{"id":104811,"date":"2022-08-11T03:36:41","date_gmt":"2022-08-11T01:36:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/aepic-leak-ataka-privodyashhaya-k-utechke-klyuchej-iz-anklavov-intel-sgx"},"modified":"2022-08-11T03:36:41","modified_gmt":"2022-08-11T01:36:41","slug":"aepic-leak-ataka-privodyashhaya-k-utechke-klyuchej-iz-anklavov-intel-sgx","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/aepic-leak-ataka-privodyashhaya-k-utechke-klyuchej-iz-anklavov-intel-sgx","title":{"rendered":"AEPIC Leak \u2014 en attack som leder till l\u00e4ckage av nycklar fr\u00e5n Intel SGX-enklaver.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u043d\u043e\u0432\u043e\u0439 \u0430\u0442\u0430\u043a\u0435 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b Intel — AEPIC Leak (CVE-2022-21233), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0430\u043d\u043a\u043b\u0430\u0432\u043e\u0432 Intel SGX (Software Guard eXtensions). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 10, 11 \u0438 12 \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f CPU Intel (\u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043d\u043e\u0432\u044b\u0435 \u0441\u0435\u0440\u0438\u0438 Ice Lake \u0438 Alder Lake) \u0438 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043d\u043e\u0439 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c, \u043e\u0441\u0442\u0430\u0432\u0448\u0438\u043c\u0441\u044f \u0432 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0445 APIC (Advanced Programmable Interrupt Controller) \u043f\u043e\u0441\u043b\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u043b\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439. <\/p>\n

\u0412 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u0430\u0442\u0430\u043a \u043a\u043b\u0430\u0441\u0441\u0430 Spectre, \u0443\u0442\u0435\u0447\u043a\u0430 \u0432 AEPIC Leak \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0431\u0435\u0437 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u043c \u043a\u0430\u043d\u0430\u043b\u0430\u043c — \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442\u0441\u044f \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u043e\u0432, \u043e\u0442\u0440\u0430\u0436\u0451\u043d\u043d\u044b\u0445 \u0432 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 MMIO (memory-mapped I\/O). \u0412 \u043e\u0431\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u0430\u0442\u0430\u043a\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u043c\u0435\u0436\u0434\u0443 \u043a\u044d\u0448\u0430\u043c\u0438 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u0435\u0439, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u043e\u0432 \u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0447\u0442\u0435\u043d\u0438\u044f \u0438\u0437 \u043f\u0430\u043c\u044f\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u043e \u044d\u0442\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043b\u0438\u0441\u044c \u043d\u0430 \u0442\u043e\u043c \u0436\u0435 \u044f\u0434\u0440\u0435 CPU. <\/p>\n

Eftersom attacken kr\u00e4ver \u00e5tkomst till de fysiska sidorna av APIC MMIO, d.v.s. administrativa privilegier \u00e4r n\u00f6dv\u00e4ndiga, \u00e4r metoden begr\u00e4nsad till attacker mot SGX enclaves, dit administrat\u00f6rer inte har direkt \u00e5tkomst. Forskare har utvecklat verktyg f\u00f6r att inom n\u00e5gra sekunder identifiera de lagrade AES-NI- och RSA-nycklarna i SGX, samt Intel SGX:s attestationsnycklar och parametrarna f\u00f6r den pseudorandomiserade generatorn. Koden f\u00f6r att genomf\u00f6ra attacken har publicerats p\u00e5 GitHub. <\/p>\n

Intel har meddelat att de f\u00f6rbereder en fix i form av ett mikrokodsuppdatering, d\u00e4r st\u00f6d f\u00f6r t\u00f6mning av buffertar implementeras och ytterligare \u00e5tg\u00e4rder f\u00f6r att skydda data i enclaves har lagts till. En ny version av SDK f\u00f6r Intel SGX har ocks\u00e5 f\u00f6rberetts med \u00e4ndringar som f\u00f6rhindrar datal\u00e4ckor. Operativsystem och hypervisor-utvecklare rekommenderas att anv\u00e4nda x2APIC-l\u00e4get ist\u00e4llet f\u00f6r den f\u00f6r\u00e5ldrade xAPIC-l\u00e4get, d\u00e4r MSR-register anv\u00e4nds f\u00f6r att f\u00e5 \u00e5tkomst till APIC-register ist\u00e4llet f\u00f6r MMIO.
\n
K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u043d\u043e\u0432\u043e\u0439 \u0430\u0442\u0430\u043a\u0435 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b Intel — AEPIC Leak (CVE-2022-21233), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0430\u043d\u043a\u043b\u0430\u0432\u043e\u0432 Intel SGX (Software Guard eXtensions). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 10, 11 \u0438 12 \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f CPU Intel (\u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043d\u043e\u0432\u044b\u0435 \u0441\u0435\u0440\u0438\u0438 Ice Lake \u0438 Alder Lake) \u0438 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u043d\u043e\u0439 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c, \u043e\u0441\u0442\u0430\u0432\u0448\u0438\u043c\u0441\u044f \u0432 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0445 APIC […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104811","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47AEPIC Leak \u2014 en attack som leder till l\u00e4ckage av nycklar fr\u00e5n Intel SGX enclaves | ProHoster","description":"Detaljer om en ny attack mot Intel-processorer har avsl\u00f6jats - AEPIC Leak (CVE-2022-21233), som leder till l\u00e4ckage av k\u00e4nslig information fr\u00e5n isolerade Intel SGX (Software Guard eXtensions) enclaves.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/aepic-leak-ataka-privodyashhaya-k-utechke-klyuchej-iz-anklavov-intel-sgx","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47AEPIC Leak \u2014 \u0430\u0442\u0430\u043a\u0430, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u043a\u043b\u044e\u0447\u0435\u0439 \u0438\u0437 \u0430\u043d\u043a\u043b\u0430\u0432\u043e\u0432 Intel SGX | ProHoster","og:description":"\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u043d\u043e\u0432\u043e\u0439 \u0430\u0442\u0430\u043a\u0435 \u043d\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b Intel - AEPIC Leak (CVE-2022-21233), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0430\u043d\u043a\u043b\u0430\u0432\u043e\u0432 Intel SGX (Software Guard eXtensions).","og:url":"https:\/\/prohoster.info\/sv\/blog\/news\/aepic-leak-ataka-privodyashhaya-k-utechke-klyuchej-iz-anklavov-intel-sgx","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-08-11T01:36:41+00:00","article:modified_time":"2022-08-11T01:36:41+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"104811","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2022-08-11 01:37:52","updated":"2022-10-01 23:35:37","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/posts\/104811","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/comments?post=104811"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/posts\/104811\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/media?parent=104811"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/categories?post=104811"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sv\/wp-json\/wp\/v2\/tags?post=104811"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}