{"id":119872,"date":"2024-09-19T21:43:01","date_gmt":"2024-09-19T19:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-ruby-saml-pozvolyayushhaya-obojti-autentifikacziyu-v-gitlab"},"modified":"2024-09-19T21:43:01","modified_gmt":"2024-09-19T19:43:01","slug":"uyazvimost-v-ruby-saml-pozvolyayushhaya-obojti-autentifikacziyu-v-gitlab","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/uyazvimost-v-ruby-saml-pozvolyayushhaya-obojti-autentifikacziyu-v-gitlab","title":{"rendered":"Ranljivost u Ruby-SAML koja omogu\u0107ava zaobila\u017eenje autentifikacije u GitLab-u","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Objavljene so korektivne posodobitve platforme za sodelovanje GitLab \u2014 17.3.3, 17.2.6 in 17.1.8, ki odpravlja kriti\u010dno ranljivost, ki omogo\u010da obhod avtentikacije na osnovi SAML (Security Assertion Markup Language). Te\u017eavo povzro\u010da ranljivost (CVE-2024-45409) v Ruby knji\u017enicah ruby-saml in omniauth-saml, ki izvajata odjemalski del SAML avtentikacije. Ranljivost je bila ocenjena z maximalno stopnjo nevarnosti 10 od 10. Te\u017eava je bila odpravljena v posodobitvah paketov ruby-saml (1.17.0 in 1.12.3) ter omniauth-saml (2.2.0). <\/p>\n

Ranjivost je uzrokovana pogre\u0161nim rukovanjem XPath selektorom, \u0161to dovodi do neta\u010dne provere potpisa u XML formatu prilikom analize odgovora sa SAML servera. Neautentifikovani napada\u010d koji ima pristup bilo kojem potpisanom SAML dokumentu mo\u017ee da falsifikuje bilo koji SAML odgovor za proizvoljan sadr\u017eaj koriste\u0107i tipi\u010dnu XSW (XML Signature Wrapping) napad. <\/p>\n

Su\u0161tina napada je uzeti pravilno potpisanu poruku i dodati u povezani XML dokument dodatnu la\u017enu poruku, koriste\u0107i u njoj isti identifikator kao i u prvoj poruci (ovaj identifikator \u0107e biti verifikovan prilikom analize prve poruke i zbog gre\u0161ke \u0107e biti prihva\u0107en kao verifikovan i za drugu poruku). U kontekstu servisa koji koriste SAML za autentifikaciju, ranjivost omogu\u0107ava pristup sistemu kao bilo koji korisnik.
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 GitLab — 17.3.3, 17.2.6 \u0438 17.1.8, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043e\u0431\u043e\u0439\u0442\u0438 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e \u043d\u0430 \u0431\u0430\u0437\u0435 SAML (Security Assertion Markup Language). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c\u044e (CVE-2024-45409) \u0432 Ruby-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0445 ruby-saml \u0438 omniauth-saml, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u044e\u0449\u0438\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0443\u044e \u0447\u0430\u0441\u0442\u044c SAML-\u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u0438. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 10 \u0438\u0437 10. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 […]<\/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-119872","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\udd47Ranjivost u Ruby-SAML koja omogu\u0107ava zaobila\u017eenje autentifikacije u GitLab | ProHoster","description":"Bila je objavljena ispravka platforme za zajedni\u010dki rad GitLab - 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