{"id":104356,"date":"2022-06-11T15:36:47","date_gmt":"2022-06-11T13:36:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-54-s-ustraneniem-uyazvimostej"},"modified":"2022-06-11T15:36:47","modified_gmt":"2022-06-11T13:36:47","slug":"reliz-http-servera-apache-2-4-54-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-http-servera-apache-2-4-54-s-ustraneniem-uyazvimostej","title":{"rendered":"Vyd\u00e1n\u00ed http serveru Apache 2.4.54 s odstran\u011bn\u00edm zranitelnost\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl uvoln\u011bn Apache HTTP server 2.4.53, kter\u00fd obsahuje 19 zm\u011bn a opravuje 8 zranitelnost\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-31813 \u2014 zranitelnost v mod_proxy, kter\u00e1 umo\u017e\u0148uje zablokovat odes\u00edl\u00e1n\u00ed hlavi\u010dek X-Forwarded-* s informacemi o IP adrese, odkud poch\u00e1zely p\u016fvodn\u00ed po\u017eadavky. Tato chyba m\u016f\u017ee b\u00fdt vyu\u017eita k obch\u00e1zen\u00ed p\u0159\u00edstupov\u00fdch omezen\u00ed podle IP adres.\n<li class=\"l\"> CVE-2022-30556 \u2014 zranitelnost v mod_lua, kter\u00e1 umo\u017e\u0148uje p\u0159\u00edstup k dat\u016fm mimo vyhrazen\u00fd buffer prost\u0159ednictv\u00edm manipulace s funkc\u00ed r:wsread() v Lua skriptech.\n<li class=\"l\"> CVE-2022-30522 \u2014 DoS (vy\u010derp\u00e1n\u00ed dostupn\u00e9 pam\u011bti) p\u0159i zpracov\u00e1n\u00ed ur\u010dit\u00fdch dat modulem mod_sed.\n<li class=\"l\"> CVE-2022-29404 \u2014 DoS v mod_lua, kter\u00e1 je zneu\u017eiteln\u00e1 prost\u0159ednictv\u00edm odes\u00edl\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch po\u017eadavk\u016f Lua handler\u016fm, kter\u00e9 pou\u017e\u00edvaj\u00ed vol\u00e1n\u00ed r:parsebody(0).\n<li class=\"l\"> CVE-2022-28615, CVE-2022-28614 \u2014 DoS nebo z\u00edsk\u00e1n\u00ed p\u0159\u00edstupu k dat\u016fm v pam\u011bti procesu kv\u016fli chyb\u00e1m ve funkc\u00edch ap_strcmp_match() a ap_rwrite(), kter\u00e9 vedou k \u010dten\u00ed z oblasti mimo buffer.\n<li class=\"l\"> CVE-2022-28330 \u2014 \u00fanik informac\u00ed z oblast\u00ed mimo hranice bufferu v mod_isapi (probl\u00e9m se projevuje pouze na platform\u011b Windows).\n<li class=\"l\"> CVE-2022-26377 \u2014 modul mod_proxy_ajp je n\u00e1chyln\u00fd k \u00fatok\u016fm t\u0159\u00eddy \u201eHTTP Request Smuggling\u201c na syst\u00e9my frontend-backend, co\u017e umo\u017e\u0148uje zasahovat do obsahu po\u017eadavk\u016f dal\u0161\u00edch u\u017eivatel\u016f, kter\u00e9 jsou zpracov\u00e1v\u00e1ny ve stejn\u00e9m vl\u00e1kn\u011b mezi frontendem a backendem.         <\/ul>\n<p>Nejv\u00fdznamn\u011bj\u0161\u00ed zm\u011bny, kter\u00e9 nejsou spojeny s bezpe\u010dnost\u00ed:   <\/p>\n<ul>\n<li class=\"l\"> V mod_ssl byla zaji\u0161t\u011bna kompatibilita re\u017eimu SSLFIPS s OpenSSL 3.0.\n<li class=\"l\"> V utilit\u011b ab byla implementov\u00e1na podpora TLSv1.3 (vy\u017eaduje propojen\u00ed s <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2306\">SSL<\/a>-knihovnou, kter\u00e1 tento protokol podporuje).\n<li class=\"l\"> V mod_md v direktiv\u011b MDCertificateAuthority je povoleno pou\u017eit\u00ed v\u00edce ne\u017e jednoho n\u00e1zvu a URL certifika\u010dn\u00ed autority. Byly p\u0159id\u00e1ny nov\u00e9 direktivy: MDRetryDelay (ur\u010duje zpo\u017ed\u011bn\u00ed p\u0159ed odesl\u00e1n\u00edm op\u011btovn\u00e9ho po\u017eadavku) a MDRetryFailover (ur\u010duje po\u010det opakov\u00e1n\u00ed p\u0159i selh\u00e1n\u00ed p\u0159ed volbou alternativn\u00ed certifika\u010dn\u00ed autority). Byla p\u0159id\u00e1na podpora stavu \u201eauto\u201c p\u0159i v\u00fdstupu hodnot v form\u00e1tu \u201ekey: value\u201c. Byla poskytnuta mo\u017enost spr\u00e1vy certifik\u00e1t\u016f pro u\u017eivatele zabezpe\u010den\u00e9. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"217\">VPN<\/a>-s\u00edt\u011b Tailscale.\n<li class=\"l\"> Byla vy\u010di\u0161t\u011bna modulu mod_http2 od nepou\u017e\u00edvan\u00e9ho a nebezpe\u010dn\u00e9ho k\u00f3du.\n<li class=\"l\"> V mod_proxy bylo zaji\u0161t\u011bno zrcadlen\u00ed s\u00ed\u0165ov\u00e9ho portu back-endu v chybov\u00fdch hl\u00e1\u0161en\u00edch zapisovan\u00fdch do logu.\n<li class=\"l\"> V mod_heartmonitor byla zm\u011bn\u011bna hodnota parametru HeartbeatMaxServers z 0 na 10 (inicializace 10 slot\u016f sd\u00edlen\u00e9 pam\u011bti).    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57334\">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 2.4.53, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 19 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2022-31813 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 mod_proxy, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u043e\u0432 X-Forwarded-* \u0441 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0435\u0439 \u043e\u0431 IP-\u0430\u0434\u0440\u0435\u0441\u0435, \u0441 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043f\u043e\u0441\u0442\u0443\u043f\u0438\u043b \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u044b\u0445 \u0437\u0430\u043f\u0440\u043e\u0441. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u043e\u0431\u0445\u043e\u0434\u0430 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043f\u043e IP-\u0430\u0434\u0440\u0435\u0441\u0430\u043c. CVE-2022-30556 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 mod_lua, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u043c\u0438 [&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-104356","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=\"\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 2.4.53, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 19 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2022-31813 - 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zranitelnost v mod_proxy, kter\u00e1 umo\u017e\u0148uje blokov\u00e1n\u00ed odes\u00edl\u00e1n\u00ed hlavi\u010dek.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-http-servera-apache-2-4-54-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\u0420\u0435\u043b\u0438\u0437 http-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache 2.4.54 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | ProHoster","og:description":"\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 2.4.53, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 19 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 8 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2022-31813 - 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