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CVE-2023-5679 (GCVE-0-2023-5679)

Vulnerability from cvelistv5 – Published: 2024-02-13 14:05 – Updated: 2025-03-28 23:51
VLAI
Title
Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution
Summary
A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled. This issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-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: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-13 19:24 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
ISC BIND 9 Affected: 9.16.12 , ≤ 9.16.45 (custom)
Affected: 9.18.0 , ≤ 9.18.21 (custom)
Affected: 9.19.0 , ≤ 9.19.19 (custom)
Affected: 9.16.12-S1 , ≤ 9.16.45-S1 (custom)
Affected: 9.18.11-S1 , ≤ 9.18.21-S1 (custom)
guessed Create a notification for this product.
Date Public
2024-02-13 00:00
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-26T06:50:35+00:00",
      "cve": "CVE-2023-5679",
      "id": "CVE-2023-5679",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "580",
      "product_status:known_not_affected": "47",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "bind9: Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-5679.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-13T23:49:11Z",
      "cve": "CVE-2023-5679",
      "id": "CVE-2023-5679",
      "initial_release_date": "2024-02-17T03:27:19Z",
      "product_status:known_affected": "249",
      "product_status:known_not_affected": "453",
      "product_status:recommended": "272",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-5679",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-5679.json",
      "version": "53"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://kb.isc.org/docs/cve-2023-5679\", \"name\": \"CVE-2023-5679\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/02/13/1\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240426-0002/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T08:07:32.560Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-5679\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-02-13T19:24:41.299409Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-617\", \"description\": \"CWE-617 Reachable Assertion\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:11.240Z\"}}], \"cna\": {\"title\": \"Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"impacts\": [{\"descriptions\": [{\"lang\": \"en\", \"value\": \"By querying a DNS64-enabled resolver for domain names triggering serve-stale, an attacker can cause `named` to crash with an assertion failure.\"}]}], \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"ISC\", \"product\": \"BIND 9\", \"versions\": [{\"status\": \"affected\", \"version\": \"9.16.12\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.16.45\"}, {\"status\": \"affected\", \"version\": \"9.18.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.18.21\"}, {\"status\": \"affected\", \"version\": \"9.19.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.19.19\"}, {\"status\": \"affected\", \"version\": \"9.16.12-S1\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.16.45-S1\"}, {\"status\": \"affected\", \"version\": \"9.18.11-S1\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"9.18.21-S1\"}], \"defaultStatus\": \"unaffected\"}], \"exploits\": [{\"lang\": \"en\", \"value\": \"We are not aware of any active exploits.\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.48, 9.18.24, 9.19.21, 9.16.48-S1, or 9.18.24-S1.\"}], \"datePublic\": \"2024-02-13T00:00:00.000Z\", \"references\": [{\"url\": \"https://kb.isc.org/docs/cve-2023-5679\", \"name\": \"CVE-2023-5679\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/02/13/1\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNNHZSZPG2E7NBMBNYPGHCFI4V4XRWNQ/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RGS7JN6FZXUSTC2XKQHH27574XOULYYJ/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HVRDSJVZKMCXKKPP6PNR62T7RWZ3YSDZ/\"}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDZFMEKQTZ4L7RY46FCENWFB5MDT263R/\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20240426-0002/\"}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Disabling serve-stale (with `stale-cache-enable no;` and `stale-answer-enable no;`) and/or disabling `dns64` makes the faulty code path impossible to reach, preventing this flaw from being exploitable.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A bad interaction between DNS64 and serve-stale may cause `named` to crash with an assertion failure during recursive resolution, when both of these features are enabled.\\nThis issue affects BIND 9 versions 9.16.12 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.12-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.\"}], \"providerMetadata\": {\"orgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"shortName\": \"isc\", \"dateUpdated\": \"2024-04-26T09:07:08.838Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-5679\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-28T23:51:12.042Z\", \"dateReserved\": \"2023-10-20T11:00:26.909Z\", \"assignerOrgId\": \"404fd4d2-a609-4245-b543-2c944a302a22\", \"datePublished\": \"2024-02-13T14:05:06.688Z\", \"assignerShortName\": \"isc\"}",
      "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.