Dezvoltatorii platformei de comunica\u021bii descentralizate Matrix au avertizat cu privire la identificarea unor vulnerabilit\u0103\u021bi critice \u00een bibliotecile matrix-js-sdk, matrix-ios-sdk \u0219i matrix-android-sdk2, care permit administratorilor de servere s\u0103 se pretind\u0103 a fi al\u021bi utilizatori \u0219i s\u0103 citeasc\u0103 mesajele din conversa\u021biile cu criptare end-to-end (E2EE). Vulnerabilit\u0103\u021bile sunt cauzate de erori \u00een implement\u0103rile individuale ale protocolului Matrix \u0219i nu reprezint\u0103 probleme ale protocolului \u00een sine. \u00cen prezent, proiectul a lansat actualiz\u0103ri pentru SDK-urile afectate \u0219i pentru o parte din aplica\u021biile client construite pe baza acestora. <\/p>\n
Pentru a realiza cu succes un atac, este necesar\u0103 o conexiune la serverul de acas\u0103 controlat de atacator server<\/a> (homeserver \u2014 server pentru stocarea istoricului \u0219i conturilor clien\u021bilor). Aplicarea cript\u0103rii de la o margine la alta pe partea clientului nu permite administratorului server<\/a> s\u0103 intervin\u0103 \u00een schimbul de mesaje, dar vulnerabilit\u0103\u021bile constatate ofer\u0103 posibilitatea de a ocoli aceast\u0103 protec\u021bie. Problemele afecteaz\u0103 clientul principal Matrix, Element (fost Riot), pentru web, sisteme desktop, iOS \u0219i Android, precum \u0219i aplica\u021biile client ter\u021be, inclusiv Cinny, Beeper, SchildiChat, Circuli \u0219i Synod.im. Vulnerabilit\u0103\u021bile nu se manifest\u0103 \u00een bibliotecile matrix-rust-sdk, hydrogen-sdk, Matrix Dart SDK, mautrix-python, mautrix-go \u0219i matrix-nio, precum \u0219i \u00een aplica\u021biile Hydrogen, ElementX, Nheko, FluffyChat, Syphon, Timmy, Gomuks \u0219i Pantalaimon. <\/p>\n Se eviden\u021biaz\u0103 trei scenarii principale de atac: <\/p>\n Cercet\u0103torii care au descoperit vulnerabilitatea au demonstrat, de asemenea, atacuri care duc la ad\u0103ugarea unui utilizator extern \u00een chat sau la ata\u0219area unui dispozitiv str\u0103in de utilizator. Atacurile se bazeaz\u0103 pe faptul c\u0103 mesajele de serviciu folosite pentru a ad\u0103uga utilizatori \u00een chat nu sunt legate de cheile creatorului chat-ului \u0219i pot fi generate de administratorul serverului. Dezvoltatorii din proiectul Matrix au clasificat aceste vulnerabilit\u0103\u021bi ca fiind minore, deoarece astfel de manipul\u0103ri nu vor r\u0103m\u00e2ne neobservate \u2014 \u00een cazul \u00een care un utilizator fals este substituit, acesta se va afi\u0219a \u00een lista de utilizatori ai chat-ului, iar la ad\u0103ugarea unui dispozitiv va fi emis un avertisment, iar dispozitivul va fi marcat ca neverificat (\u00een acela\u0219i timp, imediat dup\u0103 ad\u0103ugarea dispozitivului fals, vor \u00eencepe s\u0103 fie transmise cheile comune necesare pentru decriptarea mesajelor). \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u0439 Matrix \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0438 \u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0445 matrix-js-sdk, matrix-ios-sdk \u0438 matrix-android-sdk2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0432\u044b\u0434\u0430\u0432\u0430\u0442\u044c \u0441\u0435\u0431\u044f \u0437\u0430 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438 \u0447\u0438\u0442\u0430\u0442\u044c \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0432 \u0447\u0430\u0442\u0430\u0445 \u0441\u043e \u0441\u043a\u0432\u043e\u0437\u043d\u044b\u043c \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c (E2EE). \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u044b\u0437\u0432\u0430\u043d\u044b \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Matrix \u0438 \u043d\u0435 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c\u0438 \u0441\u0430\u043c\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f, \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u0445 SDK […]<\/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-105214","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\udd47Vulnerabilit\u0103\u021bi critice, care compromit criptarea de la un cap\u0103t la altul \u00een multe clien\u021bi Matrix | ProHoster","description":"Dezvoltatorii platformei de comunica\u021bii descentralizate Matrix au avertizat asupra identific\u0103rii unor vulnerabilit\u0103\u021bi critice \u00een bibliotecile matrix-js-sdk, matrix-ios-sdk \u0219i matrix-android-sdk2, care permit administratorilor 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Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"