{"id":99573,"date":"2021-03-25T16:22:53","date_gmt":"2021-03-25T14:22:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-samba-4-14-2-4-13-7-i-4-12-14-s-ustraneniem-uyazvimostej"},"modified":"2021-03-25T16:22:53","modified_gmt":"2021-03-25T14:22:53","slug":"obnovlenie-samba-4-14-2-4-13-7-i-4-12-14-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/obnovlenie-samba-4-14-2-4-13-7-i-4-12-14-s-ustraneniem-uyazvimostej","title":{"rendered":"Actualizarea Samba 4.14.2, 4.13.7 \u0219i 4.12.14 cu remedieri pentru vulnerabilit\u0103\u021bi.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost preg\u0103tite versiunile corective ale pachetului Samba 4.14.2, 4.13.7 \u0219i 4.12.14, \u00een care au fost eliminate dou\u0103 vulnerabilit\u0103\u021bi:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2020-27840 \u2014 o dep\u0103\u0219ire a bufferului care apare \u00een procesarea numelui DN (Distinguished Name) special format. Un atacator anonim poate provoca pr\u0103bu\u0219irea serverului AD DC LDAP bazat pe Samba prin trimiterea unei cereri de tip bind special concepute. Deoarece \u00een timpul atacului exist\u0103 posibilitatea de a controla domeniul de rescriere, nu sunt excluse consecin\u021be mai grave, cum ar fi execu\u021bia de cod propriu pe <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-dronten\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2615\">server<\/a>, dar nu exist\u0103 un exploit func\u021bional deocamdat\u0103. Deoarece codul care conduce la vulnerabilitate, care analizeaz\u0103 \u0219irul DN, este executat \u00eenainte de verificarea parametrilor de autentificare, problema poate fi exploatat\u0103 de un atacator care nu are un cont pe <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2661\">server<\/a>.\n<li class=\"l\"> CVE-2021-20277 \u2014 citirea dintr-o zon\u0103 \u00een afara limitelor bufferului \u00een procesarea de c\u0103tre serverul AD DC LDAP a unui filtrul special conceput de utilizator. Problema poate duce la pr\u0103bu\u0219irea handler-ului serverului sau la scurgeri de con\u021binut din memoria procesului.      <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54827\">opennet.ro<\/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 4.14.2, 4.13.7 \u0438 4.12.14, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2020-27840 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430, \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0449\u0435\u0435 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u043c\u0451\u043d DN (Distinguished Name). \u0410\u043d\u043e\u043d\u0438\u043c\u043d\u044b\u0439 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043a\u0440\u0430\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 AD DC LDAP \u043d\u0430 \u0431\u0430\u0437\u0435 Samba \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e bind-\u0437\u0430\u043f\u0440\u043e\u0441\u0430. \u0422\u0430\u043a \u043a\u0430\u043a \u0432 \u0445\u043e\u0434\u0435 \u0430\u0442\u0430\u043a\u0438 \u0438\u043c\u0435\u0435\u0442\u0441\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u0431\u043b\u0430\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0438, \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-99573","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 - 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dep\u0103\u0219irea buffer-ului, care apare \u00een timpul proces\u0103rii celor special formate.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/obnovlenie-samba-4-14-2-4-13-7-i-4-12-14-s-ustraneniem-uyazvimostej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Samba 4.14.2, 4.13.7 \u0438 4.12.14 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | ProHoster","og:description":"\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 4.14.2, 4.13.7 \u0438 4.12.14, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2020-27840 - 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