CVE-2019-1736

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The vulnerability is due to improper validation of the server firmware upgrade images. An attacker could exploit this vulnerability by installing a server firmware version that would allow the attacker to disable UEFI Secure Boot. A successful exploit could allow the attacker to bypass the signature validation checks that are done by UEFI Secure Boot technology and load a compromised software image on the affected device. A compromised software image is any software image that has not been digitally signed by Cisco."}, {"lang": "es", "value": "Una vulnerabilidad en el firmware de Cisco UCS C-Series Rack Servers, podr\u00eda permitir a un atacante f\u00edsico autenticado omitir las comprobaciones de validaci\u00f3n de Unified Extensible Firmware Interface (UEFI) Secure Boot y cargar una imagen de software comprometida en un dispositivo afectado. La vulnerabilidad es debido a una comprobaci\u00f3n inapropiada de las im\u00e1genes de actualizaci\u00f3n del firmware del servidor. Un atacante podr\u00eda explotar esta vulnerabilidad mediante la instalaci\u00f3n una versi\u00f3n de firmware del servidor que le permitir\u00eda deshabilitar el UEFI Secure Boot. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante omitir las comprobaciones de validaci\u00f3n de firmas que realiza la tecnolog\u00eda UEFI Secure Boot y cargar una imagen de software comprometida en el dispositivo afectado. Una imagen de software comprometida es cualquier imagen de software que no haya sido firmada digitalmente por Cisco"}], "lastModified": "2020-10-23T18:21:19.337", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:fmc1000-k9_bios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0E8EFE3-86C3-4BF1-BE42-8B551744CE8A", "versionEndExcluding": "4.0.1f.0"}, {"criteria": "cpe:2.3:o:cisco:fmc1000-k9_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1433B697-00F9-4406-997D-E17423E029B0", "versionEndExcluding": "4.0.2h"}], "operator": "AND"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:fmc2500-k9_bios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58ABEB14-1978-4153-8DEB-F7E3A4AC6CAA", "versionEndExcluding": "4.0.1f.0"}, {"criteria": "cpe:2.3:o:cisco:fmc2500-k9_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "476C0A42-BB56-46F5-8072-714A5CB83414", "versionEndExcluding": 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