{"id":111085,"date":"2023-10-25T09:10:21","date_gmt":"2023-10-25T07:10:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-9-i-xwayland-23-2-2-s-ustraneniem-uyazvimostej"},"modified":"2023-10-25T09:10:21","modified_gmt":"2023-10-25T07:10:21","slug":"obnovlenie-x-org-server-21-1-9-i-xwayland-23-2-2-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-x-org-server-21-1-9-i-xwayland-23-2-2-s-ustraneniem-uyazvimostej","title":{"rendered":"A X.Org Server 21.1.9 \u00e9s xwayland 23.2.2 friss\u00edt\u00e9se a biztons\u00e1gi hi\u00e1nyoss\u00e1gok megsz\u00fcntet\u00e9s\u00e9vel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelentek a X.Org Server 21.1.9 \u00e9s a DDX komponens (Device-Dependent X) xwayland 22.2.2 jav\u00edt\u00f3 kiad\u00e1sai, amelyek lehet\u0151v\u00e9 teszik a X.Org Server ind\u00edt\u00e1s\u00e1t az X11 alkalmaz\u00e1sok Wayland-alap\u00fa k\u00f6rnyezetekben val\u00f3 futtat\u00e1s\u00e1hoz. Az \u00faj verzi\u00f3kban olyan biztons\u00e1gi hi\u00e1nyoss\u00e1gok ker\u00fcltek megsz\u00fcntet\u00e9sre, amelyeket potenci\u00e1lisan lehetne kihaszn\u00e1lni a privilegiz\u00e1l\u00e1s emel\u00e9s\u00e9re olyan rendszerekben, ahol a X-server root jogokkal fut, valamint a k\u00f3d t\u00e1voli v\u00e9grehajt\u00e1s\u00e1ra olyan konfigur\u00e1ci\u00f3kban, ahol az X11 munkamenet \u00e1tir\u00e1ny\u00edt\u00e1sa SSH-n kereszt\u00fcl t\u00f6rt\u00e9nik.       <\/p>\n<p>Az azonos\u00edtott probl\u00e9m\u00e1k:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-5367 \u2014 A buffer overflow in the XIChangeDeviceProperty and RRChangeOutputProperty functions, which can be exploited through the attachment of additional elements to an input device property or a randr property. The vulnerability manifests from the release of xorg-server 1.4.0 (2007) and is caused by incorrect offset calculations when attaching additional elements to existing properties, resulting in elements being added with an incorrect offset, leading to memory being written outside the allocated buffer. For example, when attaching 3 elements to 5 existing ones, memory for an array of 8 elements is allocated, but the pre-existing elements are saved in the new array starting from index 5 instead of 3, which causes the last two elements to be written beyond the buffer.\n<li class=\"l\"> CVE-2023-5380 \u2014 Use-after-free memory access in the DestroyWindow function. This issue can be exploited by moving the pointer between screens in multi-monitor configurations in zaphod mode, where a separate screen is created for each monitor, and by calling the client window closing function. The vulnerability appears from the release of xorg-server 1.7.0 (2009) and is caused by an active pointer remaining to the previous window in the structure that binds to the screen after the window is closed and the associated memory is freed. Xwayland is not affected by this vulnerability.\n<li class=\"l\"> CVE-2023-5574 \u2014 Use-after-free memory access in the DamageDestroy function. This vulnerability can be exploited in <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-newyork\/\"   title=\"szerveren\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2753\">szerveren<\/a> Xvfb a strukt\u00fara tiszt\u00edt\u00e1sa alatt ScreenRec a szerver le\u00e1ll\u00edt\u00e1sa vagy az utols\u00f3 kliens lev\u00e1laszt\u00e1sa k\u00f6zben. Ahogy a m\u00faltbeli sebezhet\u0151s\u00e9g, ez a probl\u00e9ma is csak t\u00f6bbmonitoros konfigur\u00e1ci\u00f3kban jelentkezik Zaphod m\u00f3dban. A sebezhet\u0151s\u00e9g az xorg-server-1.13.0 (2012) kiad\u00e1s \u00f3ta l\u00e9tezik, \u00e9s m\u00e9g mindig nem jav\u00edtott\u00e1k (jav\u00edt\u00e1s csak patch form\u00e1j\u00e1ban \u00e9rhet\u0151 el).  <\/ul>\n<p>A sebezhet\u0151s\u00e9gek kijav\u00edt\u00e1s\u00e1n k\u00edv\u00fcl az xwayland 23.2.2 \u00e1t\u00e1llt a libbsd-overlay k\u00f6nyvt\u00e1rr\u00f3l a libbsd-ra, \u00e9s megsz\u00fcntett\u00e9k a RemoteDesktop XDG Desktop Portal interf\u00e9sz automatikus csatlakoz\u00e1s\u00e1t a socket meghat\u00e1roz\u00e1s\u00e1hoz, amelyet a kompozithoz haszn\u00e1lnak. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-shicago\/\"   title=\"szerverhez\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2929\">szerverhez<\/a> XTest events. Automatic connection caused problems when starting Xwayland in a nested composite server, so in the new version, the option \u2018-enable-ei-portal\u2019 must be explicitly specified to connect to the portal.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59991\">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 X.Org Server 21.1.9 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 22.2.2, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a X.Org Server \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f X11-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 Wayland. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 X-\u0441\u0435\u0440\u0432\u0435\u0440 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f\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-111085","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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