{"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\/nl\/blog\/news\/uyazvimosti-v-x-org-server-i-libx11","title":{"rendered":"Kwetsbaarheden in X.Org Server en libX11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In X.Org Server en libX11 zijn gevonden <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01260.html\">twee<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/xorg-announce@lists.x.org\/msg01259.html\">kwetsbaarheden<\/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 gebrek aan geheugeninitialisatie bij het toewijzen van bufferruimte voor pixelkaarten via de AllocatePixmap()-aanroep kan leiden tot het lekken van geheugengegevens naar een X-client uit de heap, wanneer de X-server met verhoogde privileges werkt. Dit lek kan worden gebruikt om de Address Space Layout Randomization (ASLR) technologie te omzeilen. In combinatie met andere kwetsbaarheden kan dit probleem worden gebruikt voor het cre\u00ebren van een exploit om privileges in het systeem te verhogen. Beheersystemen zijn momenteel beschikbaar in de vorm van patches.<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/xorg.freedesktop.org\/archive\/individual\/xserver\/\">Publicatie<\/a><\/noindex>  van de corrigerende release van X.Org Server 1.20.9 wordt in de komende dagen verwacht.<\/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 een gehele getaloverloop in de implementatie van XIM (Input Method) in libX11, die kan leiden tot corruptie van geheugenruimten in de heap bij het verwerken van speciaal samengestelde berichten van de inputmethode.<br \/>\nHet probleem is verholpen in de release <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>Bron: <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 5.0.3 - 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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