{"id":18643,"date":"2022-04-29T16:48:03","date_gmt":"2022-04-29T13:48:03","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=18643"},"modified":"2022-04-29T16:48:03","modified_gmt":"2022-04-29T13:48:03","slug":"amd-ve-intel-islemcileri-tehdit-eden-guvenlik-aciklari","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=18643","title":{"rendered":"AMD ve Intel \u0130\u015flemcileri Tehdit Eden G\u00fcvenlik A\u00e7\u0131klar\u0131"},"content":{"rendered":"<p>\u0130\u015flemci kesiminin \u00f6nderleri olan <strong>AMD ve Intel<\/strong>, son vakitlerde k\u0131yas\u0131ya bir rekabet veriyor. Bu rekabette vakit zaman Intel \u00f6ne ge\u00e7erken son birka\u00e7 y\u0131ld\u0131r AMD\u2019nin \u00fcst\u00fcnl\u00fck kurdu\u011fu s\u00f6ylenebilir. \u0130ki \u015firket, birbirlerinin \u00f6n\u00fcne ge\u00e7ebilmek i\u00e7in i\u015flemci mimarisinden <strong>g\u00fcvenli\u011fe<\/strong> kadar pek \u00e7ok noktada a\u011f\u0131r gayret sarf ediyor. Lakin g\u00fcvenlik ara\u015ft\u0131rmac\u0131lar\u0131, hem AMD hem de Intel CPU\u2019lar i\u00e7in yeni <strong>g\u00fcvenlik a\u00e7\u0131klar\u0131<\/strong> ke\u015ffetti.<\/p>\n<p>AMD imzal\u0131 CPU\u2019lar\u0131 tehdit eden g\u00fcvenlik a\u00e7\u0131\u011f\u0131yla ba\u015flayacak olursak ara\u015ft\u0131rmac\u0131lar, b\u00e2t\u0131n datalar\u0131 s\u0131zd\u0131rabilen iki yeni <strong>\u2018Take A Way\u2019<\/strong> sald\u0131r\u0131s\u0131n\u0131n ortaya \u00e7\u0131kt\u0131\u011f\u0131n\u0131 belirtiyor. <strong>2011\u2019den 2019\u2019a kadar \u00fcretilmi\u015f <\/strong>t\u00fcm AMD i\u015flemcileri tehdit eden bu a\u00e7\u0131k Zen mimarisini de etkiliyor. Bu noktada <strong>\u2018Collide+Probe\u2019<\/strong> ismi verilen bir sistem ile sald\u0131rgan, kurban\u0131n bellek eri\u015fimini izleyebilirken <strong>\u2018Load+Reload\u2019<\/strong> yoluysa birebir fizik\u00ee \u00e7ekirdekte son derece hassas bellek eri\u015fimi m\u00fcsaadelerini elde etmenin yolu olarak kullan\u0131l\u0131yor.<\/p>\n<p><b>Intel i\u015flemciler de tehlike alt\u0131nda:<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/49\/68cb05e4424a28b2be2538f96f6e96afe703e0e2.jpeg\"\/><\/p>\n<p>AMD\u2019nin yan\u0131 s\u0131ra ara\u015ft\u0131rmac\u0131lar, Intel\u2019in <strong>Birle\u015fik G\u00fcvenlik ve \u0130dare Motoru\u2019nu (CSME)<\/strong> etkileyen bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131 daha ke\u015ffettiler. Bir makineye mahall\u00ee yahut fizik\u00ee eri\u015fim kurabilen sald\u0131rganlar, CSME\u2019ye <strong>direkt bellek eri\u015fimi<\/strong> sald\u0131r\u0131s\u0131 yapabiliyorlar. Yap\u0131lan h\u00fccumla donan\u0131m kimlikleri taklit edilebiliyor, dijital i\u00e7erik ele ge\u00e7irilebiliyor ve \u015fifrelenmi\u015f sabit disklerden gelen bilgilerin \u015fifresi \u00e7\u00f6z\u00fclebiliyor.<\/p>\n<p>\u00d6te yandan \u00f6ny\u00fckleme kodu ve RAM, Intel\u2019in CPU\u2019lar\u0131na g\u00f6m\u00fcl\u00fc olarak kodland\u0131\u011f\u0131ndan bu g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131n <strong>yeni bir g\u00fcncellemeyle<\/strong> d\u00fczelme ihtimali de bulunmuyor. Bununla birlikte sald\u0131rganlar\u0131n makus gayeli kod y\u00fcr\u00fcterek eri\u015febildi\u011fi CSME\u2019nin yonga seti anahtar\u0131, <strong>son 5 y\u0131l i\u00e7inde geli\u015ftirilen<\/strong> t\u00fcm Intel i\u015flemcilerde t\u0131pk\u0131 olmas\u0131yla biliniyor.<\/p>\n<p>T\u00fcm bu anlat\u0131lanlar, her iki platformda da <strong>\u00f6nemli bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131na<\/strong> i\u015faret edebiliyor olabilir lakin bu g\u00fcvenlik a\u00e7\u0131\u011f\u0131ndan yararlanmak i\u00e7in y\u00fcksek teknolojik bilgi, \u00f6zel ekipmanlar ve bilgisayarlara mahall\u00ee yahut fizik\u00ee eri\u015fim gerekti\u011fini unutmamak gerekiyor.<\/p>\n<div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0130\u015flemci kesiminin \u00f6nderleri olan AMD ve Intel, son vakitlerde k\u0131yas\u0131ya bir rekabet veriyor. Bu rekabette vakit zaman Intel \u00f6ne ge\u00e7erken son &#8230;<\/p>\n","protected":false},"author":1,"featured_media":18644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[854],"tags":[1133,1021,1533,902,901],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18643"}],"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=18643"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18643\/revisions"}],"predecessor-version":[{"id":18645,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/18643\/revisions\/18645"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/18644"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}