{ "id": "CVE-2022-2601", "sourceIdentifier": "secalert@redhat.com", "published": "2022-12-14T21:15:10.190", "lastModified": "2024-11-21T07:01:19.873", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "A buffer overflow was found in grub_font_construct_glyph(). A malicious crafted pf2 font can lead to an overflow when calculating the max_glyph_size value, allocating a smaller than needed buffer for the glyph, this further leads to a buffer overflow and a heap based out-of-bounds write. An attacker may use this vulnerability to circumvent the secure boot mechanism." }, { "lang": "es", "value": "Se encontr\u00f3 un desbordamiento del b\u00fafer en grub_font_construct_glyph(). Una fuente pf2 manipulada maliciosamente puede provocar un desbordamiento al calcular el valor max_glyph_size, asignando un b\u00fafer m\u00e1s peque\u00f1o de lo necesario para el glifo, lo que adem\u00e1s provoca un desbordamiento del b\u00fafer y una escritura fuera de los l\u00edmites basada en el heap. Un atacante puede utilizar esta vulnerabilidad para eludir el mecanismo de arranque seguro." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.6, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 6.0 } ] }, "weaknesses": [ { "source": "secalert@redhat.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-122" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "versionEndIncluding": "2.06", "matchCriteriaId": "7E48B3B4-3F7F-4169-ABC8-448AA351276E" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*", "matchCriteriaId": "E30D0E6F-4AE8-4284-8716-991DFA48CC5D" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "4DDA3E5A-8754-4C48-9A27-E2415F8A6000" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "868A6ED7-44DD-44FF-8ADD-9971298A1175" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "6897676D-53F9-45B3-B27F-7FF9A4C58D33" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "4DF2B9A2-8CA6-4EDF-9975-07265E363ED2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "7DA6A5AF-2EBE-4ED9-B312-DCD9D150D031" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "492DF629-16B8-4882-822D-A6897B03DD30" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "B09ACF2D-D83F-4A86-8185-9569605D8EE1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "48C2E003-A71C-4D06-B8B3-F93160568182" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*", "matchCriteriaId": "3921C1CF-A16D-4727-99AD-03EFFA7C91CA" }, { "vulnerable": true, "criteria": "cpe:2.3:o:redhat:enterprise_linux_server_update_services_for_sap_solutions:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "BE1A81A1-63EC-431C-9CBC-8D28C15AB3E5" } ] } ] } ], "references": [ { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0", "source": "secalert@redhat.com", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202311-14", "source": "secalert@redhat.com" }, { "url": "https://security.netapp.com/advisory/ntap-20230203-0004/", "source": "secalert@redhat.com" }, { "url": "https://arstechnica.com/security/2024/08/a-patch-microsoft-spent-2-years-preparing-is-making-a-mess-for-some-linux-users/", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Issue Tracking", "Third Party Advisory" ] }, { "url": "https://security.gentoo.org/glsa/202311-14", "source": "af854a3a-2127-422b-91ae-364da2661108" }, { "url": "https://security.netapp.com/advisory/ntap-20230203-0004/", "source": "af854a3a-2127-422b-91ae-364da2661108" } ] }