{"id":122099,"date":"2025-02-26T14:22:10","date_gmt":"2025-02-26T12:22:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-16-s-ustraneniem-8-uyazvimostej"},"modified":"2025-02-26T14:22:10","modified_gmt":"2025-02-26T12:22:10","slug":"obnovlenie-x-org-server-21-1-16-s-ustraneniem-8-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/obnovlenie-x-org-server-21-1-16-s-ustraneniem-8-uyazvimostej","title":{"rendered":"Actualizarea X.Org Server 21.1.16 a remediat 8 vulnerabilit\u0103\u021bi.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost publicate versiunile corective X.Org Server 21.1.16 \u0219i a componentei DDX (Device-Dependent X) xwayland 24.1.6, care asigur\u0103 rularea X.Org Server pentru execu\u021bia aplica\u021biilor X11 \u00een medii bazate pe Wayland. \u00cen noua versiune a X.Org Server au fost eliminate 8 vulnerabilit\u0103\u021bi. Problemele pot fi exploatate pentru cre\u0219terea privilegiilor \u00een sistemele \u00een care serverul X ruleaz\u0103 cu drepturi de root, precum \u0219i pentru executarea de cod de la distan\u021b\u0103 \u00een configura\u021biile \u00een care accesul se realizeaz\u0103 prin redirec\u021bionarea sesiunii X11 folosind SSH.     <\/p>\n<p>Vulnerabilit\u0103\u021bile identificate:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-26594 \u2014 acces la o zon\u0103 de memorie deja eliberat\u0103 (Use-after-free) \u00een handler-ul cursorului pentru fereastra principal\u0103. Vulnerabilitatea a fost raportat\u0103 dinainte de lansarea X11R6.6 \u00een 2001.\n<li class=\"l\"> CVE-2025-26595 \u2014 dep\u0103\u0219ire de buffer \u00een func\u021bia XkbVModMaskText(), cauzat\u0103 de copierea numelui modificatorilor virtuali \u00eentr-un buffer fix f\u0103r\u0103 o verificare adecvat\u0103 a dimensiunii. Vulnerabilitatea a fost raportat\u0103 \u00eencep\u00e2nd cu X11R6.1 (anul 1996).\n<li class=\"l\"> CVE-2025-26596 \u2014 dep\u0103\u0219ire de buffer \u00een func\u021bia XkbWriteKeySyms(), legat\u0103 de faptul c\u0103 dimensiunea calculat\u0103 de func\u021bia XkbSizeKeySyms() nu corespundea dimensiunii datelor scrise de func\u021bia XkbWriteKeySyms(). Vulnerabilitatea a fost raportat\u0103 din prima versiune xkb.c, inclus\u0103 \u00een X11R6 (anul 1994).\n<li class=\"l\"> CVE-2025-26597 \u2014 dep\u0103\u0219ire de buffer \u00een func\u021bia XkbChangeTypesOfKey() din cauza utiliz\u0103rii unei dimensiuni gre\u0219ite \u00een tabela codurilor simbolurilor. Vulnerabilitatea a fost raportat\u0103 din lansarea X11R6.1 (anul 1996).\n<li class=\"l\"> CVE-2025-26598 \u2014 acces la date \u00een afara buffer-ului \u00een func\u021bia CreatePointerBarrierClient(), cauzat de returnarea unui index incorect \u00een list\u0103 \u00een cazul unei c\u0103ut\u0103ri nereu\u0219ite a dispozitivului de control al cursorului. Vulnerabilitatea a fost raportat\u0103 \u00eencep\u00e2nd cu xorg-server 1.14.0 (anul 2013).\n<li class=\"l\"> CVE-2025-26599 \u2014 acces printr-un pointer neini\u021bializat \u00een func\u021bia compRedirectWindow() atunci c\u00e2nd nu se poate aloca memorie pentru o bitmap. Vulnerabilitatea a fost raportat\u0103 \u00eencep\u00e2nd cu Xorg 6.8.0 (anul 2004).\n<li class=\"l\"> CVE-2025-26600 \u2014 acces la o zon\u0103 de memorie deja eliberat\u0103 \u00een func\u021bia PlayReleasedEvents() c\u00e2nd se extrage un dispozitiv blocat, pentru care r\u0103m\u00e2n evenimente neprocesate. Vulnerabilitatea a fost raportat\u0103 \u00eencep\u00e2nd cu X11R5 (anul 1991).\n<li class=\"l\">CVE-2025-26601 \u2014 acces la o zon\u0103 de memorie deja eliberat\u0103 \u00een func\u021bia SyncInitTrigger(). Vulnerabilitatea a fost raportat\u0103 \u00eencep\u00e2nd cu X11R6 (anul 1994).  <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62795\">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 21.1.16 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.6, \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\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 X.Org Server \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \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, \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 [&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-122099","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 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