{"id":15592,"date":"2022-04-24T01:30:04","date_gmt":"2022-04-23T22:30:04","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=15592"},"modified":"2022-04-24T01:30:04","modified_gmt":"2022-04-23T22:30:04","slug":"mozilla-firefoxta-degerli-bir-guvenlik-acigi-tespit-edildi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=15592","title":{"rendered":"Mozilla Firefox’ta De\u011ferli Bir G\u00fcvenlik A\u00e7\u0131\u011f\u0131 Tespit Edildi"},"content":{"rendered":"

Mozilla, Firefox<\/strong> kullan\u0131c\u0131lar\u0131n\u0131\u00a0ilgilendiren de\u011ferli bir duyuru yapt\u0131. Yap\u0131lan duyuruda\u00a0kullan\u0131c\u0131lardan Firefox'u son<\/strong> s\u00fcr\u00fcm\u00fcne<\/strong> y\u00fckseltmeleri istenirken\u00a0bunun nedeni olaraksa\u00a0\u00f6nemli bir g\u00fcvenlik a\u00e7\u0131\u011f\u0131 g\u00f6sterildi.<\/p>\n

\u00c7inli g\u00fcvenlik \u015firketi\u00a0Qihoo 360 taraf\u0131ndan bulunan a\u00e7\u0131k, Firefox'un 'just-in-time'<\/strong> (JIT) derleyicisinde yer al\u0131yor. JIT derleyicisinin vazifesi, internet sitelerinin daha s\u00fcratli y\u00fcklenebilmesi i\u00e7in JavaScript<\/strong> performans\u0131n\u0131 art\u0131rmak. Bulunan g\u00fcvenlik a\u00e7\u0131\u011f\u0131, mesken sahibi bilgisayar\u0131n taray\u0131c\u0131s\u0131nda\u00a0k\u00f6t\u00fc niyetli JavaScript'in d\u0131\u015far\u0131dan i\u015fletilebilmesine yol a\u00e7\u0131yor.<\/p>\n

<\/p>\n

Pratikte bu durum \u015f\u00f6yle i\u015fliyor: Rastgele bir sald\u0131rgan, se\u00e7ti\u011fi kullan\u0131c\u0131y\u0131 berbat niyetli JavaScript<\/strong> kodu i\u015fleten bir siteye \u00e7ekip tuzak kurarak kurban\u0131n\u0131n bilgisayar\u0131na s\u0131zabiliyor.\u00a0Bununla birlikte\u00a0Qihoo;<\/strong>\u00a0a\u00e7\u0131\u011f\u0131n nas\u0131l kullan\u0131ld\u0131\u011f\u0131na, sald\u0131rganlar\u0131n kimler oldu\u011funa ya da kimlerin maksat al\u0131nd\u0131\u011f\u0131na dair kesin bir bilgi vermedi.<\/p>\n

Taray\u0131c\u0131lardaki g\u00fcvenlik a\u00e7\u0131klar\u0131,\u00a0g\u00fcvenlik<\/strong> etraflar\u0131n\u0131n<\/strong> en \u00e7ok k\u0131ymet verdi\u011fi mevzular\u0131ndan birisi. Bu a\u00e7\u0131klar, ekseriyetle sessizce ve kullan\u0131c\u0131lar fark\u0131nda olmadan ziyanl\u0131 yaz\u0131l\u0131m ya da fidye yaz\u0131l\u0131m\u0131 yerle\u015ftirmek i\u00e7in kullan\u0131l\u0131yor. Taray\u0131c\u0131lar, birebir vakitte devletlerin<\/strong> de nezaret ara\u00e7lar\u0131n\u0131n amac\u0131nda yer al\u0131yor.<\/p>\n

G\u00fcvenlik etraflar\u0131, devletlerin istihbarat faaliyetlerinden ho\u015flanm\u0131yor:<\/b><\/p>\n

<\/strong><\/p>\n

Taray\u0131c\u0131larda yer alan a\u00e7\u0131klar, devletlerin istihbarat te\u015fkilatlar\u0131 taraf\u0131ndan casus<\/strong>\u00a0ve hatal\u0131lar\u0131n<\/strong> yakalanmas\u0131<\/strong> i\u00e7in kullan\u0131l\u0131yor. G\u00fcvenlik \u00e7evrelerindeyse devletlerin\u00a0bu faaliyetleri be\u011fenilen kar\u015f\u0131lanm\u0131yor\u00a0\u00e7\u00fcnk\u00fc istihbarat kurumlar\u0131n\u0131n yaz\u0131l\u0131mc\u0131lara bildirmedi\u011fi g\u00fcvenlik a\u00e7\u0131klar\u0131 mak\u00fbs<\/strong> niyetli<\/strong> faaliyetler i\u00e7in de kullan\u0131labiliyor.<\/p>\n

ABD\u00a0\u0130\u00e7 G\u00fcvenlik Bakanl\u0131\u011f\u0131'n\u0131n siber ihtar \u00fcnitesi de bir g\u00fcvenlik uyar\u0131s\u0131 yay\u0131nlayarak kullan\u0131c\u0131lardan taray\u0131c\u0131lar\u0131n\u0131\u00a0Firefox 72.0.1<\/strong> s\u00fcr\u00fcm\u00fcne y\u00fckseltmelerini istedi. Son s\u00fcr\u00fcmde g\u00fcvenlik a\u00e7\u0131\u011f\u0131n\u0131n ortadan kald\u0131r\u0131ld\u0131\u011f\u0131 belirtiliyor. A\u00e7\u0131k konusunda pek bilgi verilmezken, yaln\u0131zca 'etkilenmi\u015f sistemin denetiminin ele ge\u00e7irilebilece\u011fi'<\/strong>\u00a0s\u00f6yleniyor.\u00a0Son olarak Firefox<\/strong>\u00a0taray\u0131c\u0131n\u0131z\u0131\u00a0son s\u00fcr\u00fcm\u00fcne g\u00fcncellemek\u00a0i\u00e7in taray\u0131c\u0131n\u0131n\u00a0Ayarlar<\/strong> k\u0131sm\u0131n\u0131 ziyaret edebilirsiniz.<\/p>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

Mozilla, Firefox kullan\u0131c\u0131lar\u0131n\u0131\u00a0ilgilendiren de\u011ferli bir duyuru yapt\u0131. Yap\u0131lan duyuruda\u00a0kullan\u0131c\u0131lardan Firefox'u son s\u00fcr\u00fcm\u00fcne y\u00fckseltmeleri …<\/p>\n","protected":false},"author":1,"featured_media":15593,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[15],"tags":[1125],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/15592"}],"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=15592"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/15592\/revisions"}],"predecessor-version":[{"id":15594,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/15592\/revisions\/15594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/15593"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}