{"id":475,"date":"2024-08-11T02:07:18","date_gmt":"2024-08-11T02:07:18","guid":{"rendered":"https:\/\/chicabinaria.com\/ch\/?p=475"},"modified":"2024-08-11T02:07:18","modified_gmt":"2024-08-11T02:07:18","slug":"el-error-sinkclose-casi-irreparable-afecta-a-cientos-de-millones-de-chips-amd","status":"publish","type":"post","link":"https:\/\/chicabinaria.com\/ch\/blog\/2024\/08\/11\/el-error-sinkclose-casi-irreparable-afecta-a-cientos-de-millones-de-chips-amd\/","title":{"rendered":"El error \u00abSinkclose\u00bb casi irreparable afecta a cientos de millones de chips AMD"},"content":{"rendered":"<p style=\"text-align: justify;\"><em><strong>Las fallas de seguridad en el firmware de su computadora, el c\u00f3digo profundamente arraigado que se carga primero cuando enciende la m\u00e1quina y controla incluso c\u00f3mo se inicia su sistema operativo<\/strong><\/em>, han sido durante mucho tiempo un objetivo para los piratas inform\u00e1ticos que buscan un punto de apoyo sigiloso. Pero rara vez ese tipo de vulnerabilidad aparece no en el firmware de ning\u00fan fabricante de computadoras en particular, sino en los chips que se encuentran en cientos de millones de PC y servidores. Ahora, los investigadores de seguridad han encontrado uno de esos fallos que ha persistido en los procesadores AMD durante d\u00e9cadas y que permitir\u00eda que el malware se introduzca lo suficientemente profundo en la memoria de una computadora como para que, en muchos casos, pueda ser m\u00e1s f\u00e1cil descartar una m\u00e1quina que desinfectarla.<\/p>\n<p style=\"text-align: justify;\">En la conferencia de hackers Defcon, Enrique Nissim y Krzysztof Okupski, investigadores de la firma de seguridad IOActive, planean presentar una vulnerabilidad en los chips AMD a los que llamar\u00e1n Sinkclose.<em><strong> La falla permitir\u00eda a los piratas inform\u00e1ticos ejecutar su propio c\u00f3digo en uno de los modos m\u00e1s privilegiados de un procesador AMD, conocido como Modo de administraci\u00f3n del sistema<\/strong><\/em>, dise\u00f1ado para reservarse solo para una parte espec\u00edfica y protegida de su firmware. Los investigadores de IOActive advierten que afecta pr\u00e1cticamente a todos los chips AMD que se remontan a 2006, o posiblemente incluso antes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Las fallas de seguridad en el firmware de su computadora, el c\u00f3digo profundamente arraigado que se carga primero cuando enciende la m\u00e1quina y controla incluso c\u00f3mo se inicia su sistema operativo, han sido durante mucho tiempo un objetivo para los piratas inform\u00e1ticos que buscan un punto de apoyo sigiloso. Pero rara vez ese tipo de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":476,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,12],"tags":[113,38],"class_list":{"0":"post-475","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-electronicos","8":"category-whats-hot","9":"tag-amd","10":"tag-electronicos"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El error &quot;Sinkclose&quot; casi irreparable afecta a cientos de millones de chips AMD - ChicaBinaria.Com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chicabinaria.com\/ch\/blog\/2024\/08\/11\/el-error-sinkclose-casi-irreparable-afecta-a-cientos-de-millones-de-chips-amd\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El error &quot;Sinkclose&quot; casi irreparable afecta a cientos de millones de chips AMD - ChicaBinaria.Com\" \/>\n<meta property=\"og:description\" content=\"Las fallas de seguridad en el firmware de su computadora, el c\u00f3digo profundamente arraigado que se carga primero cuando enciende la m\u00e1quina y controla incluso c\u00f3mo se inicia su sistema operativo, han sido durante mucho tiempo un objetivo para los piratas inform\u00e1ticos que buscan un punto de apoyo sigiloso. 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