{"id":119753,"date":"2024-09-10T09:43:17","date_gmt":"2024-09-10T07:43:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy"},"modified":"2024-09-10T09:43:17","modified_gmt":"2024-09-10T07:43:17","slug":"uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","title":{"rendered":"Vuln\u00e9rabilit\u00e9s dans FreeBSD permettant d'augmenter ses privil\u00e8ges ou de contourner l'isolation de la machine virtuelle.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>FreeBSD a corrig\u00e9 plusieurs vuln\u00e9rabilit\u00e9s permettant \u00e0 un utilisateur local d'\u00e9lever ses privil\u00e8ges, d'ex\u00e9cuter du code dans le contexte du noyau ou de sortir d'un environnement isol\u00e9 :  <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-43102 \u2014 un probl\u00e8me de condition de course dans l'impl\u00e9mentation de l'appel syst\u00e8me _umtx_op peut \u00eatre utilis\u00e9 pour provoquer un acc\u00e8s \u00e0 une zone de m\u00e9moire d\u00e9j\u00e0 lib\u00e9r\u00e9e (Use-After-Free) en envoyant simultan\u00e9ment plusieurs sous-requ\u00eates UMTX_SHM_DESTROY. Cette vuln\u00e9rabilit\u00e9 permet potentiellement de contourner les limites du m\u00e9canisme d'isolement Capsicum ou d'ex\u00e9cuter du code au niveau du noyau. La vuln\u00e9rabilit\u00e9 a re\u00e7u le niveau de dangerosit\u00e9 le plus \u00e9lev\u00e9 (10 sur 10). Le probl\u00e8me a \u00e9t\u00e9 corrig\u00e9 dans les mises \u00e0 jour 14.1-RELEASE-p4, 14.0-RELEASE-p10 et 13.3-RELEASE-p6.\n<li class=\"l\"> CVE-2024-45287, CVE-2024-45288 \u2014 des vuln\u00e9rabilit\u00e9s dans la biblioth\u00e8que libnv, utilis\u00e9e dans le noyau et dans l'espace utilisateur pour traiter des listes au format cl\u00e9\/valeur. Le premier probl\u00e8me est li\u00e9 \u00e0 un d\u00e9bordement entier, entra\u00eenant l'allocation d'un tampon de taille inf\u00e9rieure \u00e0 celle des donn\u00e9es \u00e9crites dans le tampon. Le deuxi\u00e8me probl\u00e8me est caus\u00e9 par l'absence de caract\u00e8re nul de terminaison dans le dernier \u00e9l\u00e9ment du tableau, ce qui permet d'\u00e9crire en dehors du tampon allou\u00e9. Cette vuln\u00e9rabilit\u00e9 peut potentiellement \u00eatre exploit\u00e9e pour \u00e9lever ses privil\u00e8ges en \u00e9crivant dans des zones de m\u00e9moire dans des processus syst\u00e8me ou dans le noyau.\n<li class=\"l\"> CVE-2024-32668, CVE-2024-41928, CVE-2024-8178, CVE-2024-42416, CVE-2024-43110, CVE-2024-45063 \u2014 des vuln\u00e9rabilit\u00e9s dans l'hyperviseur bhyve, permettant d'ex\u00e9cuter du code dans un processus s'ex\u00e9cutant sur le syst\u00e8me h\u00f4te (g\u00e9n\u00e9ralement avec les droits root) tout en manipulant \u00e0 l'int\u00e9rieur du syst\u00e8me invit\u00e9 les pilotes de contr\u00f4leur USB virtuel (XHCI), TPM ou ctl (\u00e9mulation SCSI via CAM Target Layer).\n<li class=\"l\"> CVE-2024-6119 \u2014 une vuln\u00e9rabilit\u00e9 dans OpenSSL, provoquant un plantage des applications lors de la v\u00e9rification de noms de certificats X.509 sp\u00e9cialement format\u00e9s, sp\u00e9cifi\u00e9s dans le champ otherName.  <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61838\">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 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 &#8212; \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0433\u043e\u043d\u043a\u0438 \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u0432\u044b\u0437\u043e\u0432\u0430 _umtx_op \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u043e\u0439 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 (Use-After-Free) \u0447\u0435\u0440\u0435\u0437 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 UMTX_SHM_DESTROY. \u041f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 Capsicum [&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-119753","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\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 -.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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FreeBSD permettant d'\u00e9lever ses privil\u00e8ges ou de contourner l'isolation du syst\u00e8me invit\u00e9 | ProHoster","description":"FreeBSD a corrig\u00e9 plusieurs vuln\u00e9rabilit\u00e9s permettant \u00e0 un utilisateur local d'\u00e9lever ses privil\u00e8ges, d'ex\u00e9cuter du code dans le contexte du noyau ou de sortir d'un environnement isol\u00e9 : CVE-2024-43102 -.","canonical_url":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"fr_FR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS 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\u043f\u043e\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 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