{"id":90513,"date":"2020-08-02T01:42:20","date_gmt":"2020-08-01T23:42:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-x-org-server-i-libx11"},"modified":"2020-12-03T09:15:07","modified_gmt":"2020-12-03T07:15:07","slug":"uyazvimosti-v-x-org-server-i-libx11","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/uyazvimosti-v-x-org-server-i-libx11","title":{"rendered":"Vulnerabilit\u00e0 in X.Org Server e libX11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Sono state identificate vulnerabilit\u00e0 in X.Org Server e libX11 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01260.html\">due<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01259.html\">vulnerabilit\u00e0<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2020-14347\">CVE-2020-14347<\/a><\/noindex> \u2014 l'assenza di inizializzazione della memoria durante l'allocazione dei buffer per le bitmap utilizzando la chiamata AllocatePixmap() pu\u00f2 portare a una perdita di contenuto della memoria heap all'X-client quando l'X-server opera con privilegi elevati. Questa vulnerabilit\u00e0 pu\u00f2 essere sfruttata per bypassare la tecnologia di randomizzazione dello spazio degli indirizzi (ASLR). In combinazione con altre vulnerabilit\u00e0, il problema pu\u00f2 essere utilizzato per creare un exploit per l'escalation dei privilegi nel sistema. Le correzioni sono attualmente disponibili sotto forma di patch.<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/xorg.freedesktop.org\/archive\/individual\/xserver\/\">Pubblicazione<\/a><\/noindex>  di un rilascio correttivo di X.Org Server 1.20.9 \u00e8 prevista nei prossimi giorni.<\/li>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2020-14344\">CVE-2020-14344<\/a><\/noindex> \u2014 overflow intero nell'implementazione di XIM (Input Method) in libX11, che pu\u00f2 causare la corruzione delle aree di memoria nella heap durante l'elaborazione di messaggi appositamente formattati dal metodo di input.<br \/>\nIl problema \u00e8 stato risolto nella versione <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01261.html\">libX11 1.6.10<\/a><\/noindex>.<\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53470\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 X.Org Server \u0438 libX11 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2020-14347 &#8212; \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u0438 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u0438\u0438 \u0431\u0443\u0444\u0435\u0440\u043e\u0432 \u0434\u043b\u044f \u043f\u0438\u043a\u0441\u0435\u043b\u044c\u043d\u044b\u0445 \u043a\u0430\u0440\u0442 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0432\u044b\u0437\u043e\u0432\u0430 AllocatePixmap() \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 X-\u043a\u043b\u0438\u0435\u043d\u0442\u0443 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u043f\u0430\u043c\u044f\u0442\u0438 \u0438\u0437 \u043a\u0443\u0447\u0438, \u043a\u043e\u0433\u0434\u0430 X-\u0441\u0435\u0440\u0432\u0435\u0440 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u044b\u043c\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u044f\u043c\u0438. \u0423\u043a\u0430\u0437\u0430\u043d\u043d\u0443\u044e \u0443\u0442\u0435\u0447\u043a\u0443 \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u043e\u0431\u0445\u043e\u0434\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0438 \u0440\u0430\u043d\u0434\u043e\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0430\u0434\u0440\u0435\u0441\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432 (ASLR). \u0412 \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0438 \u0441 \u0434\u0440\u0443\u0433\u0438\u043c\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u043c\u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-90513","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 X.Org Server \u0438 libX11 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link 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