{"id":78493,"date":"2020-04-19T19:42:00","date_gmt":"2020-04-19T17:42:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-proksi-servere-squid-pozvolyayushhaya-obojti-ogranicheniya-dostupa"},"modified":"2020-04-19T19:42:00","modified_gmt":"2020-04-19T17:42:00","slug":"uyazvimost-v-proksi-servere-squid-pozvolyayushhaya-obojti-ogranicheniya-dostupa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimost-v-proksi-servere-squid-pozvolyayushhaya-obojti-ogranicheniya-dostupa","title":{"rendered":"Vuln\u00e9rabilit\u00e9 dans le serveur proxy Squid, permettant de contourner les restrictions d'acc\u00e8s","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/squid-announce@lists.squid-cache.org\/msg00107.html\">D\u00e9voil\u00e9<\/a><\/noindex> informations sur les vuln\u00e9rabilit\u00e9s du serveur proxy <noindex><a rel=\"nofollow\" href=\"http:\/\/www.squid-cache.org\/\">Squid<\/a><\/noindex>, qui ont \u00e9t\u00e9 discr\u00e8tement corrig\u00e9s l'ann\u00e9e derni\u00e8re avec la sortie de Squid 4.8. Les probl\u00e8mes se trouvent dans le code de traitement du bloc \u00ab @ \u00bb au d\u00e9but de l'URL (\u00ab user@host \u00bb) et permettent de contourner les r\u00e8gles de restriction d'acc\u00e8s, d'injecter du contenu dans le cache et de mener des attaques par script intersite.<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2019-12524\">CVE-2019-12524<\/a><\/noindex> \u2014 le client peut, \u00e0 l'aide d'une URL sp\u00e9cialement format\u00e9e, contourner les r\u00e8gles d\u00e9finies par la directive url_regex et acc\u00e9der \u00e0 des informations confidentielles sur le proxy et le trafic trait\u00e9 (obtenir l'acc\u00e8s \u00e0 l'interface Cache Manager).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2019-12520\">CVE-2019-12520<\/a><\/noindex> \u2014 par manipulation des donn\u00e9es du nom d'utilisateur dans l'URL, il est possible de sauvegarder dans le cache un contenu fictif pour une page donn\u00e9e, ce qui peut par exemple \u00eatre utilis\u00e9 pour ex\u00e9cuter son propre code JavaScript dans le contexte d'autres sites.\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=52765\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u043f\u0440\u043e\u043a\u0441\u0438-\u0441\u0435\u0440\u0432\u0435\u0440\u0435 Squid, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u0435\u0437 \u043b\u0438\u0448\u043d\u0435\u0439 \u043e\u0433\u043b\u0430\u0441\u043a\u0438 \u0431\u044b\u043b\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0435\u0449\u0451 \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Squid 4.8. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0442 \u0432 \u043a\u043e\u0434\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u043b\u043e\u043a\u0430 &#171;@&#187; \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 URL (&#171;user@host&#187;) \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043e\u0431\u043e\u0439\u0442\u0438 \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430, \u043e\u0442\u0440\u0430\u0432\u0438\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043a\u044d\u0448\u0430 \u0438 \u0441\u043e\u0432\u0435\u0440\u0448\u0430\u0442\u044c \u0430\u0442\u0430\u043a\u0443 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043c\u0435\u0436\u0441\u0430\u0439\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u043a\u0440\u0438\u043f\u0442\u0438\u043d\u0433\u0430. CVE-2019-12524 &#8212; \u043a\u043b\u0438\u0435\u043d\u0442 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\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-78493","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=\"\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 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