{"id":109367,"date":"2023-07-12T21:10:19","date_gmt":"2023-07-12T19:10:19","guid":{"rendered":"https:\/\/prohoster.info\/?p=109367"},"modified":"2023-07-13T09:57:04","modified_gmt":"2023-07-13T07:57:04","slug":"uyazvimosti-v-redis-ghostscript-asterisk-i-parse-server","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimosti-v-redis-ghostscript-asterisk-i-parse-server","title":{"rendered":"Vuln\u00e9rabilit\u00e9s dans Redis, Ghostscript, Asterisk et Parse Server","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Plusieurs vuln\u00e9rabilit\u00e9s r\u00e9cemment d\u00e9couvertes :  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-24834 &#8212; une vuln\u00e9rabilit\u00e9 dans la base de donn\u00e9es Redis, permettant de provoquer un d\u00e9passement de tampon dans les biblioth\u00e8ques cjson et cmsgpack lors de l'ex\u00e9cution d'un script Lua sp\u00e9cialement con\u00e7u. Cette vuln\u00e9rabilit\u00e9 pourrait potentiellement conduire \u00e0 l'ex\u00e9cution de code \u00e0 distance sur <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-newyork\/\"   title=\"le serveur\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2763\">le serveur<\/a>. Le probl\u00e8me appara\u00eet \u00e0 partir de Redis 2.6 et a \u00e9t\u00e9 corrig\u00e9 dans les versions 7.0.12, 6.2.13 et 6.0.20. Comme solution de contournement, il est possible d'interdire aux utilisateurs de Redis d'ex\u00e9cuter les commandes EVAL et EVALSHA via les ACL.\n<li class=\"l\"> CVE-2023-36824 est une vuln\u00e9rabilit\u00e9 dans la base de donn\u00e9es Redis, entra\u00eenant un d\u00e9passement de tampon lors du traitement des noms de cl\u00e9s, pass\u00e9s via les commandes COMMAND GETKEYS ou COMMAND GETKEYSANDFLAGS, ainsi que des listes de cl\u00e9s dans les r\u00e8gles ACL. Potentiellement, cette vuln\u00e9rabilit\u00e9 peut mener \u00e0 l'ex\u00e9cution \u00e0 distance de code sur le serveur. Le probl\u00e8me n'appara\u00eet que dans la branche 7.0.x et a \u00e9t\u00e9 corrig\u00e9 dans la version 7.0.12.\n<li class=\"l\"> CVE-2022-23537 &#8212; une vuln\u00e9rabilit\u00e9 dans la plateforme de communication Asterisk, conduisant \u00e0 un d\u00e9passement de tampon lors de l'analyse <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-prohoster\/\"   title=\"serveur\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3076\">serveur<\/a> de messages STUN sp\u00e9cialement con\u00e7us, contenant un attribut inconnu. Le probl\u00e8me appara\u00eet lors de l'utilisation des protocoles ICE ou WebRTC dans Asterisk. La vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 corrig\u00e9e dans les versions 16.30.1, 18.18.1, 19.8.1 et 20.3.1.\n<li class=\"l\"> CVE-2023-36664 &#8212; une vuln\u00e9rabilit\u00e9 dans Ghostscript, un ensemble d'outils pour traiter, convertir et g\u00e9n\u00e9rer des documents au format PostScript et PDF, permettant l'ex\u00e9cution de code arbitraire lors de l'ouverture de documents sp\u00e9cialement con\u00e7us au format PostScript. Le probl\u00e8me est caus\u00e9 par un traitement incorrect des noms de fichiers commen\u00e7ant par le caract\u00e8re &#171;|&#187; ou le pr\u00e9fixe %pipe%. La vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 corrig\u00e9e dans la version Ghostscript 10.01.2.\n<p>Dans de nombreux environnements, Ghostscript est appel\u00e9 lors de la cr\u00e9ation de miniatures sur le bureau ou lors de l'indexation en arri\u00e8re-plan des donn\u00e9es, de sorte que pour attaquer, il suffit parfois de t\u00e9l\u00e9charger un fichier contenant l'exploit ou de visualiser le r\u00e9pertoire contenant celui-ci dans Nautilus. Une attaque sur les syst\u00e8mes serveurs peut \u00eatre organis\u00e9e via des gestionnaires d'images bas\u00e9s sur les paquets ImageMagick et GraphicsMagick, qui appellent Ghostscript lors du transfert de fichiers JPEG ou PNG, dans lesquels au lieu d'une image se trouve du code PostScript (ce type de fichier sera trait\u00e9 dans Ghostscript, car le type MIME est reconnu par le contenu et non pas en s'appuyant sur l'extension).    <\/p>\n<li class=\"l\"> CVE-2023-36475 &#8212; une vuln\u00e9rabilit\u00e9 dans Parse Server, un backend pour Node.js fonctionnant avec le framework web Express, permettant d'ex\u00e9cuter \u00e0 distance son propre code sur le serveur. Cette vuln\u00e9rabilit\u00e9 permet d'appliquer une m\u00e9thode de pollution du prototype des objets JavaScript pour ex\u00e9cuter son propre code via le parseur BSON de MongoDB. La vuln\u00e9rabilit\u00e9 a re\u00e7u un niveau de gravit\u00e9 de 9,8 sur 10. Le probl\u00e8me a \u00e9t\u00e9 corrig\u00e9 dans les mises \u00e0 jour parse-server 5.5.2 et 6.2.1.      <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59430\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043e\u043f\u0430\u0441\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2022-24834 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0421\u0423\u0411\u0414 Redis, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430\u0445 cjson \u0438 cmsgpack \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u044f \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Lua. \u041f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 Redis 2.6 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 7.0.12, 6.2.13 \u0438 6.0.20. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0431\u0445\u043e\u0434\u043d\u043e\u0433\u043e [&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-109367","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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