "1.4.0 to 1.5.0"
            },
            {
              "status": "affected",
              "version": "1.6.0-beta1"
            },
            {
              "status": "affected",
              "version": "1.6.0-beta2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-10-16T18:15:37.043",
  "references": [
    {
      "url": "https://kb.isc.org/docs/cve-2019-6472",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-officer@isc.org"
    },
    {
      "url": "https://kb.isc.org/docs/cve-2019-6472",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2."
    },
    {
      "lang": "es",
      "value": "Un paquete que contiene un DUID malformado puede hacer que el proceso del servidor Kea DHCPv6 (kea-dhcp6) se cierre debido a un error de aserción. Versiones afectadas: 1.4.0 hasta 1.5.0, 1.6.0-beta1 y 1.6.0-beta2."
    }
  ],
  "lastModified": "2026-06-17T02:39:06.360",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "27BBC7E1-37AF-4BC6-BA53-09CF7B8921BB",
              "versionEndIncluding": "1.5.0",
              "versionStartIncluding": "1.4.0"
            },
            {
              "criteria": "cpe:2.3:a:isc:kea:1.6.0:beta1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "43793833-7D0F-4C7C-80B4-F8563AD23607"
            },
            {
              "criteria": "cpe:2.3:a:isc:kea:1.6.0:beta2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AECDE26A-DDFD-4035-A08E-E7A5CA37F1E8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-officer@isc.org"
}