{"id": "CVE-2021-25219", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-officer@isc.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2021-10-27T21:15:07.613", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf", "tags": ["Patch", "Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://kb.isc.org/v1/docs/cve-2021-25219", "tags": ["Vendor Advisory"], "source": "security-officer@isc.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EF4NAVRV4H3W4GA3LGGZYUKD3HSJBAVW/", "source": "security-officer@isc.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGV7SA27CTYLGFJSPUM3V36ZWK7WWDI4/", "source": "security-officer@isc.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTKC4E3HUOLYN5IA4EBL4VAQSWG2ZVTX/", "source": "security-officer@isc.org"}, {"url": "https://security.gentoo.org/glsa/202210-25", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://security.netapp.com/advisory/ntap-20211118-0002/", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://www.debian.org/security/2021/dsa-4994", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}, {"url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "tags": ["Third Party Advisory"], "source": "security-officer@isc.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In BIND 9.3.0 -> 9.11.35, 9.12.0 -> 9.16.21, and versions 9.9.3-S1 -> 9.11.35-S1 and 9.16.8-S1 -> 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response processing can cause degradation in BIND resolver performance. The way the lame cache is currently designed makes it possible for its internal data structures to grow almost infinitely, which may cause significant delays in client query processing."}, {"lang": "es", "value": "En BIND versiones 9.3.0 posteriores a 9.11.35, versiones 9.12.0 posteriores a 9.16.21, y en versiones 9.9.3-S1 posteriores a 9.11.35-S1 y versiones 9.16.8-S1 posteriores a 9.16.21-S1 de BIND Supported Preview Edition, as\u00ed como en las versiones 9.17.0 -> 9.17.18 de la rama de desarrollo de BIND 9.17, una explotaci\u00f3n de servidores autoritativos rotos usando un fallo en el procesamiento de respuestas puede causar una degradaci\u00f3n en el rendimiento del resolver BIND. La forma en que est\u00e1 dise\u00f1ada actualmente la cach\u00e9 de lame hace posible que sus estructuras de datos internas crezcan casi infinitamente, lo que puede causar retrasos significativos en el procesamiento de las consultas de los clientes"}], "lastModified": "2023-11-07T03:31:25.127", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "0889BB06-FFB2-4F61-B8AB-0AEAC4AD8029", "versionEndExcluding": "9.11.36", "versionStartIncluding": "9.3.0"}, {"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "53C15722-9393-4195-A685-151D1777B245", "versionEndExcluding": "9.16.22", "versionStartIncluding": "9.12.0"}, {"criteria": "cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "40CC1E3A-075D-437B-8685-AB07FCB336F6", "versionEndExcluding": "9.17.19", "versionStartIncluding": "9.17.0"}, {"criteria": 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