{"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\/cs\/blog\/news\/uyazvimost-v-firefox-dlya-android-pozvolyayushhaya-upravlyat-brauzerom-cherez-obshhij-wi-fi","title":{"rendered":"Zranitelnost ve Firefoxu pro Android, kter\u00e1 umo\u017e\u0148uje ovl\u00e1dat prohl\u00ed\u017ee\u010d p\u0159es ve\u0159ejn\u00e9 Wi-Fi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ve Firefoxu pro Android byla odhalena<\/a><\/noindex> z\u00e1va\u017en\u00e1 zranitelnost<\/a><\/noindex> v implementaci protokolu SSDP<\/a><\/noindex>, pou\u017e\u00edvan\u00e9ho k detekci s\u00ed\u0165ov\u00fdch slu\u017eeb v m\u00edstn\u00ed s\u00edti. Zranitelnost umo\u017e\u0148uje \u00fato\u010dn\u00edkovi, kter\u00fd se nach\u00e1z\u00ed ve stejn\u00e9 m\u00edstn\u00ed nebo bezdr\u00e1tov\u00e9 s\u00edti, odpov\u011bd\u011bt na zku\u0161ebn\u00ed po\u017eadavky Firefoxu zpr\u00e1vou UPnP XML \u201eLOCATION\u201c s intent-komandami<\/a><\/noindex>, pomoc\u00ed kter\u00fdch lze v prohl\u00ed\u017ee\u010di otev\u0159\u00edt libovolnou URI nebo vyvolat obslu\u017en\u00e9 programy jin\u00fdch aplikac\u00ed. <\/p>\n

Probl\u00e9m se projevuje a\u017e do vyd\u00e1n\u00ed Firefoxu pro Android 68.11.0<\/a><\/noindex> a je odstran\u011bn ve verzi Firefoxu pro Android 79, tj. star\u0161\u00ed klasick\u00e9 verze Firefoxu pro Android jsou zraniteln\u00e9 a k zablokov\u00e1n\u00ed probl\u00e9mu je nutn\u00fd p\u0159echod na novou edici<\/a><\/noindex> prohl\u00ed\u017ee\u010de (Fenix), ve kter\u00e9 je pou\u017eit engine GeckoView, zalo\u017een\u00fd na technologi\u00edch Firefox Quantum, a sada knihoven Mozilla Android Components<\/a><\/noindex>. Verze Firefoxu pro desktopov\u00e9 syst\u00e9my probl\u00e9m neovliv\u0148uje.<\/p>\n

Pro testov\u00e1n\u00ed zranitelnosti p\u0159ipraven<\/a><\/noindex> pracovn\u00ed prototyp exploit. \u00datok prob\u00edh\u00e1 bez jak\u00fdchkoli akc\u00ed ze strany u\u017eivatele, sta\u010d\u00ed, aby na mobiln\u00edm za\u0159\u00edzen\u00ed byl spu\u0161t\u011bn zraniteln\u00fd prohl\u00ed\u017ee\u010d Firefox pro Android a aby byla ob\u011b\u0165 v jedn\u00e9 pods\u00edti s SSDP serverem \u00fato\u010dn\u00edka. <\/p>\n

Firefox pro Android periodicky v \u0161irok\u00e9m vys\u00edl\u00e1n\u00ed (multicast UDP) pos\u00edl\u00e1 SSDP zpr\u00e1vy pro ur\u010den\u00ed p\u0159\u00edtomn\u00fdch za\u0159\u00edzen\u00ed v lok\u00e1ln\u00ed s\u00edti, jako jsou multimedi\u00e1ln\u00ed p\u0159ehr\u00e1va\u010de a chytr\u00e9 televizory. V\u0161echna za\u0159\u00edzen\u00ed v lok\u00e1ln\u00ed s\u00edti dostanou tato zpr\u00e1va a maj\u00ed mo\u017enost poslat odpov\u011b\u010f. V b\u011b\u017en\u00e9m re\u017eimu za\u0159\u00edzen\u00ed vrac\u00ed odkaz na um\u00edst\u011bn\u00ed XML souboru s informacemi o za\u0159\u00edzen\u00ed podporuj\u00edc\u00edm UPnP. P\u0159i prov\u00e1d\u011bn\u00ed \u00fatoku lze m\u00edsto odkazu na XML p\u0159edat URI s intent komandami pro Android. <\/p>\n

Pomoc\u00ed p\u0159\u00edkaz\u016f intent lze p\u0159esm\u011brovat u\u017eivatele na phishingov\u00e9 str\u00e1nky nebo p\u0159edat odkaz na xpi soubor (prohl\u00ed\u017ee\u010d nab\u00eddne instalaci dopl\u0148ku). Vzhledem k tomu, \u017ee odpov\u011bdi \u00fato\u010dn\u00edka nejsou ni\u010d\u00edm omezeny, m\u016f\u017ee se pokusit vz\u00edt u\u017eivatele na h\u016fl a zaplavit prohl\u00ed\u017ee\u010d nab\u00eddkami ke sta\u017een\u00ed nebo \u0161kodliv\u00fdmi weby s nad\u011bj\u00ed, \u017ee u\u017eivatel ud\u011bl\u00e1 chybu a klikne na instalaci \u0161kodliv\u00e9ho bal\u00ed\u010dku. Krom\u011b otev\u00edr\u00e1n\u00ed libovoln\u00fdch odkaz\u016f v samotn\u00e9m prohl\u00ed\u017ee\u010di mohou b\u00fdt p\u0159\u00edkazy intent pou\u017eity k zpracov\u00e1n\u00ed obsahu i v jin\u00fdch aplikac\u00edch pro Android, nap\u0159\u00edklad pro otev\u0159en\u00ed \u0161ablony e-mailu v e-mailov\u00e9m klientu (URI mailto:) nebo k spu\u0161t\u011bn\u00ed rozhran\u00ed pro uskute\u010dn\u011bn\u00ed hovoru (URI tel:).<\/p>\n


\n

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

Zdroj: opennet.ru<\/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. 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