{"id":137738,"date":"2025-06-21T11:12:23","date_gmt":"2025-06-21T09:12:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-18-s-ustraneniem-6-uyazvimostej"},"modified":"2025-06-21T11:12:23","modified_gmt":"2025-06-21T09:12:23","slug":"obnovlenie-x-org-server-21-1-18-s-ustraneniem-6-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-x-org-server-21-1-18-s-ustraneniem-6-uyazvimostej","title":{"rendered":"X.Org Server 21.1.18 friss\u00edt\u00e9s 6 biztons\u00e1gi r\u00e9s megsz\u00fcntet\u00e9s\u00e9vel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelentek a jav\u00edt\u00f3kiad\u00e1sok az X.Org Server 21.1.17-hez \u00e9s az eszk\u00f6zf\u00fcgg\u0151 X komponenshez (DDX) xwayland 24.1.7, amely lehet\u0151v\u00e9 teszi az X.Org Server ind\u00edt\u00e1s\u00e1t X11-alkalmaz\u00e1sok futtat\u00e1s\u00e1hoz Wayland-alap\u00fa k\u00f6rnyezetekben. Az \u00faj X.Org Server verzi\u00f3ban 6 biztons\u00e1gi r\u00e9st jav\u00edtottak. A probl\u00e9m\u00e1k potenci\u00e1lisan kihaszn\u00e1lhat\u00f3k a jogosults\u00e1gok emel\u00e9s\u00e9re olyan rendszerekben, ahol az X-szerver root jogosults\u00e1gokkal fut, valamint t\u00e1voli k\u00f3dv\u00e9grehajt\u00e1sra olyan konfigur\u00e1ci\u00f3kban, ahol az X11 munkamenet SSH-n kereszt\u00fcli \u00e1tkonfigur\u00e1ci\u00f3j\u00e1t haszn\u00e1lj\u00e1k.     <\/p>\n<p>Felt\u00e1rt sebezhet\u0151s\u00e9gek:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-49176 \u2014 eg\u00e9sz sz\u00e1mok t\u00faltel\u00edt\u0151d\u00e9se, ami mem\u00f3riak\u00e1rosod\u00e1st okoz a Big Requests kiterjeszt\u00e9s megval\u00f3s\u00edt\u00e1s\u00e1ban, amely lehet\u0151v\u00e9 teszi a 64 kilob\u00e1jtn\u00e1l nagyobb k\u00e9r\u00e9sek k\u00fcld\u00e9s\u00e9t. A s\u00e9r\u00fcl\u00e9kenys\u00e9g az X11R6.0 (1994) verzi\u00f3val jelentkezik.\n<li class=\"l\"> CVE-2025-49179 \u2014 eg\u00e9sz sz\u00e1mok t\u00faltel\u00edt\u0151d\u00e9se, ami mem\u00f3riak\u00e1rosod\u00e1st okoz az X Record kiterjeszt\u00e9s megval\u00f3s\u00edt\u00e1s\u00e1ban, amely t\u00fal nagy sz\u00e1m\u00fa kliens vagy tartom\u00e1ny \u00e9rt\u00e9kek k\u00fcld\u00e9sekor l\u00e9p fel. A s\u00e9r\u00fcl\u00e9kenys\u00e9g az X11R6.1 (1996) verzi\u00f3val jelentkezik.\n<li class=\"l\">  CVE-2025-49180 \u2014 eg\u00e9sz sz\u00e1mok t\u00faltel\u00edt\u0151d\u00e9se, ami mem\u00f3riak\u00e1rosod\u00e1st okoz a RandR kiterjeszt\u00e9s megval\u00f3s\u00edt\u00e1s\u00e1ban. A s\u00e9r\u00fcl\u00e9kenys\u00e9g az 1.13 RC1 (2012) verzi\u00f3val jelentkezik.\n<li class=\"l\"> CVE-2025-49178 \u2014 olyan helyzet l\u00e9trehoz\u00e1s\u00e1nak lehet\u0151s\u00e9ge, amely m\u00e1s \u00fcgyfelek k\u00e9r\u00e9seinek blokkol\u00e1s\u00e1hoz vezet. A s\u00e9r\u00fcl\u00e9kenys\u00e9g az Xorg 1.10.0 verzi\u00f3val jelentkezik.\n<li class=\"l\"> CVE-2025-49175 \u2014 mem\u00f3riahat\u00e1ron t\u00fali olvas\u00e1s az X Rendering kiterjeszt\u00e9sben, amely az anim\u00e1lt kurzorokkal v\u00e9gzett m\u0171veletek sor\u00e1n l\u00e9p fel. A s\u00e9r\u00fcl\u00e9kenys\u00e9g az XFree86 4.3.0 (2003) verzi\u00f3val jelentkezik.\n<li class=\"l\"> CVE-2025-49177 \u2014 adatki\u00e1raml\u00e1s az XFIXES kiterjeszt\u00e9s megval\u00f3s\u00edt\u00e1s\u00e1ban, amely a kliens k\u00e9r\u00e9s\u00e9nek m\u00e9ret\u00e9nek ellen\u0151rz\u00e9s\u00e9nek hi\u00e1ny\u00e1b\u00f3l ad\u00f3dik az XFixesSetClientDisconnectMode kezel\u0151ben (a kliens r\u00f6videbb k\u00e9r\u00e9st k\u00fcldhet, \u00e9s olvashatja az el\u0151z\u0151 k\u00e9r\u00e9s adatait). A s\u00e9r\u00fcl\u00e9kenys\u00e9g a Xorg Server 21.1 RC1 (2021) verzi\u00f3val jelentkezik.              <\/ul>\n<p>Kieg\u00e9sz\u00edt\u00e9s: A X.Org Server 21.1.18 \u00e9s az xwayland 24.1.8 friss\u00edt\u00e9seket m\u00e1r azonnal kiadt\u00e1k, amelyek tov\u00e1bbi v\u00e1ltoztat\u00e1sokat tartalmaznak a CVE-2025-49176 s\u00e9r\u00fcl\u00e9kenys\u00e9g kijav\u00edt\u00e1s\u00e1ra.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63423\">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 21.1.17 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 24.1.7, \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 6 \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-137738","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One 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