{"id":102614,"date":"2021-12-14T21:36:46","date_gmt":"2021-12-14T19:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-x-org-server"},"modified":"2021-12-14T21:36:46","modified_gmt":"2021-12-14T19:36:46","slug":"uyazvimosti-v-x-org-server","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/uyazvimosti-v-x-org-server","title":{"rendered":"Vulnerabilit\u00e0 nel server X.Org","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nel server X.Org sono state identificate quattro vulnerabilit\u00e0 che consentono di elevare i privilegi nel sistema se il server X \u00e8 in esecuzione con diritti di root, o di eseguire codice su un sistema remoto se si utilizza il reindirizzamento della sessione X11 tramite SSH. Le problematiche dovrebbero essere risolte nella versione xorg-server 21.1.2, prevista nei prossimi giorni. Nei vari distribuzioni le vulnerabilit\u00e0 rimangono ancora non risolte (Debian, Ubuntu, RHEL, SUSE, Fedora, Arch).    <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-4008 \u2014 overflow del buffer nella funzione SProcRenderCompositeGlyphs, legato al fatto che il gestore delle richieste CompositeGlyphs nell'estensione Render non verifica correttamente la lunghezza dei dati trasmessi, il che pu\u00f2 essere sfruttato per scrivere dati arbitrari oltre il buffer. Patch correttiva disponibile.\n<li class=\"l\"> CVE-2021-4009 overflow del buffer nella funzione SProcXFixesCreatePointerBarrier, causato da un controllo errato della lunghezza della richiesta nel gestore CreatePointerBarrier, utilizzato nell'estensione XFixes. Patch correttiva disponibile.\n<li class=\"l\"> CVE-2021-4010 \u2014 overflow del buffer nella funzione SProcScreenSaverSuspend, dovuto a un controllo errato della lunghezza della richiesta Suspend nell'estensione Screen Saver. Patch correttiva disponibile.\n<li class=\"l\"> CVE-2021-4011 \u2014 overflow del buffer nella funzione SwapCreateRegister, causato da un controllo errato della lunghezza delle richieste RecordCreateContext e RecordRegisterClients nell'estensione Record. Patch correttiva disponibile.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56344\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 X.Org Server \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0447\u0435\u0442\u044b\u0440\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0435\u0441\u043b\u0438 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, \u0438\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043d\u0430 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0435\u0441\u043b\u0438 \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0435\u0430\u043d\u0441\u0430 X11 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 SSH. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043e\u0431\u0435\u0449\u0430\u044e\u0442 \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u0442\u044c \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 xorg-server 21.1.2, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0432 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0438\u0435 \u0434\u043d\u0438. \u0412 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u043e\u043a\u0430 \u043e\u0441\u0442\u0430\u044e\u0442\u0441\u044f \u043d\u0435\u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u043c\u0438 (Debian, Ubuntu, RHEL, [&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-102614","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=\"\u0412 X.Org Server \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0447\u0435\u0442\u044b\u0440\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 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