{"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\/sk\/blog\/news\/positive-technologies-soobshhila-o-nahodke-novoj-potentsialnoj-zakladki-v-chipah-intel","title":{"rendered":"Positive Technologies ozn\u00e1mila n\u00e1lez novej potenci\u00e1lnej \"zadnej cesty\" v \u010dipoch Intel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

M\u00e1lokto bude polemizova\u0165 o tom, \u017ee procesory s\u00fa dos\u0165 zlo\u017eit\u00fdmi rie\u0161eniami, ktor\u00e9 jednoducho nem\u00f4\u017eu fungova\u0165 bez seba diagnostiky a zlo\u017eit\u00fdch kontroln\u00fdch prostriedkov ako v \u0161t\u00e1diu v\u00fdroby, tak aj po\u010das prev\u00e1dzky. V\u00fdvoj\u00e1ri musia ma\u0165 prostriedky \u201eabsol\u00fatnej moci\u201c, aby si boli \u00faplne ist\u00ed kvalitou v\u00fdrobku. A tieto n\u00e1stroje nikam nezmizn\u00fa. V bud\u00facnosti m\u00f4\u017eu v\u0161etky tieto diagnostick\u00e9 prostriedky v procesore sl\u00fa\u017ei\u0165 dobr\u00fdm cie\u013eom, ako s\u00fa technol\u00f3gie vzdialen\u00e9ho monitorovania ako Intel AMT, a z\u00e1rove\u0148 m\u00f4\u017eu potenci\u00e1lne predstavova\u0165 zadn\u00e9 vr\u00e1tka pre tajn\u00e9 slu\u017eby alebo zlo\u010dincov, \u010do je pre pou\u017e\u00edvate\u013ea \u010dasto to ist\u00e9.<\/p>\n

\"Positive<\/p>\n

Ako si mo\u017eno pam\u00e4t\u00e1te, v m\u00e1ji 2016 \u0161pecialisti spolo\u010dnosti Positive Technologies objavili, \u017ee modul Intel Management Engine 11 na implement\u00e1ciu technol\u00f3gie AMT v r\u00e1mci syst\u00e9mov\u00e9ho hubu (PCH) pre\u0161iel v\u00e1\u017enymi zmenami a stal sa zranite\u013en\u00fdm vo\u010di \u00fatokom \u00fato\u010dn\u00edkov. Do verzie IME 11 bol modul na jedine\u010dnej architekt\u00fare a bez \u0161peci\u00e1lnej dokument\u00e1cie nepredstavoval osobitn\u00e9 nebezpe\u010denstvo, av\u0161ak mohol odhali\u0165 pr\u00edstup k inform\u00e1ci\u00e1m v pam\u00e4ti PC. Od verzie IME 11 sa modul stal x86-kompatibiln\u00fdm a pr\u00edstupn\u00fdm na presk\u00famanie \u0161irok\u00fdmi masami (podrobnosti o zranite\u013enosti INTEL-SA-00086 tu a \u010falej v odkazoch). Navy\u0161e, o rok nesk\u00f4r sa uk\u00e1zalo spojenie medzi IME a \u0161pehovac\u00edm programom NSA USA. \u010eal\u0161ie sk\u00famanie IME viedlo k objaveniu \u010fal\u0161ieho potenci\u00e1lneho \u201ezadn\u00e9ho vchodu\u201c v riadiacich obvodoch a procesoroch Intel, o ktorom v\u010dera na konferencii Black Hat v Singapure informovali odborn\u00edci Positive Technologies Maxim Goryachy a Mark Yermolov.<\/p>\n

V r\u00e1mci PCH hubu a v procesoroch Intel bol objaven\u00fd multifunk\u010dn\u00fd logick\u00fd analyz\u00e1tor sign\u00e1lov VISA (Intel Visualization of Internal Signals Architecture). Presnej\u0161ie povedan\u00e9, VISA je tie\u017e n\u00e1stroj Intel na kontrolu procesorov na funk\u010dnos\u0165. Dokument\u00e1cia k bloku nie je verejne dostupn\u00e1, ale to neznamen\u00e1, \u017ee neexistuje. \u0160t\u00fadium VISA odhalilo, \u017ee z v\u00fdroby deakt\u00edvny analyz\u00e1tor m\u00f4\u017ee by\u0165 aktivovan\u00fd hackerom, a poskytne pr\u00edstup ako k inform\u00e1ci\u00e1m v pam\u00e4ti PC, tak aj k sign\u00e1lnym sekvenci\u00e1m perif\u00e9ri\u00ed. Navy\u0161e sa na\u0161lo nieko\u013eko sp\u00f4sobov, ako aktivova\u0165 VISA.<\/p>\n

<\/center><\/p>\n

\"Positive<\/p>\n

Aktivova\u0165 VISA a z\u00edska\u0165 pr\u00edstup k webkamer\u00e1m sa podarilo na be\u017enej z\u00e1kladnej doske. Nebolo potrebn\u00e9 \u017eiadne \u0161peci\u00e1lne vybavenie. Tento a \u010fal\u0161\u00ed pr\u00edklad odborn\u00edci z Positive Technologies demon\u0161trovali po\u010das predn\u00e1\u0161ky na Black Hat. Priamo s NSA zatia\u013e nikto sp\u00e1janie VISA nezhoduje, okrem, samozrejme, kon\u0161pir\u00e1torov. Av\u0161ak ak existuje nedokumentovan\u00e1 mo\u017enos\u0165 aktivova\u0165 sign\u00e1lny analyz\u00e1tor v ktorejko\u013evek s\u00fastave na platforme Intel, niekde ju rozhodne aktivuj\u00fa.<\/p>\n

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Zdroj: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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tak aj v procese.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/positive-technologies-soobshhila-o-nahodke-novoj-potentsialnoj-zakladki-v-chipah-intel","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","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\udd47Positive Technologies \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043d\u0430\u0445\u043e\u0434\u043a\u0435 \u043d\u043e\u0432\u043e\u0439 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u00ab\u0437\u0430\u043a\u043b\u0430\u0434\u043a\u0438\u00bb \u0432 \u0447\u0438\u043f\u0430\u0445 Intel 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