{"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\/hr\/blog\/news\/uyazvimost-v-bluetooth-stekah-linux-macos-android-i-ios-dopuskayushhaya-podstanovku-nazhatij-klavish","title":{"rendered":"Ranjivost u Bluetooth stackovima Linux, macOS, Android i iOS koja omogu\u0107uje zamjenu pritisaka tipki","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Marc Newlin, koji je prije sedam godina otkrio ranjivost MouseJack, otkrio je informacije o sli\u010dnoj ranjivosti (CVE-2023-45866) koja se odnosi na Bluetooth stackove Androida, Linuxa, macOS-a i iOS-a, omogu\u0107uju\u0107i zamjenu tipkovni\u010dkih unosa putem simulacije aktivnosti ure\u0111aja za ulaz priklju\u010denog putem Bluetooth-a. Imati pristup ulazu s tipkovnice omogu\u0107ava napada\u010du da izvr\u0161i radnje poput pokretanja komandi u sustavu, instalacije aplikacija i preusmjeravanja poruka.     <\/p>\n<p>Ranjivost je uzrokovana time \u0161to drajveri za HID (Human Interface Device) za Bluetooth ure\u0111aje imaju na\u010din koji omogu\u0107ava udaljenom perifernom ure\u0111aju da stvara i uspostavlja \u0161ifrirane veze bez autentifikacije. Izme\u0111u ostalog, ure\u0111aji koji se povezuju na ovaj na\u010din mogu prenositi tipkovni\u010dke poruke, a HID stack \u0107e ih obraditi, \u0161to omogu\u0107ava organiziranje napada udaljenom zamjenom HID poruka bez sudjelovanja korisnika. Napad se mo\u017ee izvesti na udaljenosti do 100 metara od \u017ertve.    <\/p>\n<p>Mekanizam uparivanja ure\u0111aja bez autentifikacije definiran je u specifikaciji Bluetooth, a ovisno o postavkama Bluetooth stacka, omogu\u0107ava povezivanje ure\u0111aja bez potvrde od korisnika. Na Linuxu, prilikom kori\u0161tenja Bluetooth stacka BlueZ, Bluetooth adapter mora biti u na\u010dinu otkrivanja i povezivanja. Na Androidu je dovoljno samo uklju\u010diti podr\u0161ku za Bluetooth. Na iOS-u i macOS-u, za izvo\u0111enje napada, Bluetooth mora biti uklju\u010den i be\u017ei\u010dna tipkovnica mora biti povezana.        <\/p>\n<p>Mogu\u0107nost zamjene unosa demonstrirana je na Ubuntu 18.04, 20.04, 22.04 i 23.10 s Bluetooth stackom baziranim na paketu Bluez. ChromeOS nije pogo\u0111en ranjivo\u0161\u0107u jer postavke Bluetooth stacka ne dopu\u0161taju povezivanje bez autentifikacije. Na Androidu, ranjivost se odnosi na ure\u0111aje s verzijama platforme od 4.2.2 do 14. Na macOS-u, ranjivost je demonstrirana na MacBook Pro 2022 s CPU Apple M2 i macOS 13.3.3, te MacBook Air 2017 s CPU Intel i macOS 12.6.7. Na iOS-u, ranjivost je demonstrirana na iPhone SE s iOS 16.6. Uklju\u010divanje na\u010din rada Lockdown ne \u0161titi od napada na macOS i iOS.      <\/p>\n<p>U Linuxu je ranjivost otklonjena u kodnoj bazi Bluez postavljanjem postavke &#171;ClassicBondedOnly&#187; na &#171;true&#187;, \u0161to uklju\u010duje siguran na\u010din rada koji dopu\u0161ta uspostavljanje veza samo nakon uparivanja. Ranije je bila postavljena vrijednost &#171;false&#187;, koja je smanjila sigurnost kako bi rije\u0161ila probleme s kompatibilno\u0161\u0107u s nekim ure\u0111ajima za ulaz.     <\/p>\n<p>U Bluetooth staku Fluoride, koji se koristi u najnovijim izdanjima Androida, ranjivost je ispravljena obaveznim primjenjivanjem autentifikacije za sve \u0161ifrirane veze. Ispravci za Android su formirani samo za grane 11-14. Za Pixel ure\u0111aje ranjivost je ispravljena u prosina\u010dkom a\u017euriranju firmvera. Za verzije Androida od 4.2.2 do 10 ranjivost ostaje neispravljena.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60260\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&hellip;]<\/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<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041c\u0430\u0440\u043a \u041d\u044c\u044e\u043b\u0438\u043d (Marc Newlin), \u0441\u0435\u043c\u044c \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434 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otkrio ranjivost MouseJack, otkrio je informacije o sli\u010dnoj ranjivosti (CVE-2023-45866) koja zahva\u0107a Bluetooth stackove Androida, Linuxa, macOS-a i iOS-a, a koja omogu\u0107uje...","canonical_url":"https:\/\/prohoster.info\/hr\/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":"hr_HR","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 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