{"id":30609,"date":"2019-10-31T21:36:28","date_gmt":"2019-10-31T18:36:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/spetsialisty-nashli-36-novyh-uyazvimostej-v-protokole-4g-lte\/"},"modified":"2019-10-31T21:36:28","modified_gmt":"2019-10-31T18:36:28","slug":"spetsialisty-nashli-36-novyh-uyazvimostej-v-protokole-4g-lte","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/spetsialisty-nashli-36-novyh-uyazvimostej-v-protokole-4g-lte","title":{"rendered":"Specjali\u015bci odkryli 36 nowych luk w protokole 4G LTE.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Przechodzenie na coraz nowszy standard komunikacji kom\u00f3rkowej oznacza nie tylko zwi\u0119kszenie pr\u0119dko\u015bci przesy\u0142u danych, ale r\u00f3wnie\u017c pozwala na uczynienie \u0142\u0105czno\u015bci bardziej niezawodn\u0105 i odporn\u0105 na nieautoryzowany dost\u0119p. W tym celu wykorzystywane s\u0105 luki znalezione w poprzednich protoko\u0142ach oraz nowe metody weryfikacji bezpiecze\u0144stwa. W tym kontek\u015bcie \u0142\u0105czno\u015b\u0107 w protokole 5G obiecuje by\u0107 bardziej niezawodna ni\u017c ta wykorzystuj\u0105ca protok\u00f3\u0142 4G (LTE), co jednak nie wyklucza prawdopodobie\u0144stwa wykrycia w przysz\u0142o\u015bci luk w \u201e5G\u201d. Podobnie, lata eksploatacji 4G nie uwolni\u0142y tego protoko\u0142u od odkrycia wielu nowych luk bezpiecze\u0144stwa. \u015awie\u017cym przyk\u0142adem potwierdzaj\u0105cym t\u0119 tez\u0119 jest badanie po\u0142udniowokorea\u0144skich specjalist\u00f3w ds. bezpiecze\u0144stwa, kt\u00f3rzy w protokole 4G odkryli 36 nowych niebezpiecznych luk.<\/p>\n

\"Specjali\u015bci<\/p>\n

Specjali\u015bci z Korea Advanced Institute of Science and Technology (KAIST) zastosowali do poszukiwania luk w protokole (w sieci) LTE t\u0119 sam\u0105 metod\u0119, kt\u00f3ra jest u\u017cywana do znajdowania problematycznych rozwi\u0105za\u0144 w oprogramowaniu dla komputer\u00f3w i serwer\u00f3w<\/a>. To tzw. metoda fuzzingu, w kt\u00f3rej system jest atakowany (obci\u0105\u017cany) sekwencj\u0105 niepoprawnych, nieoczekiwanych lub losowych danych. Po obci\u0105\u017ceniu bada si\u0119 odpowied\u017a systemu i opracowuje scenariusze ochrony lub pog\u0142\u0119bienia ataku. Prac\u0119 t\u0119 mo\u017cna przeprowadza\u0107 w trybie p\u00f3\u0142automatycznym, powierzaj\u0105c systemowi wdro\u017cenie procesu przesy\u0142u i odbioru danych, podczas gdy scenariusze ataku i analiza uzyskanych danych s\u0105 opracowywane r\u0119cznie. Na przyk\u0142ad specjali\u015bci z KAIST stworzyli do sprawdzania bezpiecze\u0144stwa protoko\u0142u LTE oraz wyszukiwania luk narz\u0119dzie LTEFuzz, ale obiecuj\u0105, \u017ce nie udost\u0119pni\u0105 go publicznie, a przeka\u017c\u0105 tylko producentom sprz\u0119tu i operatorom sieci.<\/p>\n

\"Specjali\u015bci
\n<\/center><\/p>\n

Za pomoc\u0105 LTEFuzz odkryto ponad 50 luk, z czego 36 okaza\u0142o si\u0119 ca\u0142kowicie nowych. Metoda pozwoli\u0142a znale\u017a\u0107 15 ju\u017c znanych luk, co potwierdzi\u0142o s\u0142uszno\u015b\u0107 wybranej technologii (je\u015bli s\u0105 znane, dlaczego nie zosta\u0142y zabezpieczone?). Testy przeprowadzono w sieciach dw\u00f3ch nieujawnionych operator\u00f3w we wsp\u00f3\u0142pracy z nimi, wi\u0119c zwykli u\u017cytkownicy nie ucierpieli. Odkryto wiele interesuj\u0105cych rzeczy. Uda\u0142o si\u0119 pods\u0142uchiwa\u0107 abonent\u00f3w, zbiera\u0107 dane podczas wymiany informacji mi\u0119dzy stacjami bazowymi a urz\u0105dzeniami, wysy\u0142a\u0107 fa\u0142szywe SMS-y, blokowa\u0107 przychodz\u0105ce po\u0142\u0105czenia, roz\u0142\u0105cza\u0107 abonent\u00f3w z sieci\u0105, zarz\u0105dza\u0107 ruchem sieciowym i robi\u0107 wiele innych rzeczy. O wszystkich znalezionych lukach, w tym \u201edziurach\u201d w sprz\u0119cie stacji bazowych, specjali\u015bci KAIST poinformowali dostawc\u00f3w oraz organizacje 3GPP i GSMA.<\/p>\n

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\u0179r\u00f3d\u0142o: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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