{"id":94683,"date":"2020-09-20T01:42:01","date_gmt":"2020-09-19T23:42:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-firefox-dlya-android-pozvolyayushhaya-upravlyat-brauzerom-cherez-obshhij-wi-fi"},"modified":"2020-09-20T01:42:01","modified_gmt":"2020-09-19T23:42:01","slug":"uyazvimost-v-firefox-dlya-android-pozvolyayushhaya-upravlyat-brauzerom-cherez-obshhij-wi-fi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimost-v-firefox-dlya-android-pozvolyayushhaya-upravlyat-brauzerom-cherez-obshhij-wi-fi","title":{"rendered":"O vulnerabilitate \u00een Firefox pentru Android, care permite controlarea browser-ului prin Wi-Fi public","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen Firefox pentru Android a fost identificat\u0103<\/a><\/noindex> serioas\u0103 vulnerabilitatea<\/a><\/noindex> \u00een implementarea protocolului SSDP<\/a><\/noindex>, utilizat pentru a detecta servicii de re\u021bea \u00een re\u021beaua local\u0103. Vulnerabilitatea permite unui atacator, aflat \u00een aceea\u0219i re\u021bea local\u0103 sau wireless, s\u0103 r\u0103spund\u0103 la cererile de verificare Firefox cu un mesaj UPnP XML \u00abLOCATION\u00bb cu comenzi intent<\/a><\/noindex>, prin care se poate deschide \u00een browser un URI arbitrar sau se pot apela handleri ai altor aplica\u021bii. <\/p>\n

Problema apare p\u00e2n\u0103 la lansarea Firefox pentru Android 68.11.0<\/a><\/noindex> \u0219i a fost remediat\u0103 \u00een versiunea Firefox pentru Android 79, adic\u0103 versiunile clasice mai vechi ale Firefox pentru Android sunt vulnerabile, iar pentru a bloca problema este necesar s\u0103 se fac\u0103 upgrade la noua edi\u021bie<\/a><\/noindex> a browser-ului (Fenix), care utilizeaz\u0103 motorul GeckoView, construit pe tehnologiile Firefox Quantum \u0219i un set de biblioteci Mozilla Android Components<\/a><\/noindex>. Versiunile Firefox pentru sisteme desktop nu sunt afectate de aceast\u0103 problem\u0103.<\/p>\n

Pentru testarea vulnerabilit\u0103\u021bii preg\u0103tit<\/a><\/noindex> un prototip func\u021bional de exploit. Atacul se desf\u0103\u0219oar\u0103 f\u0103r\u0103 nicio ac\u021biune din partea utilizatorului, este suficient ca pe dispozitivul mobil s\u0103 fie pornit browser-ul vulnerabil Firefox pentru Android \u0219i ca victima s\u0103 se afle \u00een aceea\u0219i subre\u021bea cu serverul SSDP al atacatorului. <\/p>\n

Firefox pentru Android trimite periodic \u00een modul de broadcasting (multicast UDP) mesaje SSDP pentru a determina prezen\u021ba dispozitivelor de broadcast \u00een re\u021beaua local\u0103, cum ar fi playere multimedia \u0219i televizoare inteligente. Toate dispozitivele din re\u021beaua local\u0103 primesc aceste mesaje \u0219i au posibilitatea de a trimite un r\u0103spuns. \u00cen mod normal, dispozitivul returneaz\u0103 un link c\u0103tre fi\u0219ierul XML cu informa\u021bii despre dispozitivul care suport\u0103 UPnP. \u00cen timpul atacului, \u00een loc de un link c\u0103tre XML, se poate transmite un URI cu comenzi intent pentru Android. <\/p>\n

Folosind comenzile intent, utilizatorul poate fi redirec\u021bionat c\u0103tre site-uri de phishing sau se poate transmite un link c\u0103tre un fi\u0219ier xpi (browserul va oferi op\u021biunea de a instala extensia). Deoarece r\u0103spunsurile atacatorului nu sunt limitate, acesta poate \u00eencerca s\u0103 cople\u0219easc\u0103 browserul cu oferte de instalare sau site-uri mali\u021bioase, sper\u00e2nd c\u0103 utilizatorul va gre\u0219i \u0219i va face clic pe instalarea pachetului mali\u021bios. Pe l\u00e2ng\u0103 deschiderea de linkuri arbitrare \u00een browser, comenzile intent pot fi folosite pentru a procesa con\u021binutul \u0219i \u00een alte aplica\u021bii Android, de exemplu, se poate deschide un \u0219ablon de e-mail \u00een clientul de po\u0219t\u0103 (URI mailto:) sau se poate lansa interfa\u021ba pentru a efectua un apel (URI tel:).<\/p>\n


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<\/a><\/noindex><\/p>\n

Sursa: opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 Firefox \u0434\u043b\u044f Android \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 SSDP, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432 \u0432 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443, \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0435\u043c\u0443\u0441\u044f \u0432 \u0442\u043e\u0439 \u0436\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0438\u043b\u0438 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u0441\u0435\u0442\u0438, \u043e\u0442\u0432\u0435\u0442\u0438\u0442\u044c \u043d\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u0447\u043d\u044b\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u044b Firefox \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435\u043c UPnP XML «LOCATION» \u0441 intent-\u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c\u0438, \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044c \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 URI \u0438\u043b\u0438 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. […]<\/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-94683","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\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\udd47Vulnerabilitate \u00een Firefox pentru Android, permi\u021b\u00e2nd controlul browserului prin Wi-Fi public | ProHoster","description":"O vulnerabilitate grav\u0103 a fost identificat\u0103 \u00een Firefox pentru 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