{"id":91158,"date":"2020-08-09T01:43:01","date_gmt":"2020-08-08T23:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-46-s-ustraneniem-uyazvimostej"},"modified":"2020-08-09T01:43:01","modified_gmt":"2020-08-08T23:43:01","slug":"reliz-http-servera-apache-2-4-46-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/reliz-http-servera-apache-2-4-46-s-ustraneniem-uyazvimostej","title":{"rendered":"Izdanje HTTP poslu\u017eitelja Apache 2.4.46 s ispravkom ranjivosti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@httpd.apache.org\/msg00146.html\">Objavljeno<\/a><\/noindex> izdanje HTTP poslu\u017eitelja Apache 2.4.46 (izdanja 2.4.44 i 2.4.45 su propu\u0161tena), koje predstavlja <noindex><a rel=\"nofollow\" href=\"http:\/\/www.apache.org\/dist\/httpd\/CHANGES_2.4.46\">17 izmjena<\/a><\/noindex> i ispravljenih <noindex><a rel=\"nofollow\" href=\"http:\/\/httpd.apache.org\/security\/vulnerabilities_24.html\">3 ranjivosti<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@httpd.apache.org\/msg00147.html\">CVE-2020-11984<\/a><\/noindex> \u2014 prelivanje baferu u modulu mod_proxy_uwsgi, koje mo\u017ee uzrokovati curenje informacija ili izvr\u0161avanje koda na poslu\u017eitelju prilikom slanja posebno oblikovane zahtjeva. Eksploatacija ranjivosti se vr\u0161i putem slanja vrlo dugog HTTP zaglavlja. Za za\u0161titu je dodana blokada zaglavlja du\u017eih od 16K (ograni\u010denje definirano u specifikaciji protokola).\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@httpd.apache.org\/msg00149.html\">CVE-2020-11993<\/a><\/noindex> \u2014 ranjivost u modulu mod_http2, koja mo\u017ee uzrokovati pad procesa prilikom slanja zahtjeva sa posebno oblikovanim HTTP\/2 zaglavljem. Problem se manifestira kada je omogu\u0107ena debug ili pra\u0107enje u modulu mod_http2 i izra\u017eava se u o\u0161te\u0107enju sadr\u017eaja memorije zbog stanja trke prilikom zadr\u017eavanja informacija u logu. Problem se ne pojavljuje kada je LogLevel postavljen na vrijednost 'info'.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@httpd.apache.org\/msg00150.html\">CVE-2020-9490<\/a><\/noindex> \u2014 ranjivost u modulu mod_http2, koja mo\u017ee uzrokovati pad procesa prilikom slanja zahtjeva putem HTTP\/2 sa posebno oblikovanom vrijedno\u0161\u0107u zaglavlja 'Cache-Digest' (pad se javlja prilikom poku\u0161aja izvr\u0161enja HTTP\/2 PUSH operacije za resurs). Za blokiranje ranjivosti mo\u017ee se koristiti postavka 'H2Push off'.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@httpd.apache.org\/msg00148.html\">CVE-2020-11985<\/a><\/noindex> \u2014 ranjivost mod_remoteip, koja omogu\u0107ava spoofing IP adresa prilikom proksiranja, koriste\u0107i mod_remoteip i mod_rewrite. Problem se manifestira samo za izdanja od 2.4.1 do 2.4.23.\n<\/ul>\n<p>Najistaknutije promjene, koje nisu vezane uz sigurnost: <\/p>\n<ul>\n<li class=\"l\"> Iz mod_http2 uklonjena podr\u0161ka za skicu specifikacije <noindex><a rel=\"nofollow\" href=\"https:\/\/datatracker.ietf.org\/doc\/draft-kazuho-h2-cache-digest\/\">kazuho-h2-cache-digest<\/a><\/noindex>, \u010dija je promocija obustavljena.\n<li class=\"l\"> Promijenjeno pona\u0161anje direktive 'LimitRequestFields' u mod_http2, postavljanje vrijednosti 0 sada isklju\u010duje ograni\u010denje.\n<li class=\"l\"> U mod_http2 omogu\u0107ena je obrada primarnih i sekundarnih (master\/secondary) veza i ozna\u010davanje metoda ovisno o upotrebi.\n<li class=\"l\"> U slu\u010daju primitka neispravnog sadr\u017eaja zaglavlja Last-Modified od FCGI\/CGI skripte, ovo zaglavlje se sada uklanja, a ne zamjenjuje za epoch vrijeme (Unix epoch).\n<li class=\"l\"> U kod je dodana funkcija ap_parse_strict_length() za strogo razdvajanje veli\u010dine sadr\u017eaja.\n<li class=\"l\"> U mod_proxy_fcgi u ProxyFCGISetEnvIf osigurano je uklanjanje varijabli okru\u017eenja, ako zadani izraz vra\u0107a False.\n<li class=\"l\"> Otklonjeno je stanje utrke i mogu\u0107e ru\u0161enje mod_ssl prilikom kori\u0161tenja korisni\u010dkog certifikata, postavljenog putem postavke SSLProxyMachineCertificateFile.\n<li class=\"l\"> Otklonjena je curenje memorije u mod_ssl.\n<li class=\"l\"> U mod_proxy_http2 omogu\u0107ena je upotreba parametra proksija '<noindex><a rel=\"nofollow\" href=\"https:\/\/httpd.apache.org\/docs\/2.4\/mod\/mod_proxy.html\">ping<\/a><\/noindex>' prilikom provjere ispravnosti novog ili ponovno kori\u0161tenog povezivanja s backendom.\n<li class=\"l\"> Prekinuto povezivanje httpd s opcijom '-lsystemd', ako je aktiviran mod_systemd.\n<li class=\"l\"> U mod_proxy_http2 osigurano je uzimanje u obzir postavke ProxyTimeout prilikom \u010dekanja na dolazne podatke putem veza s backendom.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53517\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache 2.4.46 (\u0432\u044b\u043f\u0443\u0441\u043a\u0438 2.4.44 \u0438 2.4.45 \u0431\u044b\u043b\u0438 \u043f\u0440\u043e\u043f\u0443\u0449\u0435\u043d\u044b), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 17 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 3 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2020-11984 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 mod_proxy_uwsgi, \u043a\u043e\u0442\u043e\u0440\u043e\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0438\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u043f\u0440\u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0443 \u043e\u0447\u0435\u043d\u044c \u0434\u043b\u0438\u043d\u043d\u043e\u0433\u043e HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430. \u0414\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0430 [&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-91158","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 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