{"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\/fr\/blog\/news\/uyazvimosti-v-x-org-server-i-libx11","title":{"rendered":"Vuln\u00e9rabilit\u00e9s dans X.Org Server et libX11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Des vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9tect\u00e9es dans X.Org Server et libX11 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01260.html\">deux<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01259.html\">une vuln\u00e9rabilit\u00e9<\/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'absence d'initialisation de la m\u00e9moire lors de l'allocation de buffers pour des cartes de pixels via l'appel AllocatePixmap() peut entra\u00eener une fuite de contenu m\u00e9moire vers le client X depuis le tas, lorsque le serveur X fonctionne avec des privil\u00e8ges \u00e9lev\u00e9s. Cette fuite peut \u00eatre utilis\u00e9e pour contourner la technologie de randomisation de l'espace d'adresses (ASLR). En combinaison avec d'autres vuln\u00e9rabilit\u00e9s, le probl\u00e8me peut \u00eatre exploit\u00e9 pour cr\u00e9er un exploit visant \u00e0 \u00e9lever les privil\u00e8ges dans le syst\u00e8me. Des correctifs sont actuellement disponibles sous forme de patches.<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/xorg.freedesktop.org\/archive\/individual\/xserver\/\">Publication<\/a><\/noindex>  de la version corrective de X.Org Server 1.20.9 pr\u00e9vue dans les prochains jours.<\/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 Un d\u00e9bordement entier dans l'impl\u00e9mentation de XIM (Input Method) dans libX11, qui peut entra\u00eener la corruption de r\u00e9gions de m\u00e9moire dans le tas lors du traitement de messages sp\u00e9cialement con\u00e7us provenant de la m\u00e9thode d'entr\u00e9e.<br \/>\nLe probl\u00e8me a \u00e9t\u00e9 r\u00e9solu dans la version <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>Source : <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 5.0.2 - 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 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