{"id":101183,"date":"2021-09-03T10:22:53","date_gmt":"2021-09-03T08:22:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovany-rezultaty-audita-vpn-klienta-mozilla"},"modified":"2021-09-03T10:22:53","modified_gmt":"2021-09-03T08:22:53","slug":"opublikovany-rezultaty-audita-vpn-klienta-mozilla","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovany-rezultaty-audita-vpn-klienta-mozilla","title":{"rendered":"Nyilv\u00e1noss\u00e1gra hozt\u00e1k a Mozilla VPN-\u00fcgyf\u00e9l auditj\u00e1nak eredm\u00e9nyeit.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Mozilla bejelentette, hogy befejezte a Mozilla VPN szolg\u00e1ltat\u00e1shoz kapcsol\u00f3d\u00f3 kliens szoftver f\u00fcggetlen auditj\u00e1t. Az audit sor\u00e1n elemz\u00e9sre ker\u00fclt a Qt k\u00f6nyvt\u00e1r felhaszn\u00e1l\u00e1s\u00e1val \u00edrt, Linux, macOS, Windows, Android \u00e9s iOS rendszerekre el\u00e9rhet\u0151 elk\u00fcl\u00f6n\u00edtett kliensalkalmaz\u00e1s. A Mozilla VPN a Mullvad sv\u00e9d VPN szolg\u00e1ltat\u00f3 t\u00f6bb mint 400 szerver\u00e9n kereszt\u00fcl m\u0171k\u00f6dik, amelyek t\u00f6bb mint 30 orsz\u00e1gban tal\u00e1lhat\u00f3k. Kapcsol\u00f3d\u00e1s a VPN<\/a>-szolg\u00e1ltat\u00e1shoz a WireGuard protokoll seg\u00edts\u00e9g\u00e9vel t\u00f6rt\u00e9nik. <\/p>\n

Az auditot a Cure53 v\u00e9gezte, amely kor\u00e1bban az NTPsec, SecureDrop, Cryptocat, F-Droid \u00e9s Dovecot projektek auditj\u00e1t is elv\u00e9gezte. Az audit a forr\u00e1sk\u00f3dok ellen\u0151rz\u00e9s\u00e9re \u00e9s lehets\u00e9ges sebezhet\u0151s\u00e9gek felt\u00e1r\u00e1s\u00e1ra ir\u00e1nyult (a kriptogr\u00e1fi\u00e1val kapcsolatos k\u00e9rd\u00e9seket nem vizsg\u00e1lt\u00e1k). A vizsg\u00e1lat sor\u00e1n 16 biztons\u00e1gi probl\u00e9m\u00e1t azonos\u00edtottak, amelyek k\u00f6z\u00fcl 8 aj\u00e1nl\u00e1s form\u00e1j\u00e1ban jelentkezett, 5 alacsony kock\u00e1zat\u00fa, 2 k\u00f6zepes, \u00e9s 1 magas kock\u00e1zat\u00fanak min\u0151s\u00fclt. <\/p>\n

Ebb\u0151l csup\u00e1n egy k\u00f6zepes szint\u0171 vesz\u00e9lyess\u00e9ggel b\u00edr\u00f3 probl\u00e9ma lett sebezhet\u0151s\u00e9gk\u00e9nt katal\u00f3giz\u00e1lva, mivel csak ez volt kihaszn\u00e1lhat\u00f3. A megadott probl\u00e9m\u00e1t a VPN haszn\u00e1lat\u00e1nak kisziv\u00e1rg\u00e1s\u00e1hoz vezette, \u00e9s a captive portal meghat\u00e1roz\u00e1s\u00e1ra szolg\u00e1l\u00f3 k\u00f3d miatt, amely titkos\u00edtatlan k\u00f6zvetlen HTTP k\u00e9r\u00e9sek k\u00fcld\u00e9s\u00e9t eredm\u00e9nyezte a VPN alagutakon k\u00edv\u00fcl, leleplezve a felhaszn\u00e1l\u00f3 alap IP-c\u00edm\u00e9t, ha a t\u00e1mad\u00f3 k\u00e9pes kontroll\u00e1lni a tranzitforgalmat. A probl\u00e9ma megoldhat\u00f3 a captive portal meghat\u00e1roz\u00e1si m\u00f3d kikapcsol\u00e1s\u00e1val a be\u00e1ll\u00edt\u00e1sokban. <\/p>\n

A közepes szint\u0171 veszélyeztetettség második problémája a portszám nem numerikus értékeinek megfelel\u0151 tisztításának hiányával függ össze, ami lehet\u0151vé teszi az OAuth hitelesítési paraméterek szivárgását, ha a portszámot egy «1234@example.com» jelleg\u0171 karakterláncra cseréljük, ami egy címke felállításához vezet <img src="»http:\/\/127.0.0.1:1234@example.com\/?code=…«" alt="»»">, amely a example.com-hoz irányít a 127.0.0.1 helyett. <\/p>\n

A harmadik, vesz\u00e9lyesnek min\u0151s\u00edtett probl\u00e9ma lehet\u0151v\u00e9 teszi b\u00e1rmely helyi alkalmaz\u00e1s sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl hozz\u00e1f\u00e9rjen a VPN klienshez a localhost-ra k\u00f6t\u00f6tt WebSocket-en kereszt\u00fcl. P\u00e9ld\u00e1ul bemutat\u00e1sra ker\u00fclt, hogy akt\u00edv VPN kliens eset\u00e9n b\u00e1rmely weboldal k\u00e9pes volt k\u00e9perny\u0151k\u00e9p l\u00e9trehoz\u00e1s\u00e1ra \u00e9s k\u00fcld\u00e9s\u00e9re a screen_capture esem\u00e9ny gener\u00e1l\u00e1s\u00e1val. A probl\u00e9ma nem ker\u00fclt sebezhet\u0151s\u00e9gk\u00e9nt katal\u00f3giz\u00e1l\u00e1sra, mivel a WebSocket csak bels\u0151 tesztel\u00e9si v\u00e1ltozatokban volt haszn\u00e1lva, \u00e9s a kommunik\u00e1ci\u00f3s csatorna alkalmaz\u00e1sa a j\u00f6v\u0151ben tervezett browser kieg\u00e9sz\u00edt\u0151 interakci\u00f3j\u00e1ra szolg\u00e1lt.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0433\u043e \u0430\u0443\u0434\u0438\u0442\u0430 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u043e\u0433\u043e \u041f\u041e \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a \u0441\u0435\u0440\u0432\u0438\u0441\u0443 Mozilla VPN. \u0412 \u0445\u043e\u0434\u0435 \u0430\u0443\u0434\u0438\u0442\u0430 \u0431\u044b\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u0430\u043d\u0430\u043b\u0438\u0437 \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Qt \u0438 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f Linux, macOS, Windows, Android \u0438 iOS. \u0420\u0430\u0431\u043e\u0442\u0443 Mozilla VPN \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 400 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0448\u0432\u0435\u0434\u0441\u043a\u043e\u0433\u043e VPN-\u043f\u0440\u043e\u0432\u0430\u0439\u0434\u0435\u0440\u0430 Mullvad, \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d\u043d\u044b\u0445 \u0432 \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c 30 \u0441\u0442\u0440\u0430\u043d\u0430\u0445. \u041f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 […]<\/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-101183","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\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\udd47Megjelent a Mozilla VPN kliens auditj\u00e1nak eredm\u00e9nyei | ProHoster","description":"A Mozilla bejelentette, hogy befejezte a Mozilla VPN szolg\u00e1ltat\u00e1shoz kapcsol\u00f3d\u00f3 kliens szoftver f\u00fcggetlen 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