{"id":53579,"date":"2019-12-05T00:00:00","date_gmt":"2019-12-04T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/ataka-na-hackerone-pozvolivshaya-poluchit-dostup-k-zakrytym-otchyotam-ob-uyazvimostyah"},"modified":"2021-01-02T13:04:14","modified_gmt":"2021-01-02T11:04:14","slug":"ataka-na-hackerone-pozvolivshaya-poluchit-dostup-k-zakrytym-otchyotam-ob-uyazvimostyah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/ataka-na-hackerone-pozvolivshaya-poluchit-dostup-k-zakrytym-otchyotam-ob-uyazvimostyah","title":{"rendered":"Napad na HackerOne koji je omogu\u0107io pristup zatvorenim izvje\u0161tajima o ranjivostima","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Platforma HackerOne, koja omogu\u0107ava istra\u017eiteljima sigurnosti da obavijeste programere o otkrivenim ranjivostima i za to dobiju nagrade, primila je izvje\u0161taj<\/a><\/noindex> o vlastitom hakiranju. Jedan od istra\u017eitelja uspio je dobiti pristup ra\u010dunu analiti\u010dara za sigurnost kompanije HackerOne, koji ima mogu\u0107nost pregleda zatvorenih materijala, uklju\u010duju\u0107i informacije o jo\u0161 uvijek neotklonjenim ranjivostima. Od osnivanja platforme, istra\u017eiteljima je kroz HackerOne ukupno ispla\u0107eno 23 miliona dolara za otkrivanje ranjivosti u proizvodima vi\u0161e od 100 klijenata, me\u0111u kojima su Twitter, Facebook, Google, Apple, Microsoft, Slack, Pentagon i ameri\u010dka mornarica.<\/p>\n

Zanimljivo je da je do preuzimanja ra\u010duna do\u0161lo zbog ljudskog faktora. Jedan od istra\u017eitelja poslao je na razmatranje prijavu o potencijalnoj ranjivosti u HackerOne. Analiti\u010dar HackerOne tokom pregleda prijave poku\u0161ao je ponoviti predlo\u017eeni hakerski metod, ali nije uspio reproducirati problem, te je autoru prijave poslan odgovor s zahtjevom za dodatnim informacijama. Pri tome analiti\u010dar nije primijetio da je zajedno s rezultatima neuspje\u0161ne provjere nepa\u017enjom poslao sadr\u017eaj svoje sesijske kola\u010di\u0107e. Konkretno, tokom dijaloga analiti\u010dar je naveo primjer HTTP zahtjeva izvedenog alatom curl, uklju\u010duju\u0107i HTTP zaglavlja, iz kojih je zaboravio o\u010distiti sadr\u017eaj sesijske kola\u010di\u0107e.<\/p>\n

Istra\u017eitelj je primijetio ovu gre\u0161ku i uspio je dobiti pristup privilegiranom ra\u010dunu na web stranici hackerone.com, jednostavno zamjenjuju\u0107i primje\u0107enu vrijednost kola\u010di\u0107a bez potrebe za prolaskom vi\u0161e faktorske autentifikacije koja se koristi u servisu. Napad je bio mogu\u0107 zato \u0161to se na hackerone.com nije primjenjivala veza sesije s IP-om ili preglednikom korisnika. Problemati\u010dni sesijski identifikator uklonjen je dva sata nakon objave izvje\u0161taja o curenju. Za obavje\u0161tavanje o problemu odlu\u010deno je isplatiti istra\u017eitelju 20 hiljada dolara.<\/p>\n

HackerOne je pokrenuo reviziju kako bi analizirao mogu\u0107nost pojave sli\u010dnih curenja kola\u010di\u0107a u pro\u0161losti i procijenio potencijalna curenja povjerljivih informacija o problemima klijenata usluge. Revizija nije otkrila nikakva curenja u pro\u0161losti te je utvrdila da je istra\u017eiva\u010d koji je pokazao problem mogao do\u0107i do informacija o otprilike 5% od svih programa predstavljenih u usluzi, kojima je imao pristup analiti\u010dar \u010diji je sesijski klju\u010d kori\u0161ten.<\/p>\n

Kako bi se za\u0161titili od sli\u010dnih napada u budu\u0107nosti, implementirana je zaka\u010denost sesijskog klju\u010da na IP-adresu<\/a> te filtriranje sesijskih klju\u010deva i autentifikacijskih tokena u komentarima. U budu\u0107nosti planiraju zamijeniti vezivanje za IP adresu s vezivanjem za ure\u0111aje korisnika, budu\u0107i da je vezivanje na IP neuredno za korisnike s dinami\u010dki dodijeljenim adresama. Tako\u0111er, odlu\u010deno je pro\u0161iriti sustav logova s informacijama o pristupu korisnika podacima i implementirati model granularnog pristupa analiti\u010dara tim podacima.<\/p>\n

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

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

\u041f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 HackerOne, \u0434\u0430\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0438 \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c \u0437\u0430 \u044d\u0442\u043e \u0432\u043e\u0437\u043d\u0430\u0433\u0440\u0430\u0436\u0434\u0435\u043d\u0438\u044f, \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u043e\u0442\u0447\u0451\u0442 \u043e \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u043c \u0432\u0437\u043b\u043e\u043c\u0435. \u041e\u0434\u043d\u043e\u043c\u0443 \u0438\u0437 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0443\u0447\u0451\u0442\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0430\u043d\u0430\u043b\u0438\u0442\u0438\u043a\u0430 \u043f\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 HackerOne, \u0438\u043c\u0435\u044e\u0449\u0435\u0433\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 \u0437\u0430\u043a\u0440\u044b\u0442\u044b\u0445 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0441\u043e \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f\u043c\u0438 \u043e\u0431 \u0435\u0449\u0451 \u043d\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0451\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445. \u0417\u0430 \u0432\u0440\u0435\u043c\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0447\u0435\u0440\u0435\u0437 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53579","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Napad na HackerOne, koji je omogu\u0107io pristup povjerljivim 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