{"id":37875,"date":"2019-10-31T22:20:17","date_gmt":"2019-10-31T19:20:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-drajvere-v4l2-zatragivayushhaya-platformu-android\/"},"modified":"2019-10-31T22:20:17","modified_gmt":"2019-10-31T19:20:17","slug":"uyazvimost-v-drajvere-v4l2-zatragivayushhaya-platformu-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/uyazvimost-v-drajvere-v4l2-zatragivayushhaya-platformu-android","title":{"rendered":"Ranljivost u v4l2 drajveru, koja poga\u0111a Android platformu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tvrtka TrendMicro <noindex><a rel=\"nofollow\" href=\"https:\/\/www.zerodayinitiative.com\/advisories\/ZDI-19-780\/\">objavila<\/a><\/noindex> informacije o ranjivosti (CVE nije dodijeljen) u upravlja\u010dkom programu <noindex><a rel=\"nofollow\" href=\"https:\/\/linuxtv.org\/downloads\/v4l-dvb-apis\/kapi\/v4l2-intro.html\">v4l2<\/a><\/noindex>, koja omogu\u0107uje neprivilegiranom lokalnom korisniku da izvr\u0161i svoj kod u kontekstu Linux kernela. Podaci o ranjivosti navedeni su u kontekstu Android platforme, ne detaljiziraju\u0107i je li ovaj problem specifi\u010dan za Android kernel ili se javlja i u obi\u010dnom Linux kernelu. <\/p>\n<p>Za iskori\u0161tavanje ranjivosti potreban je lokalni pristup napada\u010da sustavu. U Androidu, za napad, najprije se mora preuzeti kontrola nad neprivilegiranom aplikacijom koja ima ovlasti pristupiti V4L podsustavu (Video for Linux), na primjer, nad aplikacijom za rad s kamerom. Najrealisticnija primjena ranjivosti u Androidu jest uklju\u010divanje exploita u pripremljene maliciozne aplikacije za pove\u0107anje privilegija na ure\u0111aju.<\/p>\n<p>Trenutno ranjivost ostaje neispravljena. Iako je Google obavije\u0161ten o problemu u o\u017eujku, zakrpa nije uklju\u010dena u <noindex><a rel=\"nofollow\" href=\"https:\/\/source.android.com\/security\/bulletin\/2019-09-01\">rujna a\u017euriranja<\/a><\/noindex> Android platforme. U rujanskom paketu ispravaka problema s sigurno\u0161\u0107u za Android rije\u0161eno je 49 ranjivosti, od kojih su \u010detiri ranjivosti ozna\u010dene kao kriti\u010dne. Dvije kriti\u010dne ranjivosti ispravljene su u multimedijskom okviru i omogu\u0107uju izvr\u0161avanje koda pri obradi posebno oblikovanih multimedijskih podataka. 31 ranjivost rije\u0161ena je u komponentama za Qualcomm \u010dipove, od kojih su dvije ranjivosti ozna\u010dene kao kriti\u010dne, \u0161to omogu\u0107ava izvo\u0111enje daljinskog napada. Ostali problemi ozna\u010deni su kao opasni, tj. omogu\u0107uju izvr\u0161avanje koda u kontekstu privilegiranog procesa manipulacijom lokalnim aplikacijama. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51434\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f TrendMicro \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE \u043d\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d) \u0432 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0435 v4l2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 Linux. \u0421\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0442\u0441\u044f \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Android, \u043d\u0435 \u0434\u0435\u0442\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044f, \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u0430 \u043b\u0438 \u0434\u0430\u043d\u043d\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0434\u043b\u044f \u044f\u0434\u0440\u0430 \u0438\u0437 Android \u0438\u043b\u0438 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438 \u0432 \u043e\u0431\u044b\u0447\u043d\u043e\u043c \u044f\u0434\u0440\u0435 Linux. \u0414\u043b\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430 [&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-37875","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f TrendMicro \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE \u043d\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d) \u0432 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0435\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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