{"id":37770,"date":"2019-10-31T22:19:37","date_gmt":"2019-10-31T19:19:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obnovlenie-samba-4-10-8-i-4-9-13-s-ustraneniem-uyazvimosti\/"},"modified":"2019-10-31T22:19:37","modified_gmt":"2019-10-31T19:19:37","slug":"obnovlenie-samba-4-10-8-i-4-9-13-s-ustraneniem-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/obnovlenie-samba-4-10-8-i-4-9-13-s-ustraneniem-uyazvimosti","title":{"rendered":"Mise \u00e0 jour de Samba 4.10.8 et 4.9.13 pour corriger une vuln\u00e9rabilit\u00e9.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/samba-announce@lists.samba.org\/msg00479.html\">Pr\u00e9par\u00e9<\/a><\/noindex> Des versions correctives du paquet Samba 4.10.8 et 4.9.13 ont \u00e9t\u00e9 publi\u00e9es, dans lesquelles est r\u00e9solu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.samba.org\/samba\/security\/CVE-2019-10197.html\">CVE-2020-10174<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2019-10197\">CVE-2019-10197<\/a><\/noindex>), permettant \u00e0 l'utilisateur d'acc\u00e9der au r\u00e9pertoire racine o\u00f9 est h\u00e9berg\u00e9e le partage Samba. Le probl\u00e8me se manifeste lorsque l'option 'wide links = yes' est sp\u00e9cifi\u00e9e dans les param\u00e8tres en combinaison avec 'unix extensions = no' ou 'allow insecure wide links = yes'. L'acc\u00e8s aux fichiers en dehors du r\u00e9pertoire partag\u00e9 actuel est limit\u00e9 par les droits d'acc\u00e8s de l'utilisateur, c'est-\u00e0-dire qu'un attaquant peut lire et \u00e9crire des fichiers en fonction de son uid\/gid.<\/p>\n<p>Le probl\u00e8me est caus\u00e9 par le fait qu'apr\u00e8s la premi\u00e8re requ\u00eate du r\u00e9pertoire racine du partage, le client re\u00e7oit une erreur d'acc\u00e8s, mais smbd met en cache l'acc\u00e8s au r\u00e9pertoire et ne purge pas le cache en cas de probl\u00e8me d'acc\u00e8s. En cons\u00e9quence, apr\u00e8s l'envoi d'une nouvelle requ\u00eate SMB, celle-ci est trait\u00e9e avec succ\u00e8s sur la base de l'enregistrement dans le cache sans nouvelles v\u00e9rifications des droits.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51412\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0434\u0433\u043e\u0442\u043e\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 \u043f\u0430\u043a\u0435\u0442\u0430 Samba 4.10.8 \u0438 4.9.13, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2019-10197), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u043c\u0443 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0443, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0440\u0430\u0437\u0434\u0435\u043b Samba. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0438 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 \u043e\u043f\u0446\u0438\u0438 &#8216;wide links = yes&#8217; \u0432 \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0438 \u0441 &#8216;unix extensions = no&#8217; \u0438\u043b\u0438 &#8216;allow insecure wide links = yes&#8217;. \u0414\u043e\u0441\u0442\u0443\u043f \u043a \u0444\u0430\u0439\u043b\u0430\u043c \u0432\u043d\u0435 [&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-37770","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0434\u0433\u043e\u0442\u043e\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 \u043f\u0430\u043a\u0435\u0442\u0430 Samba 4.10.8 \u0438 4.9.13, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430.\" 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