{"id":100280,"date":"2021-05-25T22:22:55","date_gmt":"2021-05-25T20:22:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypuski-nginx-1-21-0-i-nginx-1-20-1-s-ustraneniem-uyazvimosti"},"modified":"2021-05-25T22:22:55","modified_gmt":"2021-05-25T20:22:55","slug":"vypuski-nginx-1-21-0-i-nginx-1-20-1-s-ustraneniem-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypuski-nginx-1-21-0-i-nginx-1-20-1-s-ustraneniem-uyazvimosti","title":{"rendered":"Nginx versioonid 1.21.0 ja 1.20.1 haavatavuse parandamisega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Esitatakse uue p\u00f5hiharu nginx 1.21.0 esimene v\u00e4ljaanne, mille raames j\u00e4tkub uute v\u00f5imaluste arendamine. Samal ajal on ette valmistatud korrigeeriv v\u00e4ljaanne samal ajal toetatava stabiilse haru 1.20.1 jaoks, kus tehakse muudatusi, mis on seotud t\u00f5siste vigade ja turvahaavatavuste k\u00f5rvaldamisega. J\u00e4rgmise aasta jooksul moodustatakse p\u00f5hiharu 1.21.x baasil stabiilne haru 1.22.     <\/p>\n<p>Uutes versioonides on k\u00f5rvaldatud haavatavus (CVE-2021-23017) hostinimede lahendamise koodis DNS-is, mis v\u00f5ib viia kokkuvarisemiseni v\u00f5i potentsiaalselt r\u00fcndaja koodide t\u00e4itmiseni. Probleem ilmneb teatud DNS-serveri vastuste t\u00f6\u00f6tlemisel, mis viivad \u00fche baitiga puhver\u00fclekandeni. Haavatavus ilmneb ainult DNS-resolveri seadetes, kui see on lubatud direktiiviga &#171;resolver&#187;. R\u00fcnnaku teostamiseks peab r\u00fcndajal olema v\u00f5imalus petta DNS-serverilt saadetud UDP-pakette v\u00f5i saada kontroll DNS-serveri \u00fcle. Haavatavus on olemas alates nginxi v\u00e4ljastamisest 0.6.18. Probleemi k\u00f5rvaldamiseks vanemates versioonides v\u00f5ib kasutada plaastrit.    <\/p>\n<p>Muudatused nginx 1.21.0 versioonis, mis ei ole seotud turvalisusega:  <\/p>\n<ul>\n<li class=\"l\"> Direktiivides \u201eproxy_ssl_certificate\u201c, \u201eproxy_ssl_certificate_key\u201c, \u201egrpc_ssl_certificate\u201c, \u201egrpc_ssl_certificate_key\u201c, \u201euwsgi_ssl_certificate\u201c ja \u201euwsgi_ssl_certificate_key\u201c on lisatud muutujate tugi.\n<li class=\"l\"> Postiproksi moodulisse on lisatud &#171;pipelining&#187; tugi, et edastada mitmeid POP3 v\u00f5i IMAP p\u00e4ringuid \u00fches seoses, ning lisatud on uus direktiiv &#171;max_errors&#187;, mis m\u00e4\u00e4ratleb maksimaalse protokolli veate arvu, p\u00e4rast mida seos suletakse.\n<li class=\"l\"> Stream moodulisse on lisatud parameeter \u201efastopen\u201c, mis aktiveerib \u201eTCP Fast Open\u201c re\u017eiimi kuulavate sokettide jaoks.\n<li class=\"l\"> Probleemid eris\u00fcmbolite p\u00f5genemisega automaatse \u00fcmbersuunamise puhul, millega kaasneb l\u00f5pus kriipsu lisamine, on lahendatud.\n<li class=\"l\"> Probleem klientidega \u00fchenduste sulgemisega SMTP pipeliningu kasutamisel on lahendatud.  <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55208\">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 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043d\u043e\u0432\u043e\u0439 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.21.0, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u043d\u043e\u0432\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 1.20.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u044b\u0445 \u043e\u0448\u0438\u0431\u043e\u043a \u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0412 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u0433\u043e\u0434\u0443 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 1.21.x \u0431\u0443\u0434\u0435\u0442 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u0432\u0435\u0442\u043a\u0430 1.22. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c [&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-100280","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043d\u043e\u0432\u043e\u0439 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 nginx 1.21.0, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u043e \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 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