{"id":146775,"date":"2025-10-29T23:12:08","date_gmt":"2025-10-29T21:12:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-20-s-ustraneniem-3-uyazvimostej"},"modified":"2025-10-29T23:12:08","modified_gmt":"2025-10-29T21:12:08","slug":"obnovlenie-x-org-server-21-1-20-s-ustraneniem-3-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/obnovlenie-x-org-server-21-1-20-s-ustraneniem-3-uyazvimostej","title":{"rendered":"Actualizare X.Org Server 21.1.20 cu remedierea a 3 vulnerabilit\u0103\u021bi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost publicate versiunile corective X.Org Server 21.1.19 \u0219i componenta DDX (Device-Dependent X) xwayland 24.1.9, care permite rularea X.Org Server pentru a organiza execu\u021bia aplica\u021biilor X11 \u00een medii bazate pe Wayland. Noile versiuni remediaz\u0103 3 vulnerabilit\u0103\u021bi, care au un nivel de severitate de 7.8 din 10. Problemele pot fi exploatate pentru a cre\u0219te privilegiile \u00een sistemele \u00een care serverul X ruleaz\u0103 cu drepturi de root, precum \u0219i pentru execu\u021bia la distan\u021b\u0103 a codului \u00een configura\u021biile \u00een care accesul se face prin redirec\u021bionarea sesiunii X11 prin SSH.       <\/p>\n<p>Vulnerabilit\u0103\u021bile corectate:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-62229 \u2014 accesarea memoriei dup\u0103 ce aceasta a fost eliberat\u0103 \u00een codul de creare a structurii XPresentNotify. Problema apare \u00een implementarea extensiei X11 Present \u0219i duce la l\u0103sarea unui pointer c\u0103tre obiectul eliminat present_notify \u00een caz de eroare \u00een timpul proces\u0103rii \u0219i ad\u0103ug\u0103rii notific\u0103rilor dup\u0103 prezentarea h\u0103r\u021bii de pixeli. Vulnerabilitatea este prezent\u0103 din versiunea Xorg 1.15 (anul 2013).\n<li class=\"l\"> CVE-2025-62230 \u2014 accesarea memoriei dup\u0103 ce aceasta a fost eliberat\u0103 la eliminarea resurselor Xkb pentru client. Func\u021bia XkbRemoveResourceClient() elibera memoria alocat\u0103 pentru datele XkbInterest asociate cu dispozitivul, dar l\u0103sa resursele conectate la acesta. Vulnerabilitatea este prezent\u0103 din versiunea X11R6 (anul 1994).\n<li class=\"l\"> CVE-2025-62231 \u2014 dep\u0103\u0219irea valorii \u00eentregi \u00een extensia Xkb. \u00cen structura XkbCompatMap, valorile erau stocate cu tipul \u201eunsigned short\u201d, dar nu erau verificate pentru a confirma c\u0103 valoarea de intrare nu dep\u0103\u0219e\u0219te limita superioar\u0103 a acestui tip. Vulnerabilitatea este prezent\u0103 din versiunea X11R6 (anul 1994).     <\/ul>\n<p>Pe urmele fierbin\u021bi a fost creat un release corectiv X.Org Server 21.1.20, \u00een care a fost rezolvat\u0103 problema care provoca o eroare la compilare utiliz\u00e2nd sistemul de construire Meson.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64138\">opennet.ro<\/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 21.1.19 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.9, \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 3 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 7.8 \u0438\u0437 10. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \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, [&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-146775","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\" 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