{"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\/sl\/blog\/news\/reliz-http-servera-apache-2-4-46-s-ustraneniem-uyazvimostej","title":{"rendered":"Izid http stre\u017enika Apache 2.4.46 z odpravo ranljivosti","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-servera Apache 2.4.46 (izdanja 2.4.44 i 2.4.45 su propu\u0161tena), koji je predstavio <noindex><a rel=\"nofollow\" href=\"http:\/\/www.apache.org\/dist\/httpd\/CHANGES_2.4.46\">17 promena<\/a><\/noindex> i ispravljena <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 povecanje bafera u modulu mod_proxy_uwsgi, \u0161to mo\u017ee dovesti do curenja informacija ili izvr\u0161avanja koda na serveru prilikom slanja posebno oblikovanog zahteva. Eksploatacija ranjivosti se vr\u0161i kroz prenos vrlo dugog HTTP zaglavlja. Za za\u0161titu je dodato blokiranje zaglavlja du\u017eih od 16K (ograni\u010denje definisano 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 izazvati pad procesa prilikom slanja zahteva sa posebno oblikovanim HTTP\/2 zaglavljem. Problem se manifestuje kada je uklju\u010deno debagovanje ili pra\u0107enje u modulu mod_http2 i izra\u017eava se u o\u0161te\u0107enju sadr\u017eaja memorije zbog stanja trke prilikom \u010duvanja informacija u logu. Problem se ne manifestuje kada je LogLevel postavljen na vrednost \u201einfo\u201c.\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 omogu\u0107ava pad procesa prilikom slanja HTTP\/2 zahteva sa posebno oblikovanom vredno\u0161\u0107u zaglavlja \u2018Cache-Digest\u2019 (pad se javlja prilikom poku\u0161aja izvr\u0161avanja operacije HTTP\/2 PUSH za resurs). Za blokiranje ranjivosti mo\u017ee se koristiti postavka \u201eH2Push off\u201c.\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 proxy-ing, koriste\u0107i mod_remoteip i mod_rewrite. Problem se manifestuje samo za verzije od 2.4.1 do 2.4.23.\n<\/ul>\n<p>Najistaknutije izmjene 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>, \u010dije je unapre\u0111enje prekinuto.\n<li class=\"l\"> Promenjeno pona\u0161anje direktive \u201eLimitRequestFields\u201c u mod_http2, postavljanje vrednosti 0 sada isklju\u010duje ograni\u010denje.\n<li class=\"l\"> U mod_http2 obezbe\u0111ena je obrada glavnih i sporednih (master\/secondary) konekcija i ozna\u010davanje metoda u zavisnosti od kori\u0161\u0107enja.\n<li class=\"l\"> U slu\u010daju dobijanja nepravilnog sadr\u017eaja zaglavlja Last-Modified od FCGI\/CGI skripte, ovo zaglavlje se sada uklanja, a ne zamenjuje vremenom iz epohe (Unix epoch).\n<li class=\"l\"> U kod je dodata funkcija ap_parse_strict_length() za strogo razumevanje veli\u010dine sadr\u017eaja.\n<li class=\"l\"> U mod_proxy_fcgi u ProxyFCGISetEnvIf obezbe\u0111eno je uklanjanje promenljivih okru\u017eenja, ako dati izraz vra\u0107a False.\n<li class=\"l\"> Uklonjeno stanje trke i mogu\u0107e ru\u0161enje mod_ssl prilikom kori\u0161\u0107enja klijent sertifikata, postavljenog putem pode\u0161avanja SSLProxyMachineCertificateFile.\n<li class=\"l\"> Uklonjeno curenje memorije u mod_ssl.\n<li class=\"l\"> U mod_proxy_http2 obezbe\u0111eno kori\u0161\u0107enje proxy parametra \u201e<noindex><a rel=\"nofollow\" href=\"https:\/\/httpd.apache.org\/docs\/2.4\/mod\/mod_proxy.html\">ping<\/a><\/noindex>\u201c prilikom provere funkcionisanja nove ili ponovo kori\u0161\u0107ene veze sa backend-om.\n<li class=\"l\"> Prekinuto povezivanje httpd sa opcijom \u201e-lsystemd\u201c, ako je aktiviran mod_systemd.\n<li class=\"l\"> V mod_proxy_http2 je upo\u0161tevana nastavitev ProxyTimeout pri \u010dakanju na vhodne podatke preko povezav z 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 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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