{"id":99965,"date":"2021-04-19T10:22:35","date_gmt":"2021-04-19T08:22:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-8-6-s-ustraneniem-uyazvimosti"},"modified":"2021-04-19T10:22:35","modified_gmt":"2021-04-19T08:22:35","slug":"reliz-openssh-8-6-s-ustraneniem-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/en\/blog\/news\/reliz-openssh-8-6-s-ustraneniem-uyazvimosti","title":{"rendered":"Release of OpenSSH 8.6 addressing vulnerabilities","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>The release of OpenSSH 8.6 has been published, an open implementation of the client and server for working with SSH 2.0 and SFTP protocols. The new version fixes a vulnerability in the implementation of the LogVerbose directive that appeared in the previous release, allowing for an increase in the level of debugging information logged, including the ability to filter by patterns, functions, and files associated with code executed with dropped privileges in the sshd process, isolated in a sandbox environment.      <\/p>\n<p>An attacker who gains control over an unprivileged process through some yet unknown vulnerability can exploit the LogVerbose issue to bypass the sandbox isolation and attack a process running with elevated privileges. The practical application of the LogVerbose vulnerability is assessed as unlikely, since the LogVerbose setting is disabled by default and is typically used only during debugging. Additionally, the attacker would need to find a new vulnerability in the unprivileged process.    <\/p>\n<p>Changes in OpenSSH 8.6 unrelated to the vulnerability:  <\/p>\n<ul>\n<li class=\"l\"> In sftp and sftp-server, a new protocol extension 'limits@openssh.com' has been implemented, allowing the SFTP client to obtain information about the installed on <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/en\/server\/dts-dronten\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2624\">server<\/a> A new configuration option ModuliFile has been added to sshd_config for sshd, allowing the specification of the path to the 'moduli' file containing groups for DH-GEX.\n<li class=\"l\"> In sshd_config for sshd, the ModuliFile setting has been added, allowing you to specify the path to the 'moduli' file, which contains groups for DH-GEX.\n<li class=\"l\"> The password prompt interface for GNOME has been split into two variants, one for GNOME2 and another for GNOME3 (contrib\/gnome-ssk-askpass3.c). The version for GNOME3 improves compatibility with Wayland by using the gdk_seat_grab() call to manage keyboard and mouse grabbing.\n<li class=\"l\"> A soft-disallow for the fstatat64 system call has been added to the seccomp-bpf based sandbox used in Linux.\n<li class=\"l\"> Jonathan Carter has been re-elected as the leader of the Debian project.    <\/ul>\n<p>Source: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54986\">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 \u0440\u0435\u043b\u0438\u0437 OpenSSH 8.6, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c SSH 2.0 \u0438 SFTP. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u044b LogVerbose, \u043f\u043e\u044f\u0432\u0438\u0432\u0448\u0435\u0439\u0441\u044f \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0435\u043c\u043e\u0439 \u0432 \u043b\u043e\u0433 \u043e\u0442\u043b\u0430\u0434\u043e\u0447\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u043f\u043e \u0448\u0430\u0431\u043b\u043e\u043d\u0430\u043c, \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c \u0438 \u0444\u0430\u0439\u043b\u0430\u043c, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u043c \u0441 \u043a\u043e\u0434\u043e\u043c, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u043c \u0441\u043e [&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-99965","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 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