{"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\/pl\/blog\/news\/uyazvimost-v-proksi-servere-squid-pozvolyayushhaya-obojti-ogranicheniya-dostupa","title":{"rendered":"Vulnerability in the Squid proxy server that allows bypassing access restrictions","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\">Odkryto<\/a><\/noindex> informacje o podatno\u015bciach w serwerze proxy <noindex><a rel=\"nofollow\" href=\"http:\/\/www.squid-cache.org\/\">Squid<\/a><\/noindex>, kt\u00f3re bez zb\u0119dnego rozg\u0142osu zosta\u0142y usuni\u0119te ju\u017c w zesz\u0142ym roku w wersji Squid 4.8. Problemy te wyst\u0119puj\u0105 w kodzie przetwarzania bloku \u201e@\u201d na pocz\u0105tku URL (\u201euser@host\u201d) i pozwalaj\u0105 na obej\u015bcie zasad ograniczenia dost\u0119pu, wysy\u0142anie zawarto\u015bci do pami\u0119ci podr\u0119cznej oraz przeprowadzanie ataku z wykorzystaniem skrypt\u00f3w mi\u0119dzystronowych.<\/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 klient przy pomocy specjalnie sformatowanego URL mo\u017ce obej\u015b\u0107 zasady okre\u015blone za pomoc\u0105 dyrektywy url_regex i uzyska\u0107 poufne informacje o proxy oraz przetwarzanym ruchu (zyska\u0107 dost\u0119p do interfejsu 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 poprzez manipulacj\u0119 danymi dotycz\u0105cymi nazwy u\u017cytkownika w URL mo\u017cna osi\u0105gn\u0105\u0107 zapisanie w pami\u0119ci podr\u0119cznej fikcyjnej zawarto\u015bci dla okre\u015blonej strony, co na przyk\u0142ad mo\u017ce by\u0107 u\u017cyte do uruchomienia w\u0142asnego kodu JavaScript w kontek\u015bcie innych stron.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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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