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CVE-2022-3736 (GCVE-0-2022-3736)

Vulnerability from cvelistv5 – Published: 2023-01-25 21:39 – Updated: 2025-04-01 14:10
VLAI
Title
named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries
Summary
BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-01 14:10 UTC
CWE
  • n/a
  • CWE-20 - Improper Input Validation
Assigner
References
URL Tags
https://kb.isc.org/docs/cve-2022-3736 vendor-advisory
Impacted products
Vendor Product Version CPE status
ISC BIND 9 Affected: 9.16.12 , ≤ 9.16.36 (custom)
Affected: 9.18.0 , ≤ 9.18.10 (custom)
Affected: 9.19.0 , ≤ 9.19.8 (custom)
Affected: 9.16.12-S1 , ≤ 9.16.36-S1 (custom)
guessed Create a notification for this product.
Date Public
2023-01-25 00:00
Credits
ISC would like to thank Borja Marcos from Sarenet (with assistance by Iratxe Niño from Fundación Sarenet) for bringing this vulnerability to our attention.
Show details on NVD website
To clipboard 

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      "title": "bind: sending specific queries to the resolver may cause a DoS",
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      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-31T01:48:50Z",
      "cve": "CVE-2022-3736",
      "id": "CVE-2022-3736",
      "initial_release_date": "2023-02-15T03:30:53Z",
      "product_status:known_affected": "284",
      "product_status:known_not_affected": "424",
      "product_status:recommended": "232",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-3736",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-3736.json",
      "version": "42"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T01:20:57.535Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "CVE-2022-3736",
                "tags": [
                  "vendor-advisory",
                  "x_transferred"
                ],
                "url": "https://kb.isc.org/docs/cve-2022-3736"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-3736",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-04-01T14:10:30.864635Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "cweId": "CWE-20",
                    "description": "CWE-20 Improper Input Validation",
                    "lang": "en",
                    "type": "CWE"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-04-01T14:10:42.808Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "BIND 9",
              "vendor": "ISC",
              "versions": [
                {
                  "lessThanOrEqual": "9.16.36",
                  "status": "affected",
                  "version": "9.16.12",
                  "versionType": "custom"
                },
                {
                  "lessThanOrEqual": "9.18.10",
                  "status": "affected",
                  "version": "9.18.0",
                  "versionType": "custom"
                },
                {
                  "lessThanOrEqual": "9.19.8",
                  "status": "affected",
                  "version": "9.19.0",
                  "versionType": "custom"
                },
                {
                  "lessThanOrEqual": "9.16.36-S1",
                  "status": "affected",
                  "version": "9.16.12-S1",
                  "versionType": "custom"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "value": "ISC would like to thank Borja Marcos from Sarenet (with assistance by Iratxe Ni\u00f1o from Fundaci\u00f3n Sarenet) for bringing this vulnerability to our attention."
            }
          ],
          "datePublic": "2023-01-25T00:00:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query.\nThis issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1."
            }
          ],
          "exploits": [
            {
              "lang": "en",
              "value": "We are not aware of any active exploits."
            }
          ],
          "impacts": [
            {
              "descriptions": [
                {
                  "lang": "en",
                  "value": "By sending specific queries to the resolver, an attacker can cause `named` to crash."
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "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"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "n/a",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-01-26T06:03:10.975Z",
            "orgId": "404fd4d2-a609-4245-b543-2c944a302a22",
            "shortName": "isc"
          },
          "references": [
            {
              "name": "CVE-2022-3736",
              "tags": [
                "vendor-advisory"
              ],
              "url": "https://kb.isc.org/docs/cve-2022-3736"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.37, 9.18.11, 9.19.9, or 9.16.37-S1."
            }
          ],
          "source": {
            "discovery": "EXTERNAL"
          },
          "title": "named configured to answer from stale cache may terminate unexpectedly while processing RRSIG queries",
          "workarounds": [
            {
              "lang": "en",
              "value": "Setting `stale-answer-client-timeout` to `0` or to `off/disabled` will prevent BIND from crashing due to this issue."
            }
          ]
        }
      },
      "cveMetadata": {
        "assignerOrgId": "404fd4d2-a609-4245-b543-2c944a302a22",
        "assignerShortName": "isc",
        "cveId": "CVE-2022-3736",
        "datePublished": "2023-01-25T21:39:18.187Z",
        "dateReserved": "2022-10-28T07:04:32.966Z",
        "dateUpdated": "2025-04-01T14:10:47.439Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.