{"id":101281,"date":"2021-09-16T22:22:47","date_gmt":"2021-09-16T20:22:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej"},"modified":"2021-09-16T22:22:47","modified_gmt":"2021-09-16T20:22:47","slug":"reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej","title":{"rendered":"Apache HTTP serveri 2.4.49 v\u00e4ljaanne haavatavuste parandamisega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldatud on HTTP-serveri Apache 2.4.49 versioon, mis sisaldab 27 muudatust ja 5 haavatavust.  <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-33193 \u2014 mod_http2 haavatavus uue t\u00fc\u00fcpi r\u00fcnnaku 'HTTP Request Smuggling' suhtes, mis v\u00f5imaldab saata spetsiaalselt koostatud kliendi p\u00e4ringute kaudu teiste kasutajate mod_proxy kaudu edastatavate p\u00e4ringute sisu h\u00e4irida (n\u00e4iteks v\u00f5ib saavutada pahatahtliku JavaScript-koodi sisestamise teise kasutaja seanssi).\n<li class=\"l\"> CVE-2021-40438 \u2014 SSRF-haavatavus (Server Side Request Forgery) mod_proxy'is, mis lubab spetsiaalselt koostatud uri-path p\u00e4ringu saatmise kaudu suunata p\u00e4ringud h\u00e4kkeri valitud serverisse.\n<li class=\"l\"> CVE-2021-39275 \u2014 puhver\u00fclekande haavatavus funktsioonis ap_escape_quotes. Haavatavus on m\u00e4rgistatud kui mitteohtlik, kuna k\u00f5ik standardmodulid ei edasta v\u00e4liseid andmeid sellele funktsioonile. Kuid teoreetiliselt v\u00f5ivad eksisteerida kolmandate osapoolte moodulid, mille kaudu saab r\u00fcnnaku korraldada.\n<li class=\"l\"> CVE-2021-36160 \u2014 lugemine v\u00e4ljaspool puhvri piire mod_proxy_uwsgi moodulis, mis viib kokkuvarisemiseni.\n<li class=\"l\"> CVE-2021-34798 \u2014 nullviitade dereferentsimine, mis p\u00f5hjustab protsessi kokkuvarisemise spetsiaalselt koostatud p\u00e4ringute t\u00f6\u00f6tlemisel.        <\/li>\n<\/ul>\n<p>K\u00f5ige m\u00e4rgatavamad mitteohutusega seotud muudatused:   <\/p>\n<ul>\n<li class=\"l\"> Palju sisemisi muudatusi mod_ssl\u2019is. mod_ssl\u2019ist on peamisse koodi (core) \u00fcle viidud seaded 'ssl_engine_set', 'ssl_engine_disable' ja 'ssl_proxy_enable'. Pakutakse v\u00f5imalus rakendada alternatiivseid <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2294\">SSL<\/a>-mooduleid \u00fchenduste kaitsmiseks l\u00e4bi mod_proxy. Lisatud on suletud v\u00f5tmete logimise v\u00f5imalus, mida saab kasutada wiresharkis kr\u00fcpteeritud liikluse anal\u00fc\u00fcsimiseks.\n<li class=\"l\"> mod_proxy\u2019is on kiirendatud unix socket'ite j\u00e4tke anal\u00fc\u00fcsimine, mille URL on 'proxy:'.\n<li class=\"l\"> mod_md mooduli v\u00f5imalusi, mida kasutatakse sertifikaatide automaatse hankimise ja hooldamise automatiseerimiseks ACME (Automatic Certificate Management Environment) protokolli abil, on p\u00f5hjalikult laiendatud. Domeenide \u00fcmbritsemine jutum\u00e4rkides  on lubatud ja on lisatud tugi tls-alpn-01 jaoks. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/domain\/\"   title=\"domeeninime\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"912\">domeeninime<\/a>, mis ei ole seotud virtuaalsete hostidega.\n<li class=\"l\"> On lisatud parameeter StrictHostCheck, mis keelab mittekonfigureeritud hostide nimede m\u00e4\u00e4ramise 'allow' loendi argumentide hulka.    <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55809\">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 2.4.49, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 27 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2021-33193 &#8212; \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u043d\u043e\u0441\u0442\u044c mod_http2 \u043d\u043e\u0432\u043e\u043c\u0443 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0443 \u0430\u0442\u0430\u043a\u0438 &#171;HTTP Request Smuggling&#187;, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u043c\u0443 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0432\u043a\u043b\u0438\u043d\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 mod_proxy (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e JavaScript-\u043a\u043e\u0434\u0430 \u0432 \u0441\u0435\u0430\u043d\u0441 \u0434\u0440\u0443\u0433\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0441\u0430\u0439\u0442\u0430). CVE-2021-40438 &#8212; SSRF-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (Server [&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-101281","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=\"\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 2.4.49, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 27 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2021-33193 - 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