{"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\/cs\/blog\/news\/spetsialisty-nashli-36-novyh-uyazvimostej-v-protokole-4g-lte","title":{"rendered":"Odborn\u00edci objevili 36 nov\u00fdch zranitelnost\u00ed v protokolu 4G LTE","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u0159echod na nov\u011bj\u0161\u00ed standard mobiln\u00ed komunikace v\u017edy znamen\u00e1 nejen zv\u00fd\u0161en\u00ed rychlosti p\u0159enosu dat, ale tak\u00e9 zaji\u0161t\u011bn\u00ed spolehliv\u011bj\u0161\u00edho a l\u00e9pe chr\u00e1n\u011bn\u00e9ho spojen\u00ed p\u0159ed neopr\u00e1vn\u011bn\u00fdm p\u0159\u00edstupem. K tomu se vyu\u017e\u00edvaj\u00ed zranitelnosti nalezen\u00e9 v p\u0159edchoz\u00edch protokolech a nov\u00e9 metody ov\u011b\u0159ov\u00e1n\u00ed bezpe\u010dnosti. V tomto ohledu slibuje spojen\u00ed pomoc\u00ed protokolu 5G v\u011bt\u0161\u00ed spolehlivost ne\u017e spojen\u00ed s pou\u017eit\u00edm protokolu 4G (LTE), co\u017e v\u0161ak nevylu\u010duje pravd\u011bpodobnost odhalen\u00ed zranitelnost\u00ed \u201e5G\u201c v budoucnu. Stejn\u011b tak roky pou\u017e\u00edv\u00e1n\u00ed 4G nezbavily tento protokol zji\u0161t\u011bn\u00ed mnoha nov\u00fdch zranitelnost\u00ed. \u010cerstv\u00fdm potvrzen\u00edm t\u00e9to teze je v\u00fdzkum jihokorejsk\u00fdch specialist\u016f na bezpe\u010dnost, kte\u0159\u00ed v protokolu 4G objevili 36 nov\u00fdch nebezpe\u010dn\u00fdch zranitelnost\u00ed.<\/p>\n

\"Odborn\u00edci<\/p>\n

Odborn\u00edci z Korea Advanced Institute of Science and Technology (KAIST) pou\u017eili p\u0159i vyhled\u00e1v\u00e1n\u00ed zranitelnost\u00ed v protokolu (v s\u00edti) LTE stejnou metodu, kter\u00e1 se pou\u017e\u00edv\u00e1 pro hled\u00e1n\u00ed probl\u00e9mov\u00fdch \u0159e\u0161en\u00ed v software pro PC a servery<\/a>. Jedn\u00e1 se o takzvanou metodu fuzzingu, kdy je syst\u00e9m napad\u00e1n (zat\u011b\u017eov\u00e1n) sekvenc\u00ed nespr\u00e1vn\u00fdch, ne\u010dekan\u00fdch nebo n\u00e1hodn\u00fdch dat. Po zat\u00ed\u017een\u00ed se zkoum\u00e1 reakce syst\u00e9mu a vytv\u00e1\u0159ej\u00ed se ochrann\u00e9 sc\u00e9n\u00e1\u0159e nebo sc\u00e9n\u00e1\u0159e pro prohlubov\u00e1n\u00ed \u00fatoku. Tuto pr\u00e1ci lze prov\u00e1d\u011bt v poloautomatick\u00e9m re\u017eimu, p\u0159i\u010dem\u017e syst\u00e9m zav\u00e1d\u00ed proces p\u0159enosu a p\u0159\u00edjmu dat, zat\u00edmco sc\u00e9n\u00e1\u0159e \u00fatoku a anal\u00fdza z\u00edskan\u00fdch dat se prov\u00e1d\u011bj\u00ed ru\u010dn\u011b. Nap\u0159\u00edklad odborn\u00edci z KAIST vyvinuli n\u00e1stroj LTEFuzz pro kontrolu bezpe\u010dnosti protokolu LTE a hled\u00e1n\u00ed zranitelnost\u00ed, ale slibuj\u00ed, \u017ee jej nebudou zve\u0159ej\u0148ovat, n\u00fdbr\u017e ho p\u0159edaj\u00ed pouze v\u00fdrobc\u016fm za\u0159\u00edzen\u00ed a oper\u00e1tor\u016fm s\u00edt\u00ed.<\/p>\n

\"Odborn\u00edci
\n<\/center><\/p>\n

Pomoc\u00ed n\u00e1stroje LTEFuzz bylo odhaleno v\u00edce ne\u017e 50 zranitelnost\u00ed, z nich\u017e 36 bylo zcela nov\u00fdch. Tato metoda umo\u017enila naj\u00edt 15 ji\u017e zn\u00e1m\u00fdch zranitelnost\u00ed, co\u017e potvrdilo spr\u00e1vnost zvolen\u00e9 technologie (pokud byly zn\u00e1my, pro\u010d nebyly opraveny?). Testov\u00e1n\u00ed prob\u00edhalo v s\u00edt\u00edch dvou nejmenovan\u00fdch oper\u00e1tor\u016f ve spolupr\u00e1ci s nimi, tak\u017ee b\u011b\u017en\u00ed u\u017eivatel\u00e9 nebyli nijak posti\u017eeni. Bylo odhaleno mnoho zaj\u00edmav\u00e9ho. Poda\u0159ilo se odposlouch\u00e1vat \u00fa\u010dastn\u00edky, zachycovat data p\u0159i v\u00fdm\u011bn\u011b mezi z\u00e1kladnov\u00fdmi stanicemi a za\u0159\u00edzen\u00edmi, rozes\u00edlat fale\u0161n\u00e9 SMS, blokovat p\u0159\u00edchoz\u00ed hovory, odpojovat \u00fa\u010dastn\u00edky od s\u00edt\u011b, \u0159\u00eddit provoz a vykon\u00e1vat mnoho dal\u0161\u00edch akc\u00ed. O v\u0161ech nalezen\u00fdch zranitelnostech, v\u010detn\u011b \u201ed\u011br\u201c v za\u0159\u00edzen\u00edch z\u00e1kladnov\u00fdch stanic mobiln\u00ed komunikace, byli specialist\u00e9 KAIST informov\u00e1ni o dodavatel\u00edch a organizac\u00edch 3GPP a GSMA.<\/p>\n

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

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