{"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\/ro\/blog\/news\/ataka-na-hackerone-pozvolivshaya-poluchit-dostup-k-zakrytym-otchyotam-ob-uyazvimostyah","title":{"rendered":"Atacul asupra HackerOne, care a permis accesul la rapoartele \u00eenchise despre vulnerabilit\u0103\u021bi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Platforma HackerOne, care permite cercet\u0103torilor \u00een securitate s\u0103 informeze dezvoltatorii despre identificarea vulnerabilit\u0103\u021bilor \u0219i s\u0103 primeasc\u0103 recompense pentru aceasta, a primit raport<\/a><\/noindex> referitor la propria sa bre\u0219\u0103 de securitate. Unul dintre cercet\u0103tori a reu\u0219it s\u0103 acceseze contul unui analist de securitate de la HackerOne, care avea capacitatea de a vizualiza materialele \u00eenchise, inclusiv informa\u021bii despre vulnerabilit\u0103\u021bile care nu au fost \u00eenc\u0103 remediiate. De-a lungul existen\u021bei platformei, cercet\u0103torilor le-au fost pl\u0103tite \u00een total 23 milioane de dolari pentru identificarea vulnerabilit\u0103\u021bilor \u00een produsele a peste 100 de clien\u021bi, printre care Twitter, Facebook, Google, Apple, Microsoft, Slack, Pentagonul \u0219i Marina SUA.<\/p>\n

Este remarcabil c\u0103 capturarea contului a fost posibil\u0103 din cauza factorului uman. Unul dintre cercet\u0103tori a trimis o solicitare de evaluare a unei posibile vulnerabilit\u0103\u021bi \u00een HackerOne. Analistul HackerOne, \u00een timpul examin\u0103rii solicit\u0103rii, a \u00eencercat s\u0103 reproduc\u0103 metoda propus\u0103 de atac, dar nu a reu\u0219it s\u0103 refluxeze problema, iar autorului solicit\u0103rii i s-a trimis un r\u0103spuns cu o cerere de detalii suplimentare. \u00centre timp, analistul nu a observat c\u0103, \u00eempreun\u0103 cu rezultatele verific\u0103rii nereu\u0219ite, din neaten\u021bie a trimis con\u021binutul cookie-ului s\u0103u de sesiune. \u00cen special, \u00een timpul dialogului, analistul a oferit un exemplu de cerere HTTP efectuat\u0103 cu utilitarul curl, care includea antete HTTP, din care a uitat s\u0103 cure\u021be con\u021binutul cookie-ului de sesiune.<\/p>\n

Cercet\u0103torul a observat aceast\u0103 gre\u0219eal\u0103 \u0219i a reu\u0219it s\u0103 acceseze un cont privilegiat pe site-ul hackerone.com, pur \u0219i simplu substituind valoarea cookie-ului observate, f\u0103r\u0103 a fi nevoie s\u0103 treac\u0103 prin autentificarea multifactorial\u0103 aplicat\u0103 de serviciu. Atacul a fost posibil, deoarece pe hackerone.com nu se aplica legarea sesiunii la IP sau browserul utilizatorului. Identificatorul de sesiune problematic a fost \u0219ters la dou\u0103 ore dup\u0103 publicarea raportului de scurgere. Pentru informarea despre problem\u0103, s-a decis s\u0103 i se pl\u0103teasc\u0103 cercet\u0103torului suma de 20.000 de dolari.<\/p>\n

HackerOne a ini\u021biat un audit pentru a analiza posibilele scurgeri de Cookie \u00een trecut \u0219i pentru a evalua poten\u021bialele scurgeri de informa\u021bii confiden\u021biale despre problemele clien\u021bilor serviciului. Auditul nu a identificat fapte de \u00eenc\u0103lcare a datelor \u00een trecut \u0219i a stabilit c\u0103 cercet\u0103torul care a demonstrat problema ar fi putut ob\u021bine informa\u021bii din aproximativ 5% dintre toate programele prezentate \u00een serviciu, la care analistul a avut acces, folosind cheia de sesiune.<\/p>\n

Pentru a preveni atacurile similare \u00een viitor, s-a implementat legarea cheii de sesiune la adresa IP<\/a> \u0219i filtrarea cheilor de sesiune \u0219i a token-urilor de autentificare din comentarii. \u00cen viitor, se planific\u0103 \u00eenlocuirea leg\u0103rii la IP cu legarea la dispozitivele utilizatorului, deoarece legarea la IP este incomod\u0103 pentru utilizatorii cu adrese dinamic atribuite. De asemenea, s-a decis extinderea sistemului de logare cu informa\u021bii despre accesul utilizatorilor la date \u0219i implementarea unui model de acces granulat pentru analistii la datele clien\u021bilor.<\/p>\n

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

Sursa: opennet.ro<\/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\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\udd47Atac asupra HackerOne, care a permis accesul la rapoarte 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