FKIE_CVE-2019-6469

Vulnerability from fkie_nvd - Published: 2019-10-09 16:15 - Updated: 2026-06-17 02:39
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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 -> 9.11.6-S1 of BIND 9 Supported Preview Edition.
References
security-officer@isc.orghttps://kb.isc.org/docs/cve-2019-6469Third Party Advisory
security-officer@isc.orghttps://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS
af854a3a-2127-422b-91ae-364da2661108https://kb.isc.org/docs/cve-2019-6469Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K39751401?utm_source=f5support&amp%3Butm_medium=RSS
Impacted products
Vendor Product Version
isc bind 9.10.5
isc bind 9.11.6
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "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."
            }
          ]
        }
      ],
      "source": "security-officer@isc.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "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",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2019-6469",
  "lastModified": "2026-06-17T02:39:05.923",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "security-officer@isc.org",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-10-09T16:15:17.077",
  "references": [
    {
      "source": "security-officer@isc.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://kb.isc.org/docs/cve-2019-6469"
    },
    {
      "source": "security-officer@isc.org",
      "url": "https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp%3Butm_medium=RSS"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://kb.isc.org/docs/cve-2019-6469"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://support.f5.com/csp/article/K39751401?utm_source=f5support\u0026amp%3Butm_medium=RSS"
    }
  ],
  "sourceIdentifier": "security-officer@isc.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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.