{"id":112094,"date":"2023-12-09T21:10:14","date_gmt":"2023-12-09T19:10:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-bluetooth-stekah-linux-macos-android-i-ios-dopuskayushhaya-podstanovku-nazhatij-klavish"},"modified":"2023-12-09T21:10:14","modified_gmt":"2023-12-09T19:10:14","slug":"uyazvimost-v-bluetooth-stekah-linux-macos-android-i-ios-dopuskayushhaya-podstanovku-nazhatij-klavish","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-bluetooth-stekah-linux-macos-android-i-ios-dopuskayushhaya-podstanovku-nazhatij-klavish","title":{"rendered":"Sebezhet\u0151s\u00e9g a Linux, macOS, Android \u00e9s iOS Bluetooth stackjeiben, amely lehet\u0151v\u00e9 teszi a billenty\u0171le\u00fct\u00e9sek cser\u00e9j\u00e9t","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Marc Newlin, aki h\u00e9t \u00e9vvel ezel\u0151tt felfedezte a MouseJack sebezhet\u0151s\u00e9get, inform\u00e1ci\u00f3kat hozott nyilv\u00e1noss\u00e1gra egy hasonl\u00f3 sebezhet\u0151s\u00e9gr\u0151l (CVE-2023-45866), amely az Android, Linux, macOS \u00e9s iOS Bluetooth-stackjeit \u00e9rinti, \u00e9s lehet\u0151v\u00e9 teszi a billenty\u0171le\u00fct\u00e9sek behelyettes\u00edt\u00e9s\u00e9t egy Bluetooth-on csatlakozott bemeneti eszk\u00f6z aktivit\u00e1s\u00e1nak szimul\u00e1l\u00e1s\u00e1val. Ha a t\u00e1mad\u00f3 hozz\u00e1f\u00e9r a billenty\u0171zet bemenet\u00e9hez, olyan m\u0171veleteket hajthat v\u00e9gre, mint a parancsok futtat\u00e1sa a rendszerben, alkalmaz\u00e1sok telep\u00edt\u00e9se \u00e9s \u00fczenetek \u00e1tir\u00e1ny\u00edt\u00e1sa. <\/p>\n

A sebezhet\u0151s\u00e9get az okozza, hogy a Bluetooth-eszk\u00f6z\u00f6khez k\u00e9sz\u00fclt h\u00e1zi HID (Human Interface Device) meghajt\u00f3k olyan m\u00f3dot tartalmaznak, amely lehet\u0151v\u00e9 teszi a t\u00e1voli perif\u00e9ri\u00e1s eszk\u00f6z sz\u00e1m\u00e1ra, hogy titkos\u00edtott kapcsolatokat hozzon l\u00e9tre \u00e9s \u00e1ll\u00edtson fel hiteles\u00edt\u00e9s n\u00e9lk\u00fcl. M\u00e1sok mellett az \u00edgy csatlakoz\u00f3 eszk\u00f6z\u00f6k billenty\u0171zeti \u00fczeneteket is k\u00fcldhetnek, amelyeket a HID-stack feldolgoz, lehet\u0151v\u00e9 t\u00e9ve ezzel egy felhaszn\u00e1l\u00f3 r\u00e9szv\u00e9tele n\u00e9lk\u00fcl v\u00e9grehajtott t\u00e1voli HID-\u00fczenet-behelyettes\u00edt\u00e9si t\u00e1mad\u00e1s megszervez\u00e9s\u00e9t. A t\u00e1mad\u00e1s akkor is v\u00e9grehajthat\u00f3, amikor a t\u00e1mad\u00f3 ak\u00e1r 100 m\u00e9ter t\u00e1vols\u00e1gra van az \u00e1ldozatt\u00f3l. <\/p>\n

A hiteles\u00edt\u00e9s n\u00e9lk\u00fcli eszk\u00f6zp\u00e1ros\u00edt\u00e1s mechanizmus\u00e1t a Bluetooth-specifik\u00e1ci\u00f3 hat\u00e1rozza meg, \u00e9s a Bluetooth-stack be\u00e1ll\u00edt\u00e1sait\u00f3l f\u00fcgg\u0151en lehet\u0151v\u00e9 teszi, hogy az eszk\u00f6z hiteles\u00edt\u00e9s n\u00e9lk\u00fcli csatlakoz\u00e1st l\u00e9tes\u00edtsen a felhaszn\u00e1l\u00f3 meger\u0151s\u00edt\u00e9se n\u00e9lk\u00fcl. Linux alatt a BlueZ Bluetooth-stack haszn\u00e1lata eset\u00e9n a Bluetooth-adapternek felfedez\u00e9si \u00e9s csatlakoz\u00e1si m\u00f3dban kell lennie. Android eset\u00e9n elegend\u0151 a Bluetooth t\u00e1mogat\u00e1s\u00e1nak egyszer\u0171 bekapcsol\u00e1sa. iOS \u00e9s macOS eset\u00e9n a t\u00e1mad\u00e1shoz be kell kapcsolni a Bluetooth-t, \u00e9s egy vezet\u00e9k n\u00e9lk\u00fcli billenty\u0171zetet kell csatlakoztatni. <\/p>\n

A bemenet behelyettes\u00edt\u00e9s\u00e9nek lehet\u0151s\u00e9g\u00e9t az Ubuntu 18.04, 20.04, 22.04 \u00e9s 23.10 rendszereken mutatt\u00e1k be a Bluez csomagon alapul\u00f3 Bluetooth-stackkel. A ChromeOS nem \u00e9rintett a sebezhet\u0151s\u00e9g \u00e1ltal, mivel a Bluetooth-stack be\u00e1ll\u00edt\u00e1sai nem teszik lehet\u0151v\u00e9 a hiteles\u00edt\u00e9s n\u00e9lk\u00fcli kapcsol\u00f3d\u00e1st. Android eset\u00e9n a sebezhet\u0151s\u00e9g a 4.2.2-t\u0151l 14-ig terjed\u0151 platformverzi\u00f3kkal rendelkez\u0151 eszk\u00f6z\u00f6ket \u00e9rinti. A macOS eset\u00e9ben a sebezhet\u0151s\u00e9get 2022-es MacBook Pro-n, Apple M2 CPU-val \u00e9s macOS 13.3.3-mal, valamint a 2017-es Intel CPU-val rendelkez\u0151 MacBook Air-en \u00e9s macOS 12.6.7-en mutatt\u00e1k be. Az iOS rendszerben az iPhone SE-n, iOS 16.6-tal mutatt\u00e1k be a sebezhet\u0151s\u00e9get. A Lockdown m\u00f3d aktiv\u00e1l\u00e1sa nem v\u00e9d meg a macOS \u00e9s iOS rendszerek t\u00e1mad\u00e1s\u00e1t\u00f3l. <\/p>\n

A Linux-ban a sebezhet\u0151s\u00e9get a Bluez k\u00f3dalapj\u00e1ban orvosolt\u00e1k a «ClassicBondedOnly» be\u00e1ll\u00edt\u00e1s «true» \u00e9rt\u00e9kre \u00e1ll\u00edt\u00e1s\u00e1val, amely lehet\u0151v\u00e9 teszi a biztons\u00e1gos \u00fczemm\u00f3dot, amely csak p\u00e1ros\u00edt\u00e1s ut\u00e1n enged\u00e9lyezi a kapcsolatok l\u00e9tes\u00edt\u00e9s\u00e9t. Kor\u00e1bban «false» \u00e9rt\u00e9ken volt, amely a biztons\u00e1g cs\u00f6kkent\u00e9s\u00e9nek \u00e1r\u00e1n oldotta meg a kompatibilit\u00e1si probl\u00e9m\u00e1kat egyes bemeneti eszk\u00f6z\u00f6kkel. <\/p>\n

A Fluoride Bluetooth stackben, amelyet az Android leg\u00fajabb kiad\u00e1saiban haszn\u00e1lnak, a biztons\u00e1gi r\u00e9st k\u00f6telez\u0151 autentik\u00e1ci\u00f3val orvosolt\u00e1k minden titkos\u00edtott kapcsolatn\u00e1l. Az Androidhoz k\u00e9sz\u00fclt jav\u00edt\u00e1sok csak a 11\u201314 \u00e1gakra vonatkoznak. A Pixel eszk\u00f6z\u00f6kn\u00e9l a biztons\u00e1gi r\u00e9s a decemberi firmware friss\u00edt\u00e9sben lett jav\u00edtva. Az Android 4.2.2-t\u0151l 10-ig terjed\u0151 kiad\u00e1sok eset\u00e9ben a biztons\u00e1gi r\u00e9s nem lett jav\u00edtva.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041c\u0430\u0440\u043a \u041d\u044c\u044e\u043b\u0438\u043d (Marc Newlin), \u0441\u0435\u043c\u044c \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u0432\u044b\u044f\u0432\u0438\u0432\u0448\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c MouseJack, \u0440\u0430\u0441\u043a\u0440\u044b\u043b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u043f\u043e\u0445\u043e\u0436\u0435\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2023-45866), \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0435\u0439 Bluetooth-\u0441\u0442\u0435\u043a\u0438 Android, Linux, macOS \u0438 iOS, \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u043d\u0430\u0436\u0430\u0442\u0438\u0439 \u043a\u043b\u0430\u0432\u0438\u0448 \u0447\u0435\u0440\u0435\u0437 \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044e \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u0432\u0432\u043e\u0434\u0430, \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0451\u043d\u043d\u043e\u0433\u043e \u0447\u0435\u0440\u0435\u0437 Bluetooth. \u0418\u043c\u0435\u044f \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043b\u0430\u0432\u0438\u0430\u0442\u0443\u0440\u043d\u043e\u043c\u0443 \u0432\u0432\u043e\u0434\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0442\u0430\u043a\u0438\u0435 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f, \u043a\u0430\u043a \u0437\u0430\u043f\u0443\u0441\u043a \u043a\u043e\u043c\u0430\u043d\u0434 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-112094","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A biztons\u00e1gi r\u00e9s a Linux, macOS, Android \u00e9s iOS Bluetooth stackjeiben lehet\u0151v\u00e9 teszi a billenty\u0171le\u00fct\u00e9sek helyettes\u00edt\u00e9s\u00e9t | ProHoster","description":"Marc Newlin, aki h\u00e9t \u00e9vvel ezel\u0151tt felfedte a MouseJack biztons\u00e1gi r\u00e9st, inform\u00e1ci\u00f3kat tett k\u00f6zz\u00e9 egy hasonl\u00f3 biztons\u00e1gi r\u00e9sr\u0151l (CVE-2023-45866), amely az Android, Linux, macOS \u00e9s iOS Bluetooth stackjeit \u00e9rinti, \u00e9s lehet\u0151v\u00e9 teszi a t\u00e1mad\u00e1sok v\u00e9grehajt\u00e1s\u00e1t.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-bluetooth-stekah-linux-macos-android-i-ios-dopuskayushhaya-podstanovku-nazhatij-klavish","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 Bluetooth-\u0441\u0442\u0435\u043a\u0430\u0445 Linux, macOS, Android \u0438 iOS, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0430\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u043d\u0430\u0436\u0430\u0442\u0438\u0439 \u043a\u043b\u0430\u0432\u0438\u0448 | ProHoster","og:description":"\u041c\u0430\u0440\u043a \u041d\u044c\u044e\u043b\u0438\u043d (Marc Newlin), \u0441\u0435\u043c\u044c \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 \u0432\u044b\u044f\u0432\u0438\u0432\u0448\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c MouseJack, \u0440\u0430\u0441\u043a\u0440\u044b\u043b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u043f\u043e\u0445\u043e\u0436\u0435\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2023-45866), \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0435\u0439 Bluetooth-\u0441\u0442\u0435\u043a\u0438 Android, Linux, macOS \u0438 iOS, \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u0442\u044c.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-bluetooth-stekah-linux-macos-android-i-ios-dopuskayushhaya-podstanovku-nazhatij-klavish","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-12-09T19:10:14+00:00","article:modified_time":"2023-12-09T19:10:14+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/112094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=112094"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/112094\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=112094"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=112094"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=112094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}