{"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\/hu\/blog\/news\/uyazvimost-v-firefox-dlya-android-pozvolyayushhaya-upravlyat-brauzerom-cherez-obshhij-wi-fi","title":{"rendered":"Hiba a Firefox sz\u00e1m\u00e1ra Androidon, amely lehet\u0151v\u00e9 teszi a b\u00f6ng\u00e9sz\u0151 ir\u00e1ny\u00edt\u00e1s\u00e1t nyilv\u00e1nos Wi-Fi-n kereszt\u00fcl","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Firefox sz\u00e1m\u00e1ra Androidon identified<\/a><\/noindex> s\u00falyos vulnerability<\/a><\/noindex> a protokoll megval\u00f3s\u00edt\u00e1s\u00e1ban SSDP<\/a><\/noindex>, amely a helyi h\u00e1l\u00f3zaton l\u00e9v\u0151 h\u00e1l\u00f3zati szolg\u00e1ltat\u00e1sok \u00e9szlel\u00e9s\u00e9re szolg\u00e1l. A sebezhet\u0151s\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, aki ugyanazon helyi vagy vezet\u00e9k n\u00e9lk\u00fcli h\u00e1l\u00f3zaton van, hogy a Firefox \u00e1ltal k\u00fcld\u00f6tt ellen\u0151rz\u0151 k\u00e9rd\u00e9sekre UPnP XML \u201eLOCATION\u201d \u00fczenettel v\u00e1laszoljon. intent parancsokkal<\/a><\/noindex>, amelyek seg\u00edts\u00e9g\u00e9vel tetsz\u0151leges URI-t nyithatunk meg a b\u00f6ng\u00e9sz\u0151ben, vagy m\u00e1s alkalmaz\u00e1sok kezel\u0151it h\u00edvhatjuk meg. <\/p>\n

A probl\u00e9ma eg\u00e9szen a Firefox sz\u00e1m\u00e1ra Androidon 68.11.0-\u00e1s kibocs\u00e1t\u00e1s\u00e1ig terjed<\/a><\/noindex> , \u00e9s az Firefox sz\u00e1m\u00e1ra Androidon 79-es verzi\u00f3ban ker\u00fclt megold\u00e1sra, azaz a r\u00e9gi klasszikus Firefox verzi\u00f3k Androidon sebezhet\u0151ek, \u00e9s a probl\u00e9ma blokkol\u00e1s\u00e1hoz friss\u00edteni kell a \u00faj kiad\u00e1sra<\/a><\/noindex> b\u00f6ng\u00e9sz\u0151 (Fenix), amely a GeckoView motoron alapul, a Firefox Quantum technol\u00f3gi\u00e1i alapj\u00e1n, \u00e9s egy k\u00f6nyvt\u00e1r halmazt haszn\u00e1l Mozilla Android Components<\/a><\/noindex>. A Firefox asztali verzi\u00f3inak probl\u00e9m\u00e1ja nem \u00e9rinti.<\/p>\n

A sebezhet\u0151s\u00e9g tesztel\u00e9s\u00e9hez elk\u00e9sz\u00edtett<\/a><\/noindex> m\u0171k\u00f6d\u0151 protot\u00edpus exploit. A t\u00e1mad\u00e1s b\u00e1rminem\u0171 felhaszn\u00e1l\u00f3i beavatkoz\u00e1s n\u00e9lk\u00fcl t\u00f6rt\u00e9nik, elegend\u0151, ha az \u00e9rintett mobil eszk\u00f6z\u00f6n a sebezhet\u0151 Firefox b\u00f6ng\u00e9sz\u0151 fut, \u00e9s a \u00e1ldozat az SSDP szerverrel egy alh\u00e1l\u00f3zaton tal\u00e1lhat\u00f3. <\/p>\n

A Firefox Androidon id\u0151szakonk\u00e9nt sz\u00e9les s\u00e1von (multicast UDP) SSDP \u00fczeneteket k\u00fcld arra, hogy meghat\u00e1rozza a helyi h\u00e1l\u00f3zatban jelenl\u00e9v\u0151 eszk\u00f6z\u00f6ket, mint p\u00e9ld\u00e1ul multim\u00e9dia lej\u00e1tsz\u00f3k \u00e9s okost\u00e9v\u00e9k. Minden eszk\u00f6z a helyi h\u00e1l\u00f3zaton megkapja ezeket az \u00fczeneteket, \u00e9s lehet\u0151s\u00e9ge van v\u00e1laszolni. Norm\u00e1l \u00fczemm\u00f3dban az eszk\u00f6z XML f\u00e1jl hely\u00e9re mutat\u00f3 hivatkoz\u00e1st k\u00fcld az UPnP-t t\u00e1mogat\u00f3 eszk\u00f6zr\u0151l. A t\u00e1mad\u00e1s sor\u00e1n az XML hivatkoz\u00e1s helyett egy URI-t lehet k\u00fcldeni intent parancsokkal az Android sz\u00e1m\u00e1ra. <\/p>\n

Az intent-parancsok seg\u00edts\u00e9g\u00e9vel a felhaszn\u00e1l\u00f3t \u00e1tir\u00e1ny\u00edthatjuk phishing-oldalakra, vagy megoszthatunk egy xpi f\u00e1jlra mutat\u00f3 linket (a b\u00f6ng\u00e9sz\u0151 felaj\u00e1nlja a kieg\u00e9sz\u00edt\u0151 telep\u00edt\u00e9s\u00e9t). Mivel a t\u00e1mad\u00f3 v\u00e1laszai semmilyen m\u00f3don nincsenek korl\u00e1tozva, megpr\u00f3b\u00e1lhatja belef\u00e1rasztani a felhaszn\u00e1l\u00f3t, \u00e9s el\u00e1rasztani a b\u00f6ng\u00e9sz\u0151t telep\u00edt\u00e9si aj\u00e1nlatokkal vagy k\u00e1rt\u00e9kony helysz\u00ednekkel, abban a rem\u00e9nyben, hogy a felhaszn\u00e1l\u00f3 hib\u00e1zik, \u00e9s r\u00e1kattint a k\u00e1rt\u00e9kony csomag telep\u00edt\u00e9s\u00e9re. Az \u00f6n\u00e1ll\u00f3 linkek megnyit\u00e1sa mellett a b\u00f6ng\u00e9sz\u0151ben az intent-parancsok haszn\u00e1lhat\u00f3k tartalomfeldolgoz\u00e1sra m\u00e1s Android-alkalmaz\u00e1sokban is, p\u00e9ld\u00e1ul egy lev\u00e9lmint\u00e1t megnyithatunk egy levelez\u0151programban (URI mailto:) vagy elind\u00edthatunk egy h\u00edv\u00e1si fel\u00fcletet (URI tel:).<\/p>\n


\n

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

Forr\u00e1s: 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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