{"id":110410,"date":"2023-10-04T08:10:47","date_gmt":"2023-10-04T06:10:47","guid":{"rendered":"https:\/\/prohoster.info\/?p=110410"},"modified":"2023-10-04T08:10:47","modified_gmt":"2023-10-04T06:10:47","slug":"uyazvimosti-v-drajvere-k-gpu-arm-uzhe-primenyaemye-dlya-soversheniya-atak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-v-drajvere-k-gpu-arm-uzhe-primenyaemye-dlya-soversheniya-atak","title":{"rendered":"Zranitelnosti v ovlada\u010di GPU ARM, ji\u017e pou\u017eit\u00fdch k \u00fatok\u016fm","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost ARM odhalila informace o t\u0159ech zranitelnostech v ovlada\u010d\u00edch pro sv\u00e9 GPU, pou\u017e\u00edvan\u00fdch v Androidu, ChromeOS a distribuc\u00edch Linux. Zranitelnosti umo\u017e\u0148uj\u00ed neprivilegovan\u00e9mu m\u00edstn\u00edmu u\u017eivateli spustit sv\u016fj k\u00f3d s pr\u00e1vy j\u00e1dra. V \u0159\u00edjnov\u00e9 zpr\u00e1v\u011b o bezpe\u010dnostn\u00edch probl\u00e9mech v platform\u011b Android se uv\u00e1d\u00ed, \u017ee p\u0159ed vyd\u00e1n\u00edm opravy byla jedna ze zranitelnost\u00ed (CVE-2023-4211) ji\u017e vyu\u017e\u00edv\u00e1na \u00fato\u010dn\u00edky v pracovn\u00edch exploitech pro c\u00edlen\u00e9 \u00fatoky (0-day). Nap\u0159\u00edklad zranitelnost m\u016f\u017ee b\u00fdt pou\u017eita v distribuovan\u00fdch p\u0159es pochybn\u00e9 zdroje \u0161kodliv\u00fdch aplikac\u00edch k z\u00edsk\u00e1n\u00ed pln\u00e9ho p\u0159\u00edstupu k syst\u00e9mu a instalaci komponent\u016f pro \u0161pehov\u00e1n\u00ed u\u017eivatele.      <\/p>\n<p>Nalezen\u00e9 zranitelnosti:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-4211  \u2014 prov\u00e1d\u011bn\u00ed nespr\u00e1vn\u00fdch operac\u00ed s pam\u011bt\u00ed GPU m\u016f\u017ee v\u00e9st k p\u0159\u00edstupu k ji\u017e uvoln\u011bn\u00e9 syst\u00e9mov\u00e9 pam\u011bti, kter\u00e1 m\u016f\u017ee b\u00fdt vyu\u017eita p\u0159i b\u011bhu jin\u00fdch \u00faloh v j\u00e1d\u0159e. Zranitelnost byla odstran\u011bna v aktualizaci ovlada\u010de r43p0 pro GPU Mali zalo\u017een\u00e9 na mikroarchitektur\u00e1ch Bifrost a Valhall, stejn\u011b jako 5. generace GPU ARM. Pro GPU rodiny Midgard nebyla vyd\u00e1na \u017e\u00e1dn\u00e1 aktualizace ovlada\u010de.\n<p>Oprava byla tak\u00e9 nab\u00eddnuta v r\u00e1mci z\u00e1\u0159ijov\u00fdch aktualizac\u00ed v\u011btv\u00ed Chrome OS 114\/115\/116 a \u0159\u00edjnov\u00e9 aktualizace Androidu. Zraniteln\u00e9 modely GPU jsou pou\u017e\u00edv\u00e1ny ve smartphonech Google Pixel 7, Samsung S20 a S21, Motorola Edge 40, OnePlus Nord 2, Asus ROG Phone 6, Redmi Note 11, 12, Honor 70 Pro, RealMe GT, Xiaomi 12 Pro, Oppo Find X5 Pro, Reno 8 Pro a n\u011bkter\u00fdch za\u0159\u00edzen\u00edch s \u010dipy Mediatek.    <\/p>\n<li class=\"l\"> CVE-2023-33200 \u2014 nespr\u00e1vn\u00e9 operace s GPU mohou v\u00e9st ke stavu z\u00e1vodu a z\u00edsk\u00e1n\u00ed p\u0159\u00edstupu k ji\u017e uvoln\u011bn\u00e9 pam\u011bti ovlada\u010dem. Zranitelnost byla odstran\u011bna v aktualizac\u00edch ovlada\u010d\u016f r44p1 a r45p0 pro GPU Mali zalo\u017een\u00e9 na mikroarchitektur\u00e1ch Bifrost a Valhall, stejn\u011b jako 5. generace GPU ARM.\n<li class=\"l\"> CVE-2023-34970 \u2014 nespr\u00e1vn\u00e9 operace s GPU mohou v\u00e9st k p\u0159ekro\u010den\u00ed z\u00e1sobn\u00edku a z\u00edsk\u00e1n\u00ed p\u0159\u00edstupu k pam\u011bti za hranicemi p\u0159id\u011blen\u00e9ho z\u00e1sobn\u00edku. Zranitelnost byla odstran\u011bna v aktualizac\u00edch ovlada\u010d\u016f r44p1 a r45p0 pro GPU Mali zalo\u017een\u00e9 na mikroarchitektu\u0159e Valhall a 5. generace GPU ARM.          <\/ul>\n<p>Celkov\u011b bylo v \u0159\u00edjnov\u00e9 zpr\u00e1v\u011b o zranitelnostech v Androidu zm\u00edn\u011bno 53 zranitelnost\u00ed, z nich\u017e 5 zranitelnostem byla p\u0159i\u0159azena kritick\u00e1 \u00farove\u0148 nebezpe\u010dnosti, zat\u00edmco ostatn\u00edm \u2014 vysok\u00e1 \u00farove\u0148 nebezpe\u010dnosti. Kritick\u00e9 probl\u00e9my umo\u017e\u0148uj\u00ed prov\u00e9st vzd\u00e1len\u00fd \u00fatok k vykon\u00e1n\u00ed vlastn\u00edho k\u00f3du v syst\u00e9mu. Probl\u00e9my ozna\u010den\u00e9 jako nebezpe\u010dn\u00e9 umo\u017e\u0148uj\u00ed prost\u0159ednictv\u00edm manipulace s m\u00edstn\u00edmi aplikacemi vykonat k\u00f3d v kontextu privilegov\u00e9ho procesu. T\u0159i kritick\u00e9 probl\u00e9my (CVE-2023-24855, CVE-2023-28540 a CVE-2023-33028) byly zji\u0161t\u011bny v propriet\u00e1rn\u00edch komponentech Qualcomm a dv\u011b (CVE-2023-40129, CVE-2023-4863) v syst\u00e9mu (v libwebp a v Bluetooth stacku). Celkem bylo u komponent\u016f ARM zji\u0161t\u011bno 5 zranitelnost\u00ed, MediaTek \u2014 3, Unisoc \u2014 1 a Qualcomm \u2014 17 (zpr\u00e1va od Qualcomm). Dv\u011b zranitelnosti (jedna v GPU ARM a jedna v libwebp) byly ozna\u010deny jako ji\u017e vyu\u017e\u00edvan\u00e9 \u00fato\u010dn\u00edky ve sv\u00fdch exploitech (0-day).<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59860\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ARM \u0440\u0430\u0441\u043a\u0440\u044b\u043b\u0430 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u0442\u0440\u0451\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430\u0445 \u0434\u043b\u044f \u0441\u0432\u043e\u0438\u0445 GPU, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0445 \u0432 Android, ChromeOS \u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 Linux. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \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 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u044f\u0434\u0440\u0430. \u0412 \u043e\u043a\u0442\u044f\u0431\u0440\u044c\u0441\u043a\u043e\u043c \u043e\u0442\u0447\u0451\u0442\u0435 \u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u0445 \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e \u0432 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 Android \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0434\u043e \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u0434\u043d\u0430 \u0438\u0437 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 (CVE-2023-4211) \u0443\u0436\u0435 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0430 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430\u043c\u0438 \u0432 \u0440\u0430\u0431\u043e\u0447\u0438\u0445 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u0430\u0445 [&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-110410","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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