CVE-2022-34303

{"id": "CVE-2022-34303", "metrics": {"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": "2022-08-26T18:15:09.087", "references": [{"url": "https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html", "source": "cve@mitre.org"}, {"url": "https://www.kb.cert.org/vuls/id/309662", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}, {"url": "https://edk2-docs.gitbook.io/understanding-the-uefi-secure-boot-chain/secure_boot_chain_in_uefi/uefi_secure_boot", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.kb.cert.org/vuls/id/309662", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is required for booting using external media."}, {"lang": "es", "value": "Se ha encontrado un fallo en los cargadores de arranque de Eurosoft versiones anteriores a 01-06-2022. Un atacante puede usar este administrador de arranque para omitir o manipular las protecciones de Secure Boot. Para cargar y ejecutar c\u00f3digo arbitrario en la fase de prearranque, un atacante s\u00f3lo simplemente debe sustituir el administrador de arranque firmado existente que se est\u00e1 usando actualmente por este administrador de arranque. Es requerido acceso a la partici\u00f3n del sistema EFI para arrancar usando medios externos."}], "lastModified": "2024-11-21T07:09:15.630", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:eurosoft-uk:uefi_bootloader:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DE45006-5899-4F6A-9C43-1D4C5BE6FCA7", "versionEndExcluding": "2022-06-01"}], "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:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E2C378B-1507-4C81-82F6-9F599616845A"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FAE4278F-71A7-43E9-8F79-1CBFAE71D730"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:21h2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "71E65CB9-6DC2-4A90-8C6A-103BEDC99823"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"}, {"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1"}, {"criteria": "cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5200AF17-0458-4315-A9D6-06C8DF67C05B"}, {"criteria": "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E93068DB-549B-45AB-8E5C-00EB5D8B5CF8"}, {"criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6CE5198-C498-4672-AF4C-77AB4BE06C5C"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A190388-AA82-4504-9D5A-624F23268C9F"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "821614DD-37DD-44E2-A8A4-FE8D23A33C3C"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}