{"id":30564,"date":"2019-10-31T21:36:12","date_gmt":"2019-10-31T18:36:12","guid":{"rendered":"https:\/\/prohoster.info\/blog\/positive-technologies-soobshhila-o-nahodke-novoj-potentsialnoj-zakladki-v-chipah-intel\/"},"modified":"2019-10-31T21:36:12","modified_gmt":"2019-10-31T18:36:12","slug":"positive-technologies-soobshhila-o-nahodke-novoj-potentsialnoj-zakladki-v-chipah-intel","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/positive-technologies-soobshhila-o-nahodke-novoj-potentsialnoj-zakladki-v-chipah-intel","title":{"rendered":"Positive Technologies heeft een nieuwe potenti\u00eble 'achterdeurtje' in Intel-chips ontdekt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Weinig mensen zullen het erover oneens zijn dat processoren behoorlijk complexe oplossingen zijn, die gewoon niet kunnen functioneren zonder zelfdiagnose en geavanceerde controle-instrumenten, zowel tijdens de productie als in de gebruiksfase. Ontwickelaars zijn verplicht om \"allesomvattende\" middelen te hebben om volledig zeker te zijn van de geschiktheid van het product. En deze tools verdwijnen nergens. In de toekomst kunnen al deze diagnostische instrumenten binnen de processor zowel dienen voor goede doeleinden, zoals technologie\u00ebn voor externe controle zoals Intel AMT, als potentieel een achterdeur worden voor inlichtingendiensten of kwaadwillenden, wat voor de gebruiker vaak hetzelfde is.<\/p>\n<p><img decoding=\"async\" alt=\"Positive Technologies heeft een nieuwe potenti\u00eble &#039;achterdeurtje&#039; in Intel-chips ontdekt\" src=\"\/wp-content\/uploads\/2019\/03\/d89975d3b8ec2c77d9898ded6c99be61.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Zoals u zich misschien herinnert, ontdekten specialisten van Positive Technologies in mei 2016 dat de Intel Management Engine 11-module, die de AMT-technologie in de systeemhub (PCH) implementeert, aanzienlijke wijzigingen heeft ondergaan en kwetsbaar is voor aanvallen van kwaadwillenden. Tot versie IME 11 was de module op een unieke architectuur gebaseerd en stelde deze, zonder speciale documentatie, geen grote bedreiging voor, maar kan toegang geven tot informatie in het geheugen van de pc. Met versie IME 11 werd de module x86-compatibel en toegankelijk voor een breed publiek om te bestuderen (meer over de kwetsbaarheid INTEL-SA-00086 hier en verder via de links). Bovendien werd een jaar later een verband ontdekt tussen IME en de spionageprogramma's van de NSA in de VS. Verdere studie van IME leidde tot de ontdekking van nog een potenti\u00eble \"achterdeur\" in de controllers en processoren van Intel, waarover gisteren op de Black Hat-conferentie in Singapore werd gesproken door de specialisten van Positive Technologies, Maxim Goryachiy en Mark Yermolov.<\/p>\n<p>In de PCH-hub en in Intel-processoren is een multifunctionele logische signaalanalysetool VISA (Intel Visualization of Internal Signals Architecture) ontdekt. Om preciezer te zijn, VISA is ook een Intel-hulpmiddel voor het controleren van processoren op functionaliteit. De documentatie van de module is niet openbaar beschikbaar, maar dat betekent niet dat deze er niet is. Onderzoek naar VISA heeft aangetoond dat de inactieve analyser die oorspronkelijk door Intel is gedeactiveerd, door een kwaadwillende kan worden geactiveerd, waardoor toegang wordt verleend tot zowel informatie in het geheugen van de pc als tot signaalreeksen van randapparatuur. Er zijn verschillende manieren gevonden om VISA in te schakelen.<\/p>\n<p><center><\/center><\/p>\n<p><img decoding=\"async\" alt=\"Positive Technologies heeft een nieuwe potenti\u00eble &#039;achterdeurtje&#039; in Intel-chips ontdekt\" src=\"\/wp-content\/uploads\/2019\/03\/936d46e3250846920e672fa5a50d1b5b.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>VISA inschakelen en bijvoorbeeld toegang krijgen tot webcams bleek mogelijk op een gewone moederbord. Hiervoor was geen speciale hardware nodig. Dit en een ander voorbeeld demonstreerden specialisten van Positive Technologies tijdens een presentatie op Black Hat. Niemand koppelt VISA voorlopig rechtstreeks aan de NSA, behalve natuurlijk samenzweerders. Maar als er een niet gedocumenteerde mogelijkheid is om een signaalanalysator in elk systeem op een Intel-platform in te schakelen, dan zal het ergens worden ingeschakeld.<\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>\n<br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/984950\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0440\u044f\u0434 \u043b\u0438 \u043a\u0442\u043e-\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0441\u043f\u043e\u0440\u0438\u0442\u044c \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b \u2015 \u044d\u0442\u043e \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0441\u043b\u043e\u0436\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u043e\u0441\u0442\u043e \u043d\u0435 \u043c\u043e\u0433\u0443\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0431\u0435\u0437 \u0441\u0430\u043c\u043e\u0434\u0438\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u043a\u0438 \u0438 \u0441\u043b\u043e\u0436\u043d\u044b\u0445 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u043a\u0430\u043a \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 \u0438\u0437\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u0438\u044f, \u0442\u0430\u043a \u0438 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438. \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0441\u0442\u043e \u043e\u0431\u044f\u0437\u0430\u043d\u044b \u0438\u043c\u0435\u0442\u044c \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 &laquo;\u0432\u0441\u0435\u0432\u043b\u0430\u0441\u0442\u0438\u044f&raquo;, \u0447\u0442\u043e\u0431\u044b \u0431\u044b\u0442\u044c \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0443\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u043c\u0438 \u0432 \u0433\u043e\u0434\u043d\u043e\u0441\u0442\u0438 \u0438\u0437\u0434\u0435\u043b\u0438\u044f. \u0418 \u0432\u0435\u0434\u044c \u044d\u0442\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u043d\u0438\u043a\u0443\u0434\u0430 \u043d\u0435 \u0434\u0435\u0432\u0430\u044e\u0442\u0441\u044f. \u0412 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22560,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-30564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u0440\u044f\u0434 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