{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-2601", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "dateUpdated": "2024-08-22T01:13:28.591Z", "dateReserved": "2022-08-01T00:00:00", "datePublished": "2022-12-14T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2023-11-25T12:06:24.538109"}, "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."}], "affected": [{"vendor": "n/a", "product": "grub2", "versions": [{"version": "grub2 2.06 and lower", "status": "affected"}]}], "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0"}, {"url": "https://security.netapp.com/advisory/ntap-20230203-0004/"}, {"name": "GLSA-202311-14", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202311-14"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-122->CWE-787", "cweId": "CWE-122"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-22T01:13:28.591Z"}, "references": [{"url": "https://arstechnica.com/security/2024/08/a-patch-microsoft-spent-2-years-preparing-is-making-a-mess-for-some-linux-users/"}, {"tags": ["x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0"}, {"tags": ["x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20230203-0004/"}, {"name": "GLSA-202311-14", "tags": ["vendor-advisory", "x_transferred"], "url": "https://security.gentoo.org/glsa/202311-14"}], "title": "CVE Program Container", "x_generator": {"engine": "ADPogram 0.0.1"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub2:*:*:*:*:*:*:*:*", "matchCriteriaId": "7E48B3B4-3F7F-4169-ABC8-448AA351276E", "versionEndIncluding": "2.06", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2022-2601", "lastModified": "2024-11-21T07:01:19.873", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-14T21:15:10.190", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/202311-14"}, {"source": "secalert@redhat.com", "url": "https://security.netapp.com/advisory/ntap-20230203-0004/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975#c0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202311-14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20230203-0004/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Zhang Boyang for reporting this issue.", "affected_release": [{"advisory": "RHSA-2024:2002", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "grub2-1:2.02-0.87.el7_9.14", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2024-04-23T00:00:00Z"}, {"advisory": "RHSA-2023:0049", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "grub2-1:2.02-142.el8_7.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-01-09T00:00:00Z"}, {"advisory": "RHSA-2022:8494", "cpe": "cpe:/o:redhat:rhel_e4s:8.1", "package": "grub2-1:2.02-87.el8_1.11", "product_name": "Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions", "release_date": "2022-11-16T00:00:00Z"}, {"advisory": "RHSA-2022:8800", "cpe": "cpe:/o:redhat:rhel_aus:8.2", "package": "grub2-1:2.02-87.el8_2.11", "product_name": "Red Hat Enterprise Linux 8.2 Advanced Update Support", "release_date": "2022-12-06T00:00:00Z"}, {"advisory": "RHSA-2022:8800", "cpe": "cpe:/o:redhat:rhel_tus:8.2", "package": "grub2-1:2.02-87.el8_2.11", "product_name": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service", "release_date": "2022-12-06T00:00:00Z"}, {"advisory": "RHSA-2022:8800", "cpe": "cpe:/o:redhat:rhel_e4s:8.2", "package": "grub2-1:2.02-87.el8_2.11", "product_name": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions", "release_date": "2022-12-06T00:00:00Z"}, {"advisory": "RHSA-2023:0047", "cpe": "cpe:/o:redhat:rhel_eus:8.4", "package": "grub2-1:2.02-99.el8_4.10", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2023-01-09T00:00:00Z"}, {"advisory": "RHSA-2023:0048", "cpe": "cpe:/o:redhat:rhel_eus:8.6", "package": "grub2-1:2.02-123.el8_6.12", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2023-01-09T00:00:00Z"}, {"advisory": "RHSA-2023:0752", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "grub2-1:2.06-46.el9_1.3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-02-14T00:00:00Z"}, {"advisory": "RHSA-2022:8978", "cpe": "cpe:/o:redhat:rhel_eus:9.0", "package": "grub2-1:2.06-27.el9_0.12", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2022-12-13T00:00:00Z"}], "bugzilla": {"description": "grub2: Buffer overflow in grub_font_construct_glyph() can lead to out-of-bound write and possible secure boot bypass", "id": "2112975", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2112975"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-122->CWE-787", "details": ["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.", "A flaw was found where a maliciously crafted pf2 font could lead to an out-of-bounds write in grub2. A successful attack can lead to memory corruption and secure boot circumvention."], "name": "CVE-2022-2601", "public_date": "2022-11-15T10:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-2601\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-2601\nhttps://lists.gnu.org/archive/html/grub-devel/2022-11/msg00059.html"], "statement": "Grub code needs to be updated after installing the relevant RPM.\nFor RHEL systems installed on machines with EFI based BIOS : sudo grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg\nFor RHEL systems installed on machines with legacy (msdos) based BIOS : sudo grub2-mkconfig -o /boot/grub2/grub.cfg\nFor BIOS based systems, after completing yum update, grub2-install needs to be run against the device where the boot partition is, for example, grub2-install /dev/vda.", "threat_severity": "Moderate"}

{}