{"id":112973,"date":"2024-01-18T11:28:03","date_gmt":"2024-01-18T09:28:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-11-s-ustraneniem-6-uyazvimostej"},"modified":"2024-01-18T11:28:03","modified_gmt":"2024-01-18T09:28:03","slug":"obnovlenie-x-org-server-21-1-11-s-ustraneniem-6-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obnovlenie-x-org-server-21-1-11-s-ustraneniem-6-uyazvimostej","title":{"rendered":"Aktualizacja X.Org Server 21.1.11 z napraw\u0105 6 luk bezpiecze\u0144stwa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Opublikowano poprawki do X.Org Server 21.1.11 oraz komponentu DDX (Device-Dependent X) xwayland 23.2.4, kt\u00f3re umo\u017cliwiaj\u0105 uruchamianie X.Org Server do obs\u0142ugi aplikacji X11 w \u015brodowiskach opartych na Wayland. W nowych wersjach naprawiono 6 luk w zabezpieczeniach, z kt\u00f3rych niekt\u00f3re mog\u0105 by\u0107 wykorzystywane do podnoszenia uprawnie\u0144 w systemach, w kt\u00f3rych serwer X dzia\u0142a z uprawnieniami root, a tak\u017ce do zdalnego wykonywania kodu w konfiguracjach wykorzystuj\u0105cych przekierowanie sesji X11 przez SSH.     <\/p>\n<p>Zidentyfikowane problemy:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-6816 \u2014 przepe\u0142nienie bufora, kt\u00f3re wyst\u0119puje przy przekazywaniu nieprawid\u0142owego indeksu tablicy w operacjach DeviceFocusEvent i ProcXIQueryPointer. Luka bezpiecze\u0144stwa zosta\u0142a spowodowana tym, \u017ce serwer X przydziela pami\u0119\u0107 tablicy z uwzgl\u0119dnieniem rzeczywistej liczby przycisk\u00f3w, podczas gdy zapytanie pozwala na u\u017cywanie warto\u015bci w tablicy do 255. Problem wyst\u0119puje od wydania xorg-server-1.13.0 (2012 rok).\n<li class=\"l\"> CVE-2024-0229 \u2014 zapis w obszarze poza granic\u0105 bufora poprzez ponowne przypisanie do innego urz\u0105dzenia master w konfiguracji, w kt\u00f3rej urz\u0105dzenie jest jednocze\u015bnie wyposa\u017cone w elementy wej\u015bciowe klasy \u201eprzycisk\u201d (button) i \u201eklawisz\u201d (key), przy czym liczba przycisk\u00f3w (parametr numButtons) jest ustawiona na 0. Problem wyst\u0119puje od wydania xorg-server-1.1.1 (2006 rok).\n<li class=\"l\"> CVE-2024-21885 \u2014 przepe\u0142nienie bufora w funkcji XISendDeviceHierarchyEvent, kt\u00f3re wyst\u0119puje przy usuwaniu urz\u0105dzenia o okre\u015blonym identyfikatorze i dodawaniu urz\u0105dzenia o tym samym identyfikatorze w ramach jednego zapytania. Luka zosta\u0142a spowodowana tym, \u017ce podczas podw\u00f3jnej operacji dla jednego identyfikatora zapisywane s\u0105 dwa egzemplarze struktury xXIHierarchyInfo, podczas gdy funkcja XISendDeviceHierarchyEvent przydziela pami\u0119\u0107 z my\u015bl\u0105 o jednym egzemplarzu. Problem wyst\u0119puje od wydania xorg-server-1.10.0 (2010 rok).\n<li class=\"l\"> CVE-2024-21886 \u2014 przepe\u0142nienie bufora w funkcji DisableDevice, kt\u00f3re wyst\u0119puje przy od\u0142\u0105czaniu master-urz\u0105dzenia, gdy slave-urz\u0105dzenia s\u0105 ju\u017c od\u0142\u0105czone. Luka zosta\u0142a spowodowana b\u0142\u0119dnym obliczeniem rozmiaru struktury do przechowywania listy urz\u0105dze\u0144. Problem wyst\u0119puje od wydania xorg-server-1.13.0 (2012 rok).\n<li class=\"l\">  CVE-2024-0409, CVE-2024-0408 \u2014 uszkodzenie kontekstu SELinux przy w\u0142\u0105czaniu xserver_object_manager oraz uruchamianiu klienta lub tworzeniu GLX PBuffer.         <\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60456\">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 21.1.11 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 23.2.4, \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\u043e 6 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \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 [&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-112973","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b 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