{"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\/it\/blog\/news\/uyazvimost-v-proksi-servere-squid-pozvolyayushhaya-obojti-ogranicheniya-dostupa","title":{"rendered":"Vulnerabilit\u00e0 nel server proxy Squid che consente di bypassare le restrizioni di accesso","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\">Rivelati<\/a><\/noindex> informazioni sulle vulnerabilit\u00e0 nel server proxy <noindex><a rel=\"nofollow\" href=\"http:\/\/www.squid-cache.org\/\">Squid<\/a><\/noindex>, che sono stati rimossi senza creare scalpore gi\u00e0 lo scorso anno con il rilascio di Squid 4.8. I problemi sono presenti nel codice di gestione del blocco &#171;@&#187; all'inizio dell'URL (&#171;user@host&#187;) e consentono di aggirare le regole di accesso, inviare contenuti dalla cache e effettuare attacchi tramite scripting intersito.<\/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> &#8212; il cliente, utilizzando un URL appositamente formattato, pu\u00f2 aggirare le regole stabilite mediante la direttiva url_regex e ottenere informazioni riservate sul proxy e sul traffico trattato (accedere all'interfaccia 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> &#8212; manipolando i dati del nome utente nell'URL, \u00e8 possibile ottenere la memorizzazione nella cache di contenuti falsi per una determinata pagina, che ad esempio, pu\u00f2 essere utilizzata per eseguire il proprio codice JavaScript nel contesto di altri siti.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 5.0.1.1 - 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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