{"id":101089,"date":"2021-08-25T22:22:48","date_gmt":"2021-08-25T20:22:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-openssl-1-1-1l-s-ustraneniem-dvuh-uyazvimostej"},"modified":"2021-08-25T22:22:48","modified_gmt":"2021-08-25T20:22:48","slug":"obnovlenie-openssl-1-1-1l-s-ustraneniem-dvuh-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/obnovlenie-openssl-1-1-1l-s-ustraneniem-dvuh-uyazvimostej","title":{"rendered":"Mise \u00e0 jour d'OpenSSL 1.1.1l corrigeant deux vuln\u00e9rabilit\u00e9s.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Une mise \u00e0 jour corrective de la biblioth\u00e8que cryptographique OpenSSL 1.1.1l est disponible, corrigeant deux vuln\u00e9rabilit\u00e9s\u00a0:   <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-3711 \u2014 d\u00e9bordement de tampon dans le code d'impl\u00e9mentation de l'algorithme cryptographique SM2 (r\u00e9pandu en Chine), permettant en raison d'une erreur dans le calcul de la taille du tampon d'\u00e9craser jusqu'\u00e0 62 octets dans la zone en dehors du tampon. Un attaquant peut potentiellement ex\u00e9cuter son code ou provoquer un crash de l'application en transmettant des donn\u00e9es sp\u00e9cialement format\u00e9es pour le d\u00e9codage dans des applications utilisant la fonction EVP_PKEY_decrypt() pour d\u00e9chiffrer les donn\u00e9es SM2.\n<li class=\"l\"> CVE-2021-3712 \u2014 d\u00e9bordement de tampon dans le code de traitement des cha\u00eenes ASN.1, permettant de provoquer un crash de l'application ou de d\u00e9couvrir le contenu de la m\u00e9moire du processus (par exemple, pour r\u00e9v\u00e9ler les cl\u00e9s stock\u00e9es en m\u00e9moire), si l'attaquant parvient d'une mani\u00e8re ou d'une autre \u00e0 cr\u00e9er une cha\u00eene dans la structure interne ASN1_STRING, ne se terminant pas par un caract\u00e8re nul, et \u00e0 la traiter dans des fonctions OpenSSL qui g\u00e9n\u00e8rent des sorties de certificats, telles que X509_aux_print(), X509_get1_email(), X509_REQ_get1_email() et X509_get1_ocsp().      <\/ul>\n<p>De nouvelles versions des biblioth\u00e8ques LibreSSL 3.3.4 et 3.2.6 ont \u00e9t\u00e9 publi\u00e9es simultan\u00e9ment, sans mentionner explicitement de vuln\u00e9rabilit\u00e9s, mais selon la liste des changements, la vuln\u00e9rabilit\u00e9 CVE-2021-3712 a \u00e9t\u00e9 corrig\u00e9e.<br \/>\n<br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55683\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenSSL 1.1.1l \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0434\u0432\u0443\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2021-3711 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u0435 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 SM2 (\u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0451\u043d \u0432 \u041a\u0438\u0442\u0430\u0435), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0435 \u0438\u0437-\u0437\u0430 \u043e\u0448\u0438\u0431\u043a\u0438 \u0432 \u0440\u0430\u0441\u0447\u0451\u0442\u0435 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0431\u0443\u0444\u0435\u0440\u0430 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0434\u043e 62 \u0431\u0430\u0439\u0442 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0435\u0439 \u0431\u0443\u0444\u0435\u0440\u0430. \u0410\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0438\u043b\u0438 \u043a\u0440\u0430\u0445\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 [&hellip;]<\/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-101089","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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