{ "id": "CVE-2023-2829", "sourceIdentifier": "security-officer@isc.org", "published": "2023-06-21T17:15:47.770", "lastModified": "2023-06-21T18:57:48.280", "vulnStatus": "Awaiting Analysis", "descriptions": [ { "lang": "en", "value": "A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely terminated using a zone with a malformed NSEC record.\nThis issue affects BIND 9 versions 9.16.8-S1 through 9.16.41-S1 and 9.18.11-S1 through 9.18.15-S1." } ], "metrics": { "cvssMetricV31": [ { "source": "security-officer@isc.org", "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 } ] }, "references": [ { "url": "https://kb.isc.org/docs/cve-2023-2829", "source": "security-officer@isc.org" } ] }