{"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\/nl\/blog\/news\/reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej","title":{"rendered":"Release van de http-server Apache 2.4.49 met verhelpen van kwetsbaarheden.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De release van HTTP-server Apache 2.4.49 is gepubliceerd, met 27 wijzigingen en 5 kwetsbaarheden verholpen:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-33193 \u2014 kwetsbaarheid van mod_http2 voor een nieuwe variant van de aanval 'HTTP Request Smuggling', waardoor door het verzenden van speciaal geconfigureerde clientaanvragen toegang kan worden verkregen tot de inhoud van de verzoeken van andere gebruikers die via mod_proxy worden verzonden (bijvoorbeeld kan kwaadaardige JavaScript-code in de sessie van een andere gebruiker van de site worden ingesloten).\n<li class=\"l\"> CVE-2021-40438 \u2014 SSRF-kwetsbaarheid (Server Side Request Forgery) in mod_proxy, waardoor door het verzenden van een speciaal geconfigureerde uri-pad aanvraag het verzoek kan worden omgeleid naar een server die door de aanvaller is gekozen.\n<li class=\"l\"> CVE-2021-39275 \u2014 buffer overflow in de functie ap_escape_quotes. De kwetsbaarheid is gemarkeerd als niet gevaarlijk, aangezien alle standaardmodules geen externe gegevens naar deze functie doorgeven. Maar theoretisch kunnen er externe modules zijn waardoor een aanval mogelijk is.\n<li class=\"l\"> CVE-2021-36160 \u2014 lezen buiten de buffergrenzen in de mod_proxy_uwsgi-module, wat leidt tot een crash.\n<li class=\"l\"> CVE-2021-34798 \u2014 dereferentie van een null pointer, wat leidt tot een crash van het proces bij het verwerken van speciaal geconfigureerde verzoeken.        <\/li>\n<\/ul>\n<p>De meest opvallende wijzigingen die niet met beveiliging te maken hebben:   <\/p>\n<ul>\n<li class=\"l\"> Er zijn veel interne wijzigingen in mod_ssl. Instellingen zoals 'ssl_engine_set', 'ssl_engine_disable' en 'ssl_proxy_enable' zijn van mod_ssl naar de hoofdcomponent (core) verplaatst. De mogelijkheid om alternatieven toe te passen is geboden. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2294\">SSL<\/a>-modules voor de beveiliging van verbindingen via mod_proxy te gebruiken. Er is een logboek van gesloten sleutels toegevoegd, dat kan worden gebruikt in wireshark voor de analyse van versleuteld verkeer.\n<li class=\"l\"> In mod_proxy is de interpretatie van paden met unix socket, die in URL 'proxy:' worden doorgegeven, versneld.\n<li class=\"l\"> De mogelijkheden van de mod_md-module, gebruikt voor de automatisering van het verkrijgen en onderhouden van certificaten met behulp van het ACME (Automatic Certificate Management Environment) protocol, zijn uitgebreid. Het is nu toegestaan om domeinen te omringen met aanhalingstekens in  en er is ondersteuning voor tls-alpn-01 geboden voor. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/domain\/\"   title=\"domeinnamen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"912\">domeinnamen<\/a>, niet gekoppeld aan virtuele hosts.\n<li class=\"l\"> De parameter StrictHostCheck is toegevoegd, die het opgeven van niet-geconfigureerde hostnamen in de argumentenlijst 'allow' verbiedt.    <\/ul>\n<p>Bron: <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 5.0.3 - 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 2.4.49, \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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