{"id":36475,"date":"2019-10-31T22:11:51","date_gmt":"2019-10-31T19:11:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vo-freebsd-ustraneno-6-uyazvimostej\/"},"modified":"2019-10-31T22:11:51","modified_gmt":"2019-10-31T19:11:51","slug":"vo-freebsd-ustraneno-6-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/vo-freebsd-ustraneno-6-uyazvimostej","title":{"rendered":"Six vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 corrig\u00e9es dans FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Six vulnerabilities have been fixed in FreeBSD, which allow privilege escalation or access to kernel data. The issues have been addressed in the updates 12.0-RELEASE-p8, 11.2-RELEASE-p12, and 11.3-RELEASE-p1.<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00899.html\">CVE-2019-5606<\/a><\/noindex> \u2014 une erreur dans le gestionnaire d'appels close pour les descripteurs de fichiers cr\u00e9\u00e9s via l'appel syst\u00e8me posix_openpt peut entra\u00eener une \u00e9criture dans des zones de m\u00e9moire d\u00e9j\u00e0 lib\u00e9r\u00e9es du noyau (write-after-free). Un attaquant local peut exploiter cette vuln\u00e9rabilit\u00e9 pour obtenir des privil\u00e8ges root ou sortir de l'environnement jail;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00900.html\">CVE-2019-0053<\/a><\/noindex> \u2014 l'absence de v\u00e9rification ad\u00e9quate des valeurs lors du traitement des variables d'environnement dans le code client telnet peut provoquer un d\u00e9bordement de tampon lors de l'acc\u00e8s \u00e0 un serveur malveillant et orchestrer une attaque d'ex\u00e9cution de code c\u00f4t\u00e9 client;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00901.html\">CVE-2019-5605<\/a><\/noindex> \u2014 une erreur dans l'impl\u00e9mentation de freebsd32_ioctl peut entra\u00eener une fuite de zones de m\u00e9moire du noyau, qui peuvent potentiellement contenir des donn\u00e9es r\u00e9siduelles provenant du tampon du terminal ou du cache de fichiers;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00902.html\">CVE-2019-5603<\/a><\/noindex> \u2014 la possibilit\u00e9 d'initier un d\u00e9bordement de compteur dans le pseudo-syst\u00e8me de fichiers mqueuefs, qui peut \u00eatre utilis\u00e9 pour acc\u00e9der \u00e0 des fichiers, des r\u00e9pertoires et des sockets d'autres processus appartenant \u00e0 d'autres utilisateurs. Ce probl\u00e8me peut \u00e9galement \u00eatre utilis\u00e9 pour sortir de jail et, en cas de privil\u00e8ges root dans la jail, pour obtenir des privil\u00e8ges root dans le syst\u00e8me principal;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00903.html\">CVE-2019-5604<\/a><\/noindex> \u2014 une erreur de validation des param\u00e8tres 'epid' et 'streamid' dans le code d'\u00e9mulation des p\u00e9riph\u00e9riques XHCI dans l'hyperviseur bhyve permet de d\u00e9terminer des valeurs de m\u00e9moire en dehors du tampon allou\u00e9 ou d'initier un crash syst\u00e8me;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00904.html\">CVE-2019-5607<\/a><\/noindex> \u2014 une fuite de compteur de r\u00e9f\u00e9rences sur les descripteurs de sockets UNIX, utilis\u00e9s pour transmettre des privil\u00e8ges entre processus, peut \u00eatre exploit\u00e9e pour obtenir un acc\u00e8s root ou sortir de l'environnement jail.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51167\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 12.0-RELEASE-p8, 11.2-RELEASE-p12 \u0438 11.3-RELEASE-p1. CVE-2019-5606 &#8212; \u043e\u0448\u0438\u0431\u043a\u0430 \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0435 \u0432\u044b\u0437\u043e\u0432\u0430 close \u0434\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0434\u0435\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0440\u043e\u0432, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0439 \u0432\u044b\u0437\u043e\u0432 posix_openpt, \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u0435 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u044f\u0434\u0440\u0430 (write-after-free). \u041b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0439 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a \u043c\u043e\u0436\u0435\u0442 [&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-36475","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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