{"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\/ro\/blog\/news\/uyazvimost-v-drajvere-v4l2-zatragivayushhaya-platformu-android","title":{"rendered":"Vulnerabilitate \u00een driverul v4l2, afect\u00e2nd platforma Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania TrendMicro <noindex><a rel=\"nofollow\" href=\"https:\/\/www.zerodayinitiative.com\/advisories\/ZDI-19-780\/\">a publicat<\/a><\/noindex> informa\u021bii despre vulnerabilitate (CVE nesolicitat) \u00een driver <noindex><a rel=\"nofollow\" href=\"https:\/\/linuxtv.org\/downloads\/v4l-dvb-apis\/kapi\/v4l2-intro.html\">v4l2<\/a><\/noindex>, permi\u021b\u00e2nd unui utilizator local f\u0103r\u0103 privilegii s\u0103-\u0219i execute codul \u00een contextul kernel-ului Linux. Detaliile despre vulnerabilitate sunt prezentate \u00een contextul platformei Android, f\u0103r\u0103 a specifica dac\u0103 aceast\u0103 problem\u0103 este specific\u0103 kernel-ului Android sau se manifest\u0103 \u0219i \u00een kernel-ul standard Linux. <\/p>\n<p>Pentru a exploata vulnerabilitatea, un atacator trebuie s\u0103 aib\u0103 acces local la sistem. \u00cen Android, pentru a efectua un atac, este necesar mai \u00eent\u00e2i s\u0103 preia controlul asupra unei aplica\u021bii f\u0103r\u0103 privilegii, care are permisiunea de a accesa subsystemul V4L (Video for Linux), de exemplu, asupra unei aplica\u021bii pentru camer\u0103. Cea mai realist\u0103 utilizare a vulnerabilit\u0103\u021bii \u00een Android este includerea exploit-ului \u00een aplica\u021bii mali\u021bioase predate de atacatori pentru a ob\u021bine privilegii mai mari pe dispozitiv.<\/p>\n<p>\u00cen prezent, vulnerabilitatea r\u0103m\u00e2ne nerezolvat\u0103. De\u0219i Google a fost notificat despre problem\u0103 \u00een martie, patch-ul nu a fost inclus \u00een <noindex><a rel=\"nofollow\" href=\"https:\/\/source.android.com\/security\/bulletin\/2019-09-01\">actualizarea din septembrie<\/a><\/noindex> platformei Android. \u00cen setul de corec\u021bii din septembrie pentru problemele de securitate \u00een Android, au fost remediate 49 de vulnerabilit\u0103\u021bi, dintre care 4 au fost clasificate cu un nivel critic de pericol. Dou\u0103 vulnerabilit\u0103\u021bi critice au fost remediate \u00een cadrul multimedia framework \u0219i permit executarea codului \u00een procesarea datelor multimedia special formatate. 31 de vulnerabilit\u0103\u021bi au fost rezolvate \u00een componentele pentru cipurile Qualcomm, dintre care dou\u0103 vulnerabilit\u0103\u021bi au un nivel critic, permi\u021b\u00e2nd un atac de la distan\u021b\u0103. Celelalte probleme sunt marcate ca fiind periculoase, adic\u0103 permit manipularea aplica\u021biilor locale pentru a executa cod \u00een contextul unui proces privilegiat. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51434\">opennet.ro<\/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 5.0.2.1 - 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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