{"id":88071,"date":"2020-07-12T01:43:42","date_gmt":"2020-07-11T23:43:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-tor-0-3-5-11-0-4-2-8-i-0-4-3-6-s-ustraneniem-dos-uyazvimosti"},"modified":"2020-07-12T01:43:42","modified_gmt":"2020-07-11T23:43:42","slug":"obnovlenie-tor-0-3-5-11-0-4-2-8-i-0-4-3-6-s-ustraneniem-dos-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/obnovlenie-tor-0-3-5-11-0-4-2-8-i-0-4-3-6-s-ustraneniem-dos-uyazvimosti","title":{"rendered":"Mise \u00e0 jour de Tor 0.3.5.11, 0.4.2.8 et 0.4.3.6 corrigeant une vuln\u00e9rabilit\u00e9 DoS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pr\u00e9sent\u00e9s<\/a><\/noindex> Mises \u00e0 jour correctives de l'outil Tor (0.3.5.11, 0.4.2.8, 0.4.3.6 et 4.4.2-alpha), utilis\u00e9 pour organiser le fonctionnement du r\u00e9seau anonyme Tor. Dans les nouvelles versions, le probl\u00e8me a \u00e9t\u00e9 r\u00e9solu CVE-2020-10174<\/a><\/noindex> (CVE-2020-15572), caus\u00e9e par un acc\u00e8s \u00e0 la m\u00e9moire en dehors des limites du tampon allou\u00e9. Cette vuln\u00e9rabilit\u00e9 permet \u00e0 un attaquant distant de provoquer le crash du processus tor. Le probl\u00e8me ne se manifeste que lors de la compilation avec la biblioth\u00e8que NSS (par d\u00e9faut, Tor est compil\u00e9 avec OpenSSL, et l'utilisation de NSS n\u00e9cessite de sp\u00e9cifier le drapeau «—enable-nss»).<\/p>\n

Suppl\u00e9mentaire pr\u00e9sent\u00e9<\/a><\/noindex> un plan de fin de support pour la seconde version du protocole des services onion (anciennement appel\u00e9s services cach\u00e9s). Il y a un an et demi, dans la version 0.3.2.9, les utilisateurs ont \u00e9t\u00e9 propos\u00e9e<\/a><\/noindex> la troisi\u00e8me version du protocole pour les services onion, notable pour sa transition vers des adresses de 56 caract\u00e8res, une protection plus fiable contre les fuites de donn\u00e9es via les serveurs de r\u00e9pertoire, une structure modulaire extensible et l'utilisation des algorithmes SHA3, ed25519 et curve25519 au lieu de SHA1, DH et RSA-1024. <\/p>\n

La deuxi\u00e8me version du protocole a \u00e9t\u00e9 d\u00e9velopp\u00e9e il y a environ 15 ans et, en raison de l'utilisation d'algorithmes obsol\u00e8tes dans les conditions modernes, ne peut plus \u00eatre consid\u00e9r\u00e9e comme s\u00fbre. \u00c9tant donn\u00e9 l'expiration du support des anciennes branches, \u00e0 l'heure actuelle, tout passerelle Tor actuelle supporte la troisi\u00e8me version du protocole, qui est propos\u00e9e par d\u00e9faut lors de la cr\u00e9ation de nouveaux services onion. <\/p>\n

Le 15 septembre 2020, Tor commencera \u00e0 avertir les op\u00e9rateurs et les clients de l'obsolescence de la deuxi\u00e8me version du protocole. Le 15 juillet 2021, le support de la deuxi\u00e8me version du protocole sera supprim\u00e9 de la base de code, et le 15 octobre 2021, une nouvelle version stable de Tor sera publi\u00e9e sans support pour l'ancien protocole. Ainsi, les propri\u00e9taires de anciens services onion disposent de 16 mois pour migrer vers la nouvelle version du protocole, qui n\u00e9cessite la g\u00e9n\u00e9ration d'un nouvel adresse 56 caract\u00e8res pour le service.<\/p>\n

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

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

\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Tor (0.3.5.11, 0.4.2.8, 0.4.3.6 \u0438 4.4.2-alpha), \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-15572), \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u0432\u043d\u0435 \u0433\u0440\u0430\u043d\u0438\u0446 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0440\u0430\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 tor. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 \u0441 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u043e\u0439 NSS (\u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e Tor \u0441\u043e\u0431\u0438\u0440\u0430\u0435\u0442\u0441\u044f \u0441 OpenSSL, \u0430 […]<\/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-88071","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\udd47Mise \u00e0 jour Tor 0.3.5.11, 0.4.2.8 et 0.4.3.6 corrigeant la vuln\u00e9rabilit\u00e9 DoS | ProHoster","description":"Des mises \u00e0 jour correctives de l'outil Tor (0.3.5.11, 0.4.2.8, 0.4.3.6 et 4.4.2-alpha), utilis\u00e9 pour 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