{"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\/it\/blog\/novosti-interneta\/spetsialisty-nashli-36-novyh-uyazvimostej-v-protokole-4g-lte","title":{"rendered":"Gli esperti hanno trovato 36 nuove vulnerabilit\u00e0 nel protocollo 4G LTE","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ogni transizione a uno standard di rete mobile pi\u00f9 recente non solo significa un aumento della velocit\u00e0 di trasferimento dati, ma consente anche di rendere la comunicazione pi\u00f9 affidabile e sicura contro accessi non autorizzati. A questo scopo, vengono esaminate le vulnerabilit\u00e0 riscontrate nei protocolli precedenti e si utilizzano nuovi metodi di verifica della sicurezza. In questo senso, la comunicazione tramite protocollo 5G promette di essere pi\u00f9 sicura rispetto al protocollo 4G (LTE), il che, tuttavia, non esclude la possibilit\u00e0 di scoprire vulnerabilit\u00e0 nel futuro di \"5G\". Allo stesso modo, gli anni di utilizzo del 4G non hanno esonerato questo protocollo dal rilevamento di molte nuove vulnerabilit\u00e0. Un recente esempio a conferma di questa tesi \u00e8 stata una ricerca di esperti sudcoreani in sicurezza, che ha identificato 36 nuove vulnerabilit\u00e0 pericolose nel protocollo 4G.<\/p>\n

\"Gli<\/p>\n

Gli esperti dell'istituto Korea Advanced Institute of Science and Technology (KAIST) hanno applicato alla ricerca di vulnerabilit\u00e0 nel protocollo (in rete) LTE lo stesso metodo utilizzato per individuare soluzioni problematiche nel software per PC e server<\/a>. Questo \u00e8 il cosiddetto metodo fuzzing, in cui il sistema viene attaccato (sommerso) da una sequenza di dati errati, inaspettati o casuali. Dopo il carico, si analizza la risposta del sistema e si costruiscono scenari di protezione o approfondimento dell'attacco. Questo lavoro pu\u00f2 essere svolto in modalit\u00e0 semi-automatica, affidando al sistema l'inserimento del processo di trasmissione e ricezione dei dati, mentre gli scenari di attacco e l'analisi dei dati ricevuti vengono sviluppati manualmente. Ad esempio, gli specialisti di KAIST hanno sviluppato l'utilit\u00e0 LTEFuzz per testare la sicurezza del protocollo LTE e cercare vulnerabilit\u00e0, ma promettono di non renderla pubblica, bens\u00ec di fornirla solo ai produttori di apparecchiature e agli operatori di rete.<\/p>\n

\"Gli
\n<\/center><\/p>\n

Con LTEFuzz sono state scoperte pi\u00f9 di 50 vulnerabilit\u00e0, di cui 36 risultavano del tutto nuove. Il metodo ha permesso di individuare 15 vulnerabilit\u00e0 gi\u00e0 note, il che ha confermato la correttezza della tecnologia scelta (se se ne conosce l'esistenza, perch\u00e9 non sono state chiuse?). I test sono stati effettuati nelle reti di due operatori non identificati e in collaborazione con loro, quindi gli utenti comuni non hanno subito danni. Sono emerse molte cose interessanti. \u00c8 stato possibile intercettare le comunicazioni degli utenti, raccogliere dati durante lo scambio tra le stazioni base e i dispositivi, inviare SMS falsi, bloccare le chiamate in arrivo, disconnettere gli utenti dalla rete, gestire il traffico e fare molto altro. Tutte le vulnerabilit\u00e0 scoperte, comprese le \"falle\" nelle apparecchiature delle stazioni base cellulari, sono state comunicate da KAIST ai fornitori e alle organizzazioni 3GPP e GSMA.<\/p>\n

<\/p>\n

<\/center><\/p>\n

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

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