{"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\/ro\/blog\/news\/spetsialisty-nashli-36-novyh-uyazvimostej-v-protokole-4g-lte","title":{"rendered":"Speciali\u0219tii au descoperit 36 de vulnerabilit\u0103\u021bi noi \u00een protocolul 4G LTE","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Fiecare tranzi\u021bie la un standard mai nou de re\u021bea mobil\u0103 \u00eenseamn\u0103 nu doar o cre\u0219tere a vitezei de transfer a datelor, ci \u0219i o \u00eent\u0103rire a fiabilit\u0103\u021bii \u0219i securit\u0103\u021bii \u00eempotriva accesului neautorizat. Pentru aceasta, se iau \u00een considerare vulnerabilit\u0103\u021bile identificate \u00een protocoalele anterioare \u0219i se aplic\u0103 noi metode de verificare a securit\u0103\u021bii. \u00cen acest sens, conexiunea prin protocolul 5G promite s\u0103 fie mai fiabil\u0103 dec\u00e2t cea utiliz\u00e2nd protocolul 4G (LTE), f\u0103r\u0103 a exclude \u00eens\u0103 posibilitatea descoperirii de vulnerabilit\u0103\u021bi \u00een viitor \u00een leg\u0103tur\u0103 cu \u201e5G\u201d. La fel, anii de utilizare a 4G nu au scutit acest protocol de identificarea multor noi vulnerabilit\u0103\u021bi. Un exemplu recent care confirm\u0103 aceast\u0103 afirma\u021bie este un studiu realizat de speciali\u0219ti sud-coreeni \u00een securitate, care au descoperit 36 de vulnerabilit\u0103\u021bi periculoase noi \u00een protocolul 4G.<\/p>\n

\"Speciali\u0219tii<\/p>\n

Speciali\u0219tii de la Korea Advanced Institute of Science and Technology (KAIST) au aplicat aceea\u0219i metod\u0103 pentru identificarea vulnerabilit\u0103\u021bilor \u00een protocolul (\u00een re\u021bea) LTE, pe care o folosesc pentru a g\u0103si solu\u021bii problematice \u00een software-ul pentru PC \u0219i servere<\/a>. Aceast\u0103 metod\u0103 este cunoscut\u0103 sub numele de fuzzing, c\u00e2nd sistemul este atacat (supus unor teste) cu o secven\u021b\u0103 de date incorecte, nea\u0219teptate sau aleatorii. Dup\u0103 testare, se analizeaz\u0103 r\u0103spunsul sistemului \u0219i se construiesc scenarii de ap\u0103rare sau de aprofundare a atacului. Aceast\u0103 activitate poate fi realizat\u0103 \u00een mod semi-automat, \u00eencredin\u021b\u00e2nd sistemului sarcina de transmitere \u0219i recep\u021bie a datelor, \u00een timp ce scenariile de atac \u0219i analiza datelor ob\u021binute sunt elaborate manual. De exemplu, speciali\u0219tii KAIST au dezvoltat o unealt\u0103 numit\u0103 LTEFuzz pentru a verifica securitatea protocolului LTE \u0219i pentru a identifica vulnerabilit\u0103\u021bi, dar promit s\u0103 nu o fac\u0103 public\u0103, ci s\u0103 o ofer\u0103 doar produc\u0103torilor de echipamente \u0219i operatorilor de telecomunica\u021bii.<\/p>\n

\"Speciali\u0219tii
\n<\/center><\/p>\n

Prin intermediul LTEFuzz au fost descoperite peste 50 de vulnerabilit\u0103\u021bi, dintre care 36 s-au dovedit a fi complet noi. Metoda a permis identificarea a 15 vulnerabilit\u0103\u021bi deja cunoscute, ceea ce a confirmat corectitudinea tehnologiei alese (dac\u0103 sunt cunoscute, de ce nu au fost remediate?). Testarea a fost efectuat\u0103 \u00een re\u021belele a doi operatori neidentifica\u021bi, \u00een colaborare cu ace\u0219tia, astfel c\u0103 utilizatorii obi\u0219nui\u021bi nu au fost afecta\u021bi. \u0218i au fost descoperite multe lucruri interesante. S-a reu\u0219it interceptarea abona\u021bilor, citirea datelor \u00een timpul schimbului dintre sta\u021biile de baz\u0103 \u0219i dispozitive, trimiterea de SMS-uri false, blocarea apelurilor primite, deconectarea abona\u021bilor de la re\u021bea, gestionarea traficului \u0219i multe altele. Toate vulnerabilit\u0103\u021bile g\u0103site, inclusiv \u201esl\u0103biciunile\u201d echipamentului sta\u021biilor de baz\u0103 de telefonie mobil\u0103, au fost raportate de speciali\u0219tii KAIST c\u0103tre furnizori \u0219i organiza\u021biile 3GPP \u0219i GSMA.<\/p>\n

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

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