{ "id": "CVE-2021-20271", "sourceIdentifier": "secalert@redhat.com", "published": "2021-03-26T17:15:13.000", "lastModified": "2024-11-21T05:46:15.240", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability." }, { "lang": "es", "value": "Se detect\u00f3 un fallo en la funcionalidad de comprobaci\u00f3n de firmas de RPM cuando se lee un archivo de paquete. Este fallo permite a un atacante que pueda convencer a una v\u00edctima de instalar un paquete aparentemente verificable, cuyo encabezado de firma fue modificado, causar una corrupci\u00f3n de la base de datos de RPM y ejecutar c\u00f3digo. La mayor amenaza de esta vulnerabilidad es la integridad de los datos, la confidencialidad y la disponibilidad del sistema." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.0, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "baseScore": 5.1, "accessVector": "NETWORK", "accessComplexity": "HIGH", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 4.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "secalert@redhat.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-345" } ] }, { "source": "nvd@nist.gov", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-345" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15.0", "versionEndExcluding": "4.15.1.3", "matchCriteriaId": "5017E785-D9A4-40BE-ADD8-4421BB138131" }, { "vulnerable": true, "criteria": "cpe:2.3:a:rpm:rpm:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16.0", "versionEndExcluding": "4.16.1.3", "matchCriteriaId": "F22989FC-E9C0-4189-BDFE-69346C3F8495" }, { "vulnerable": true, "criteria": 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{ "url": "https://www.starwindsoftware.com/security/sw-20220805-0002/", "source": "secalert@redhat.com", "tags": [ "Third Party Advisory" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934125", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/rpm-software-management/rpm/commit/d6a86b5e69e46cc283b1e06c92343319beb42e21", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMGXO3W6DHPO62GJ4VVF5DEUX5DRUR5K/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VHRPNBCRPDJHHQE3MBPSZK4H7X2IM7AC/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": 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