CVE-2023-2828

{"id": "CVE-2023-2828", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "security-officer@isc.org", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2023-06-21T17:15:47.703", "references": [{"url": "http://www.openwall.com/lists/oss-security/2023/06/21/6", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://kb.isc.org/docs/cve-2023-2828", "tags": ["Vendor Advisory"], "source": "security-officer@isc.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00021.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI/", "tags": ["Mailing List", "Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2/", "tags": ["Mailing List", "Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://security.netapp.com/advisory/ntap-20230703-0010/", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://www.debian.org/security/2023/dsa-5439", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "Every `named` instance configured to run as a recursive resolver maintains a cache database holding the responses to the queries it has recently sent to authoritative servers. The size limit for that cache database can be configured using the `max-cache-size` statement in the configuration file; it defaults to 90% of the total amount of memory available on the host. When the size of the cache reaches 7/8 of the configured limit, a cache-cleaning algorithm starts to remove expired and/or least-recently used RRsets from the cache, to keep memory use below the configured limit.\n\nIt has been discovered that the effectiveness of the cache-cleaning algorithm used in `named` can be severely diminished by querying the resolver for specific RRsets in a certain order, effectively allowing the configured `max-cache-size` limit to be significantly exceeded.\nThis issue affects BIND 9 versions 9.11.0 through 9.16.41, 9.18.0 through 9.18.15, 9.19.0 through 9.19.13, 9.11.3-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1."}], "lastModified": "2023-07-21T19:19:52.887", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "D07C6BAA-C1AB-46BA-8C43-2CAD9A56F9F7", "versionEndIncluding": "9.16.41", "versionStartIncluding": "9.11.0"}, {"criteria": 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