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

Vulnerability from cvelistv5 – Published: 2019-10-16 17:22 – Updated: 2024-09-17 03:58
VLAI?
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
References
URL Tags
https://kb.isc.org/docs/cve-2019-6472 x_refsource_CONFIRM
Impacted products
Vendor Product Version
ISC Kea Affected: 1.4.0 to 1.5.0
Affected: 1.6.0-beta1
Affected: 1.6.0-beta2
Create a notification for this product.
Date Public ?
2019-08-28 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T20:23:21.464Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.isc.org/docs/cve-2019-6472"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "datePublic": "2019-08-28T00:00:00.000Z",
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "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.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-10-16T17:22:16.000Z",
        "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "shortName": "isc"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.isc.org/docs/cve-2019-6472"
        }
      ],
      "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"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate",
      "x_generator": {
        "engine": "Vulnogram 0.0.8"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-officer@isc.org",
          "DATE_PUBLIC": "2019-08-28T21:08:44.000Z",
          "ID": "CVE-2019-6472",
          "STATE": "PUBLIC",
          "TITLE": "A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Kea",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "1.4.0 to 1.5.0"
                          },
                          {
                            "version_value": "1.6.0-beta1"
                          },
                          {
                            "version_value": "1.6.0-beta2"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "ISC"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "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."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.8"
        },
        "impact": {
          "cvss": {
            "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"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "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."
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.isc.org/docs/cve-2019-6472",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/docs/cve-2019-6472"
            }
          ]
        },
        "solution": [
          {
            "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"
          }
        ],
        "source": {
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2019-6472",
    "datePublished": "2019-10-16T17:22:16.689Z",
    "dateReserved": "2019-01-16T00:00:00.000Z",
    "dateUpdated": "2024-09-17T03:58:54.278Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2019-6472",
      "date": "2026-05-11",
      "epss": "0.00677",
      "percentile": "0.71611"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"1.4.0\", \"versionEndIncluding\": \"1.5.0\", \"matchCriteriaId\": \"27BBC7E1-37AF-4BC6-BA53-09CF7B8921BB\"}, {\"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\"}]}]}]",
      "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": "2024-11-21T04:46:31.003",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"security-officer@isc.org\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:A/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 3.3, \"accessVector\": \"ADJACENT_NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 6.5, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2019-10-16T18:15:37.043",
      "references": "[{\"url\": \"https://kb.isc.org/docs/cve-2019-6472\", \"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\"]}]",
      "sourceIdentifier": "security-officer@isc.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-617\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-6472\",\"sourceIdentifier\":\"security-officer@isc.org\",\"published\":\"2019-10-16T18:15:37.043\",\"lastModified\":\"2024-11-21T04:46:31.003\",\"vulnStatus\":\"Modified\",\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-officer@isc.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":3.3,\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":6.5,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-617\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:kea:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.4.0\",\"versionEndIncluding\":\"1.5.0\",\"matchCriteriaId\":\"27BBC7E1-37AF-4BC6-BA53-09CF7B8921BB\"},{\"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\"}]}]}],\"references\":[{\"url\":\"https://kb.isc.org/docs/cve-2019-6472\",\"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\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.



Detection rules are retrieved from Rulezet.