{"id":18547,"date":"2022-04-29T12:42:04","date_gmt":"2022-04-29T09:42:04","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=18547"},"modified":"2022-04-29T12:42:04","modified_gmt":"2022-04-29T09:42:04","slug":"intel-islemcilerde-duzeltilemeyen-bir-acik-kesfedildi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=18547","title":{"rendered":"Intel \u0130\u015flemcilerde D\u00fczeltilemeyen Bir A\u00e7\u0131k Ke\u015ffedildi"},"content":{"rendered":"<p>G\u00fcvenlik ara\u015ft\u0131rmac\u0131lar\u0131, Intel i\u015flemcilerde d\u00fczeltilmesi m\u00fcmk\u00fcn olmayan bir <strong>g\u00fcvenlik a\u00e7\u0131\u011f\u0131<\/strong> ke\u015ffetti.\u00a0A\u00e7\u0131k, sistem \u00f6ny\u00fcklemesini, g\u00fc\u00e7 seviyelerini, eser yaz\u0131l\u0131m\u0131n\u0131 ve en k\u0131ymetlisi \u015fifreleme fonksiyonlar\u0131n\u0131 denetim eden\u00a0Intel&#39;in\u00a0Birle\u015fik G\u00fcvenlik ve \u0130dare Motoru&#39;nu (CSME) etkiliyor.<\/p>\n<p>Kendi 486-tabanl\u0131 CPU, RAM ve \u00f6ny\u00fckleme ROM&#39;una sahip olan CSME, bilgisayar\u0131n\u0131z\u0131 ba\u015flatt\u0131\u011f\u0131n\u0131zda \u00e7al\u0131\u015fan birinci \u015fey. Bu \u00fcnitenin yapt\u0131\u011f\u0131 birinci \u015feylerden biri de kendi belle\u011fini korumak\u00a0ancak savunmas\u0131z kald\u0131\u011f\u0131 k\u0131sa bir an var. \u015eayet bilgisayar korsanlar\u0131n\u0131n bir makineye mahall\u00ee yahut fizik\u00ee eri\u015fimi varsa, CSME&#39;ye <strong>DMA<\/strong> (do\u011frudan bellek eri\u015fimi) sald\u0131r\u0131s\u0131 yapabiliyorlar.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/49\/a49cde4ad9e978a3ed6560b17e5c9855d666c27f.jpeg\"\/><\/p>\n<p>Yap\u0131lan h\u00fccumla donan\u0131m kimlikleri taklit edilebiliyor, dijital i\u00e7erik ele ge\u00e7irilebiliyor ve \u015fifrelenmi\u015f sabit disklerden gelen datalar\u0131n \u015fifresi \u00e7\u00f6z\u00fclebiliyor.\u00a0\u00d6ny\u00fckleme kodu ve RAM, Intel&#39;in CPU&#39;lar\u0131na g\u00f6m\u00fcl\u00fc olarak olarak kodland\u0131\u011f\u0131ndan, g\u00fcvenlik a\u00e7\u0131\u011f\u0131 silikon de\u011fi\u015ftirilmeden yamalanam\u0131yor.<\/p>\n<p>Sald\u0131rganlar\u00a0k\u00f6t\u00fc gayeli kod y\u00fcr\u00fcterek CSME&#39;nin\u00a0<strong>yonga seti anahtar\u0131na<\/strong> eri\u015febilirse, uygulamalarla birlikte i\u015fletim sisteminin temel k\u0131s\u0131mlar\u0131na eri\u015febilir ve \u00f6nemli hasar verebilir.\u00a0Bu yonga seti\u00a0anahtar\u0131 platforma has de\u011fil ve son 5 y\u0131l i\u00e7inde geli\u015ftirilen t\u00fcm Intel i\u015flemciler i\u00e7in tek bir anahtar kullan\u0131l\u0131yor.<\/p>\n<p>Kula\u011fa vahim gelebilir, lakin bu\u00a0g\u00fcvenlik a\u00e7\u0131\u011f\u0131ndan yararlanmak y\u00fcksek teknolojik bilgi, \u00f6zel ekipmanlar ve bilgisayarlara lokal yahut fizik\u00ee eri\u015fim gerektiriyor. Hacker&#39;lar sistemin i\u00e7ine girdikten sonra, bilgisayara <strong>uzaktan eri\u015fim<\/strong> elde edebiliyor.<\/p>\n<div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>G\u00fcvenlik ara\u015ft\u0131rmac\u0131lar\u0131, Intel i\u015flemcilerde d\u00fczeltilmesi m\u00fcmk\u00fcn olmayan bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131 ke\u015ffetti.\u00a0A\u00e7\u0131k, sistem \u00f6ny\u00fcklemesini, g\u00fc\u00e7 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":18548,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[851],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18547"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18547"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18547\/revisions"}],"predecessor-version":[{"id":18549,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18547\/revisions\/18549"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/18548"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}