Vulnerability-Lookup

FKIE_CVE-2019-6472

Vulnerability from fkie_nvd - Published: 2019-10-16 18:15 - Updated: 2026-06-17 02:39

Severity

6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

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.

References

	URL	Tags
	security-officer@isc.org	https://kb.isc.org/docs/cve-2019-6472	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://kb.isc.org/docs/cve-2019-6472	Vendor Advisory

Impacted products

Vendor	Product	Version
isc	kea	*
isc	kea	1.6.0
isc	kea	1.6.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Kea",
          "vendor": "ISC",
          "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"
            }
          ]
        }
      ],
      "source": "security-officer@isc.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "27BBC7E1-37AF-4BC6-BA53-09CF7B8921BB",
              "versionEndIncluding": "1.5.0",
              "versionStartIncluding": "1.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:kea:1.6.0:beta1:*:*:*:*:*:*",
              "matchCriteriaId": "43793833-7D0F-4C7C-80B4-F8563AD23607",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:isc:kea:1.6.0:beta2:*:*:*:*:*:*",
              "matchCriteriaId": "AECDE26A-DDFD-4035-A08E-E7A5CA37F1E8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 aserci\u00f3n. Versiones afectadas: 1.4.0 hasta 1.5.0, 1.6.0-beta1 y 1.6.0-beta2."
    }
  ],
  "id": "CVE-2019-6472",
  "lastModified": "2026-06-17T02:39:06.360",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "security-officer@isc.org",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-10-16T18:15:37.043",
  "references": [
    {
      "source": "security-officer@isc.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.isc.org/docs/cve-2019-6472"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://kb.isc.org/docs/cve-2019-6472"
    }
  ],
  "sourceIdentifier": "security-officer@isc.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2019-6472 (GCVE-0-2019-6472)

Vulnerability from cvelistv5 – Published: 2019-10-16 17:22 – Updated: 2024-09-17 03:58

Title

A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate

Summary

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.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

An attacker who is able to send a request containing a malformed DUID to the server (either directly or via a relay) can cause the DHCPv6 server process to terminate, denying service to clients. Only the DHCPv6 service is affected by this vulnerability.

Assigner

isc mitre root

References

1 reference

URL	Tags
https://kb.isc.org/docs/cve-2019-6472	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
ISC	Kea	Affected: 1.4.0 to 1.5.0 Affected: 1.6.0-beta1 Affected: 1.6.0-beta2

Date Public

2019-08-28 00:00

Show details on NVD website

JSON

To clipboard

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          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          "vendor": "ISC",
          "versions": [
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      "datePublic": "2019-08-28T00:00:00.000Z",
      "descriptions": [
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        }
      ],
      "metrics": [
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      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to a version of Kea containing a fix, available via\n   https://www.isc.org/downloads.\n\n   -  Kea 1.4.0-P2\n   -  Kea 1.5.0-P1\n   -  Kea 1.6.0"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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FKIE_CVE-2019-6472

CVE-2019-6472 (GCVE-0-2019-6472)

Tags

Sightings

Nomenclature

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