{"id":105381,"date":"2022-10-25T21:36:42","date_gmt":"2022-10-25T19:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-samba-privodyashhie-k-perepolneniyu-bufera-i-vyhodu-za-graniczu-bazovogo-kataloga"},"modified":"2022-10-25T21:36:42","modified_gmt":"2022-10-25T19:36:42","slug":"uyazvimosti-v-samba-privodyashhie-k-perepolneniyu-bufera-i-vyhodu-za-graniczu-bazovogo-kataloga","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/uyazvimosti-v-samba-privodyashhie-k-perepolneniyu-bufera-i-vyhodu-za-graniczu-bazovogo-kataloga","title":{"rendered":"S\u00e5rbarheter i Samba som leder till buffert\u00f6verskridning och \u00f6verskridande av bas katalogen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>R\u00e4tta utg\u00e5vor av Samba-paketen 4.17.2, 4.16.6 och 4.15.11 har publicerats f\u00f6r att \u00e5tg\u00e4rda tv\u00e5 s\u00e5rbarheter. Publiceringen av uppdateringar i distributioner kan f\u00f6ljas p\u00e5 sidorna: Debian, Ubuntu, Gentoo, RHEL, SUSE, Arch, FreeBSD.    <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-3437 &#8212; buffer overflow in the functions unwrap_des() and unwrap_des3(), provided in the GSSAPI library from the Heimdal package (included with Samba since version 4.0). Exploitation of the vulnerability is possible through sending a specially crafted packet to systems using GSSAPI. For example, the issue manifests in the implementation of the client and file <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/dts-los-angeles\/\"   title=\"servern\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3866\">servern<\/a> based on the SMB1 protocol, when using DCE\/RPC and in the Active Directory domain controller. Systems built with MIT Kerberos (&#8212;with-system-mitkrb5) instead of Heimdal are not affected by the issue.\n<li class=\"l\"> CVE-2022-3592 &#8212; the possibility of going beyond the boundaries of the exported directory and accessing any file in <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/dts-newyork\/\"   title=\"servern\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2728\">servern<\/a> genom manipulering av symboliska l\u00e4nkar. Problemet uppst\u00e5r endast i Samba-version 4.17 och orsakas av ett fel i den nya koden f\u00f6r att hantera symboliska l\u00e4nkar i anv\u00e4ndarrummet (d\u00e4r den n\u00f6dv\u00e4ndiga kontrollen f\u00f6r att se om m\u00e5lkatalogen f\u00f6r l\u00e4nken ligger utanf\u00f6r den exporterade katalogen saknades). S\u00e5rbarheten kan utnyttjas av en klient med skrivr\u00e4ttigheter i den exporterade partitionen som tillhandah\u00e5lls via SMB1- eller NFS-protokoll som till\u00e5ter skapande av symboliska l\u00e4nkar.    <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57978\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\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 4.17.2, 4.16.6 \u0438 4.15.11 \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. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0441\u043b\u0435\u0434\u0438\u0442\u044c \u043d\u0430 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430\u0445: Debian, Ubuntu, Gentoo, RHEL, SUSE, Arch, FreeBSD. CVE-2022-3437 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 unwrap_des() \u0438 unwrap_des3(), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 GSSAPI \u0438\u0437 \u043f\u0430\u043a\u0435\u0442\u0430 Heimdal (\u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 Samba, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 4.0). \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 [&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-105381","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\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 4.17.2, 4.16.6 \u0438 4.15.11 \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.\" \/>\n\t<meta name=\"robots\" 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