{ "id": "CVE-2021-33582", "sourceIdentifier": "cve@mitre.org", "published": "2021-09-01T06:15:06.387", "lastModified": "2023-01-20T02:09:37.207", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Cyrus IMAP before 3.4.2 allows remote attackers to cause a denial of service (multiple-minute daemon hang) via input that is mishandled during hash-table interaction. Because there are many insertions into a single bucket, strcmp becomes slow. This is fixed in 3.4.2, 3.2.8, and 3.0.16." }, { "lang": "es", "value": "Cyrus IMAP versiones anteriores a 3.4.2, permite a atacantes remotos causar una denegaci\u00f3n de servicio (cuelgue del demonio de varios minutos) por medio de una entrada manejada inapropiadamente durante la interacci\u00f3n de la tabla hash. Debido a que presenta muchas inserciones en un solo cubo, strcmp se vuelve lento. Esto se ha corregido en las versiones 3.4.2, 3.2.8 y 3.0.16" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "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 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-327" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.16", "matchCriteriaId": "3180FA25-ACA7-4276-AF92-BF12B3EDE5E6" }, { "vulnerable": true, "criteria": "cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2.0", "versionEndExcluding": "3.2.8", "matchCriteriaId": "916CC243-1069-481C-9290-3C25B4ABBB8F" }, { "vulnerable": true, "criteria": "cpe:2.3:a:cyrus:imap:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4.0", "versionEndExcluding": "3.4.2", "matchCriteriaId": "59476520-45C7-4427-B599-A615972376DF" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835" }, { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252" } ] } ] } ], "references": [ { "url": "https://cyrus.topicbox.com/groups/announce/T3dde0a2352462975-M1386fc44adf967e072f8df13/cyrus-imap-3-4-2-3-2-8-and-3-0-16-released", "source": "cve@mitre.org", "tags": [ "Patch", "Vendor Advisory" ] }, { "url": "https://github.com/cyrusimap/cyrus-imapd/commits/master", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/cyrusimap/cyrus-imapd/security/advisories", "source": "cve@mitre.org", "tags": [ "Not Applicable", "Third Party Advisory" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2022/06/msg00013.html", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HEO3RURJW6NLIXS7NK5PVU6MGHC4SCM/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJZB45QBUN7CZFGOWCZYUYACNBTX7LVS/", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://www.cyrusimap.org/imap/download/release-notes/index.html", "source": "cve@mitre.org", "tags": [ "Patch", "Release Notes", "Vendor Advisory" ] } ] }