CVE-2021-20225

{"id": "CVE-2021-20225", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2021-03-03T17:15:11.973", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1924696", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/", "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/202104-05", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.netapp.com/advisory/ntap-20220325-0001/", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en grub2 en versiones anteriores a 2.06. El analizador de opciones permite a un atacante escribir m\u00e1s all\u00e1 del final de un b\u00fafer asignado a la pila al llamar a determinados comandos con una gran cantidad de formularios de opciones cortos espec\u00edficos. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, as\u00ed como la disponibilidad del sistema"}], "lastModified": "2023-11-07T03:29:00.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01F8D62F-70BB-4718-A095-D68540C17EEA", "versionEndExcluding": "2.06"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C8D871B-AEA1-4407-AEE3-47EC782250FF"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98381E61-F082-4302-B51F-5648884F998B"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D99A687E-EAE6-417E-A88E-D0082BC194CD"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7431ABC1-9252-419E-8CC1-311B41360078"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6897676D-53F9-45B3-B27F-7FF9A4C58D33"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF77CDCF-B9C9-427D-B2BF-36650FB2148C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21690BAC-2129-4A33-9B48-1F3BF30072A9"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:8.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F2FF6D89-9361-45B9-ABCC-1A5E600BD63C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5F7E11E-FB34-4467-8919-2B6BEAABF665"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17F256A9-D3B9-4C72-B013-4EFD878BFEA8"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B09ACF2D-D83F-4A86-8185-9569605D8EE1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}