{"id":99452,"date":"2021-03-16T22:22:42","date_gmt":"2021-03-16T20:22:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-tor-s-ustraneniem-uyazvimostej"},"modified":"2021-03-16T22:22:42","modified_gmt":"2021-03-16T20:22:42","slug":"obnovlenie-tor-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-tor-s-ustraneniem-uyazvimostej","title":{"rendered":"Aktualizace Tor se zabezpe\u010den\u00edm proti zranitelnostem","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byly p\u0159edstaveny opravn\u00e9 verze n\u00e1stroje Tor (0.3.5.14, 0.4.4.8, 0.4.5.7), kter\u00fd se pou\u017e\u00edv\u00e1 k organizaci anonymn\u00ed s\u00edt\u011b Tor. V nov\u00fdch verz\u00edch byly odstran\u011bny dv\u011b zranitelnosti, kter\u00e9 lze vyu\u017e\u00edt k proveden\u00ed DoS \u00fatok\u016f na uzly s\u00edt\u011b Tor:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-28089 \u2014 \u00fato\u010dn\u00edk m\u016f\u017ee zp\u016fsobit odm\u00edtnut\u00ed slu\u017eby pro libovoln\u00e9 uzly a klienty Tor t\u00edm, \u017ee vytvo\u0159\u00ed velk\u00e9 zat\u00ed\u017een\u00ed CPU, kter\u00e9 vznik\u00e1 p\u0159i zpracov\u00e1n\u00ed ur\u010dit\u00fdch typ\u016f dat. Nejv\u011bt\u0161\u00ed nebezpe\u010d\u00ed p\u0159edstavuje zranitelnost pro rel\u00e9 a <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"servery\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1571\">servery<\/a> autority adres\u00e1\u0159\u016f (Directory Authority), kter\u00e9 jsou p\u0159\u00edstupov\u00fdmi body do s\u00edt\u011b, odpov\u00eddaj\u00ed za ov\u011b\u0159ov\u00e1n\u00ed a p\u0159ed\u00e1v\u00e1n\u00ed seznamu br\u00e1n u\u017eivateli, kte\u0159\u00ed zpracov\u00e1vaj\u00ed provoz. Nejjednodu\u0161\u0161\u00ed je za\u00fato\u010dit na servery adres\u00e1\u0159\u016f, proto\u017ee umo\u017e\u0148uj\u00ed v\u0161em \u00fa\u010dastn\u00edk\u016fm stahovat data. Proti relay a klient\u016fm lze \u00fatok organizovat prost\u0159ednictv\u00edm stahov\u00e1n\u00ed cache adres\u00e1\u0159\u016f.\n<li class=\"l\"> CVE-2021-28090 \u2014 \u00fato\u010dn\u00edk m\u016f\u017ee zp\u016fsobit p\u00e1d <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-los-angeles\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3699\">serveru<\/a> adres\u00e1\u0159\u016f prost\u0159ednictv\u00edm p\u0159ed\u00e1n\u00ed specificky form\u00e1tovan\u00fdch odpojen\u00fdch podpis\u016f (detached signature), kter\u00e9 se pou\u017e\u00edvaj\u00ed k p\u0159ed\u00e1v\u00e1n\u00ed informac\u00ed o stavu konsensu v s\u00edti.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54768\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Tor (0.3.5.14, 0.4.4.8, 0.4.5.7), \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 Tor. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u044f DoS-\u0430\u0442\u0430\u043a \u043d\u0430 \u0443\u0437\u043b\u044b \u0441\u0435\u0442\u0438 Tor: CVE-2021-28089 &#8212; \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043b\u044e\u0431\u044b\u0445 \u0443\u0437\u043b\u043e\u0432 \u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 Tor \u0447\u0435\u0440\u0435\u0437 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0431\u043e\u043b\u044c\u0448\u043e\u0439 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043d\u0430 CPU, \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0449\u0435\u0439 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445. [&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-99452","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f Tor (0.3.5.14, 0.4.4.8, 0.4.5.7), \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 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p\u0159edstaveny opravn\u00e9 verze n\u00e1stroje Tor (0.3.5.14, 0.4.4.8, 0.4.5.7), kter\u00fd se pou\u017e\u00edv\u00e1 k organizaci anonymn\u00ed s\u00edt\u011b Tor.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-tor-s-ustraneniem-uyazvimostej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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 \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Tor \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | 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