{"id":36788,"date":"2019-10-31T22:13:49","date_gmt":"2019-10-31T19:13:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novye-uyazvimosti-v-tehnologii-zashhity-besprovodnyh-setej-wpa3-i-v-eap-pwd\/"},"modified":"2019-10-31T22:13:49","modified_gmt":"2019-10-31T19:13:49","slug":"novye-uyazvimosti-v-tehnologii-zashhity-besprovodnyh-setej-wpa3-i-v-eap-pwd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/novye-uyazvimosti-v-tehnologii-zashhity-besprovodnyh-setej-wpa3-i-v-eap-pwd","title":{"rendered":"Dob\u00ebsohen dob\u00ebsit\u00eb n\u00eb teknologjin\u00eb e mbrojtjes s\u00eb rrjeteve pa tela WPA3 dhe n\u00eb EAP-pwd","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mathy Vanhoef dhe Eyal RonenEyal Ronen<\/a><\/noindex>) identifikuan<\/a><\/noindex> nj\u00eb metod\u00eb e re sulmi (CVE-2019-13377) ndaj rrjeteve pa tela q\u00eb p\u00ebrdorin teknologjin\u00eb e mbrojtjes WPA3, e cila lejon marrjen e informacionit mbi karakteristikat e fjal\u00ebkalimit, q\u00eb mund t\u00eb p\u00ebrdoren p\u00ebr ta zbuluar at\u00eb n\u00eb m\u00ebnyr\u00eb offline. Problemi shfaqet n\u00eb versionin aktual t\u00eb Hostapd<\/a><\/noindex>.<\/p>\n

Kujtojm\u00eb se n\u00eb prill, t\u00eb nj\u00ebjtit autor\u00eb kishin identifikuar<\/a><\/noindex> gjasht\u00eb dob\u00ebsi n\u00eb WPA3, ndaj t\u00eb cilave organizata Wi-Fi Alliance, e cila zhvillon standardet p\u00ebr rrjetet pa tela, b\u00ebri ndryshime n\u00eb rekomandimet p\u00ebr sigurimin e zbatimeve t\u00eb sigurta t\u00eb WPA3, n\u00eb t\u00eb cilat u k\u00ebrkua p\u00ebrdorimi i kurbave elliptike t\u00eb sigurta Brainpool<\/a><\/noindex>, n\u00eb vend t\u00eb kurbave elliptike P-521 dhe P-256 m\u00eb par\u00eb t\u00eb pranuara. <\/p>\n

Megjithat\u00eb, analiza tregoi se p\u00ebrdorimi i Brainpool \u00e7on n\u00eb krijimin e nj\u00eb klase t\u00eb re rrjedhjesh p\u00ebrmes kanaleve an\u00ebsore n\u00eb algoritmin e p\u00ebrdorur n\u00eb WPA3 p\u00ebr negociat\u00ebn e lidhjeve Dragonfly<\/a><\/noindex>, q\u00eb ofron<\/a><\/noindex> mbrojtjen nga provat e fjal\u00ebkalimeve n\u00eb modalitetin offline. Problemi i identifikuar tregon se krijimi i realizimeve t\u00eb Dragonfly dhe WPA3, t\u00eb lira nga rrjedhjet e t\u00eb dh\u00ebnave p\u00ebrmes kanaleve t\u00eb jashtme, \u00ebsht\u00eb nj\u00eb detyr\u00eb jasht\u00ebzakonisht e v\u00ebshtir\u00eb, si dhe tregon d\u00ebshtimin e modelit t\u00eb zhvillimit t\u00eb standardeve pas dyerve t\u00eb mbyllura pa zhvillimin e nj\u00eb diskutimi publik mbi metodat e propozuara dhe auditi nga komuniteti.<\/p>\n

Kur p\u00ebrdoret kurba eliptike Brainpool p\u00ebr kodimin e fjal\u00ebkalimit, algoritmi Dragonfly kryen disa iteracione paraprake me fjal\u00ebkalimin, t\u00eb lidhura me llogaritjen e shpejt\u00eb t\u00eb nj\u00eb hash t\u00eb shkurt\u00ebr para se t\u00eb filloj\u00eb aplikimi i kurb\u00ebs eliptike. Para se t\u00eb gjendet hash i shkurt\u00ebr, operacionet e kryera varen drejtp\u00ebrdrejt nga fjal\u00ebkalimi dhe adresa MAC e klientit. Koha e ekzekutimit (q\u00eb korrelaton me numrin e iteracioneve) dhe vonesat midis operacioneve gjat\u00eb ekzekutimit t\u00eb iteracioneve paraprake mund t\u00eb maten dhe p\u00ebrdoren p\u00ebr t\u00eb p\u00ebrcaktuar karakteristikat e fjal\u00ebkalimit, t\u00eb cilat mund t\u00eb p\u00ebrdoren n\u00eb offline p\u00ebr t\u00eb sakt\u00ebsuar sakt\u00ebsin\u00eb e zgjedhjes s\u00eb pjes\u00ebve t\u00eb fjal\u00ebkalimit gjat\u00eb procesit t\u00eb gjetjes s\u00eb tij. P\u00ebr t\u00eb realizuar nj\u00eb sulm, \u00ebsht\u00eb e nevojshme t\u00eb ket\u00eb akses n\u00eb sistemin e p\u00ebrdoruesit q\u00eb lidhet me nj\u00eb rrjet pa tela. <\/p>\n

P\u00ebrve\u00e7 k\u00ebsaj, studiuesit identifikuan nj\u00eb vulnerabilitet tjet\u00ebr (CVE-2019-13456) t\u00eb lidhur me rrjedhjen e informacionit n\u00eb zbatimin e protokolit EAP-pwd<\/a><\/noindex>, duke p\u00ebrdorur algoritmin Dragonfly. Problemi \u00ebsht\u00eb specifik p\u00ebr serverin RADIUS FreeRADIUS dhe, n\u00eb baz\u00eb t\u00eb rrjedhjes s\u00eb t\u00eb dh\u00ebnave p\u00ebrmes kanaleve t\u00eb jashtme, po ashtu si vulnerabiliteti i par\u00eb, mund\u00ebson thjeshtimin e ndjesh\u00ebm t\u00eb gjetjes s\u00eb fjal\u00ebkalimit. <\/p>\n

N\u00eb kombinim me metod\u00ebn e p\u00ebrmir\u00ebsuar t\u00eb ndarjes s\u00eb zhurmave gjat\u00eb matjes s\u00eb vonesave, p\u00ebr t\u00eb p\u00ebrcaktuar numrin e iteracioneve, mjafton t\u00eb kryhen 75 matje p\u00ebr nj\u00eb adres\u00eb MAC. Kur p\u00ebrdoret GPU, kostot e burimeve p\u00ebr t\u00eb gjetur nj\u00eb fjal\u00ebkalim nga nj\u00eb fjalor vler\u00ebsohen n\u00eb $1. Metodat p\u00ebr rritjen e siguris\u00eb s\u00eb protokolleve q\u00eb lejojn\u00eb bllokimin e problemeve t\u00eb identifikuara tashm\u00eb jan\u00eb p\u00ebrfshir\u00eb n\u00eb skicat e standardeve t\u00eb ardhshme t\u00eb Wi-Fi (WPA 3.1<\/a><\/noindex>) dhe EAP-pwd<\/a><\/noindex>. Fatkeq\u00ebsisht, pa shkaktuar papajtueshm\u00ebri me versionet aktuale t\u00eb protokolleve, nuk \u00ebsht\u00eb e mundur t\u00eb eliminohen rrjedhjet p\u00ebrmes kanaleve alternative.<\/p>\n

<\/a><\/noindex><\/p>\n

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

\u041c\u044d\u0442\u0438 \u0412\u0430\u043d\u0445\u043e\u0444\u043e\u043c (Mathy Vanhoef) \u0438 \u042d\u044f\u043b\u044c \u0420\u043e\u043d\u0435\u043d (Eyal Ronen) \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 (CVE-2019-13377) \u043d\u0430 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0435 \u0441\u0435\u0442\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e \u0437\u0430\u0449\u0438\u0442\u044b WPA3, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430\u0445 \u043f\u0430\u0440\u043e\u043b\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0435\u0433\u043e \u043f\u043e\u0434\u0431\u043e\u0440\u0430 \u0432 offline-\u0440\u0435\u0436\u0438\u043c\u0435. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 Hostapd. \u041d\u0430\u043f\u043e\u043c\u043d\u0438\u043c, \u0447\u0442\u043e \u0432 \u0430\u043f\u0440\u0435\u043b\u0435 \u0442\u0435\u043c\u0438 \u0436\u0435 \u0430\u0432\u0442\u043e\u0440\u0430\u043c\u0438 \u0431\u044b\u043b\u0438 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0448\u0435\u0441\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 WPA3, […]<\/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-36788","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47C\u00ebshtje t\u00eb reja t\u00eb siguris\u00eb n\u00eb teknologjin\u00eb e mbrojtjes s\u00eb rrjeteve pa tel WPA3 dhe n\u00eb EAP-pwd | ProHoster","description":"Mathy Vanhoef dhe Eyal Ronen zbuluan nj\u00eb metod\u00eb t\u00eb re sulmi (CVE-2019-13377) ndaj rrjeteve wireless q\u00eb p\u00ebrdorin teknologjin\u00eb e mbrojtjes WPA3, q\u00eb lejon marrjen e informacionit mbi karakteristikat e fjal\u00ebkalimit q\u00eb mund t\u00eb p\u00ebrdoren p\u00ebr t\u00eb realizuar gjetjen e tij n\u00eb m\u00ebnyr\u00eb offline. Problemi shfaqet n\u00eb versionin aktual t\u00eb Hostapd. Kujtojm\u00eb se n\u00eb prill t\u00eb nj\u00ebjtit autor\u00eb zbuluan gjasht\u00eb vulnerabilitete n\u00eb WPA3,","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/novye-uyazvimosti-v-tehnologii-zashhity-besprovodnyh-setej-wpa3-i-v-eap-pwd","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041d\u043e\u0432\u044b\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 WPA3 \u0438 \u0432 EAP-pwd | ProHoster","og:description":"\u041c\u044d\u0442\u0438 \u0412\u0430\u043d\u0445\u043e\u0444\u043e\u043c (Mathy Vanhoef) \u0438 \u042d\u044f\u043b\u044c \u0420\u043e\u043d\u0435\u043d (Eyal Ronen) \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 (CVE-2019-13377) \u043d\u0430 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0435 \u0441\u0435\u0442\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044e \u0437\u0430\u0449\u0438\u0442\u044b WPA3, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e 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