CVE-2019-6469
Vulnerability from cvelistv5
Published
2019-10-09 14:17
Modified
2024-09-17 01:30
Summary
BIND Supported Preview Edition can exit with an assertion failure if ECS is in use
Impacted products
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T20:23:20.909Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://kb.isc.org/docs/cve-2019-6469"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp%3Butm_medium=RSS"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "BIND 9 Supported Preview Edition",
          "vendor": "ISC",
          "versions": [
            {
              "status": "affected",
              "version": "BIND 9.10.5-S1 -\u003e 9.11.6-S1 of BIND 9 Supported Preview Edition."
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "ISC would like to thank Quad9 for reporting this issue."
        }
      ],
      "datePublic": "2019-05-29T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -\u003e 9.11.6-S1 of BIND 9 Supported Preview Edition."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "An attacker who is able to cause a server to perform a query whose answer will be accompanied by malformed RRSIGs can deliberately cause a server to exit if it is using the recursive ECS feature.",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-11-02T02:06:16",
        "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "shortName": "isc"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://kb.isc.org/docs/cve-2019-6469"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp%3Butm_medium=RSS"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n\u003e=    BIND 9.11.7-S1"
        }
      ],
      "source": {
        "discovery": "USER"
      },
      "title": "BIND Supported Preview Edition can exit with an assertion failure if ECS is in use",
      "workarounds": [
        {
          "lang": "en",
          "value": "Only servers which have enabled the EDNS Client Subnet (ECS) feature can be affected by this defect; it can be prevented by disabling ECS options in the server\u0027s configuration."
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.0.7"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security-officer@isc.org",
          "DATE_PUBLIC": "2019-05-29T23:00:00.000Z",
          "ID": "CVE-2019-6469",
          "STATE": "PUBLIC",
          "TITLE": "BIND Supported Preview Edition can exit with an assertion failure if ECS is in use"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "BIND 9 Supported Preview Edition",
                      "version": {
                        "version_data": [
                          {
                            "version_name": "BIND 9",
                            "version_value": "BIND 9.10.5-S1 -\u003e 9.11.6-S1 of BIND 9 Supported Preview Edition."
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "ISC"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "ISC would like to thank Quad9 for reporting this issue."
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -\u003e 9.11.6-S1 of BIND 9 Supported Preview Edition."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.7"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "An attacker who is able to cause a server to perform a query whose answer will be accompanied by malformed RRSIGs can deliberately cause a server to exit if it is using the recursive ECS feature."
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://kb.isc.org/docs/cve-2019-6469",
              "refsource": "CONFIRM",
              "url": "https://kb.isc.org/docs/cve-2019-6469"
            },
            {
              "name": "https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp;utm_medium=RSS",
              "refsource": "CONFIRM",
              "url": "https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp;utm_medium=RSS"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Upgrade to the patched release most closely related to your current version of BIND:\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n\u003e=    BIND 9.11.7-S1"
          }
        ],
        "source": {
          "discovery": "USER"
        },
        "work_around": [
          {
            "lang": "en",
            "value": "Only servers which have enabled the EDNS Client Subnet (ECS) feature can be affected by this defect; it can be prevented by disabling ECS options in the server\u0027s configuration."
          }
        ]
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
    "assignerShortName": "isc",
    "cveId": "CVE-2019-6469",
    "datePublished": "2019-10-09T14:17:14.528095Z",
    "dateReserved": "2019-01-16T00:00:00",
    "dateUpdated": "2024-09-17T01:30:59.645Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-6469\",\"sourceIdentifier\":\"security-officer@isc.org\",\"published\":\"2019-10-09T16:15:17.077\",\"lastModified\":\"2023-11-07T03:13:10.263\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"An error in the EDNS Client Subnet (ECS) feature for recursive resolvers can cause BIND to exit with an assertion failure when processing a response that has malformed RRSIGs. Versions affected: BIND 9.10.5-S1 -\u003e 9.11.6-S1 of BIND 9 Supported Preview Edition.\"},{\"lang\":\"es\",\"value\":\"Un error en la funcionalidad EDNS Client Subnet (ECS) para los solucionadores recursivos puede hacer que BIND salga con un fallo de aserci\u00f3n cuando se procesa una respuesta que tiene RRSIG malformados. Versiones afectadas: BIND 9.10.5-S1 hasta 9.11.6-S1 de BIND 9 Supported Preview Edition.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"security-officer@isc.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"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:bind:9.10.5:s1:*:*:supported_preview:*:*:*\",\"matchCriteriaId\":\"CAD41122-C5D8-4256-8CB7-FF88DCD96A13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*\",\"matchCriteriaId\":\"8AF9D390-0D5B-4963-A2D3-BF1E7CD95E9D\"}]}]}],\"references\":[{\"url\":\"https://kb.isc.org/docs/cve-2019-6469\",\"source\":\"security-officer@isc.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp%3Butm_medium=RSS\",\"source\":\"security-officer@isc.org\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading...

Loading...

Loading...
  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.