{"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\/de\/blog\/news\/reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej","title":{"rendered":"Ver\u00f6ffentlichung des http-Servers Apache 2.4.49 mit der Behebung von Sicherheitsanf\u00e4lligkeiten.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Der HTTP-Server Apache 2.4.49 wurde ver\u00f6ffentlicht, der 27 \u00c4nderungen und 5 Sicherheitsanf\u00e4lligkeiten behebt:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-33193 \u2014 Anf\u00e4lligkeit von mod_http2 gegen\u00fcber einer neuen Variante des Angriffs \u201eHTTP Request Smuggling\u201c, die es erm\u00f6glicht, \u00fcber speziell gestaltete Client-Anfragen in den Inhalt anderer Benutzeranfragen, die \u00fcber mod_proxy \u00fcbermittelt werden, einzudringen (zum Beispiel kann die Einspeisung von sch\u00e4dlichem JavaScript-Code in die Sitzung eines anderen Benutzers auf der Website erreicht werden).\n<li class=\"l\"> CVE-2021-40438 \u2014 SSRF-Sicherheitsanf\u00e4lligkeit (Server Side Request Forgery) in mod_proxy, die es erm\u00f6glicht, \u00fcber die sendung eines speziell gestalteten URI-Pfades die Anfrage auf einen vom Angreifer ausgew\u00e4hlten Server umzuleiten.\n<li class=\"l\"> CVE-2021-39275 \u2014 Puffer\u00fcberlauf in der Funktion ap_escape_quotes. Die Sicherheitsanf\u00e4lligkeit wird als ungef\u00e4hrlich eingestuft, da alle standardm\u00e4\u00dfigen Module keine externen Daten an diese Funktion \u00fcbergeben. Theoretisch ist es jedoch m\u00f6glich, dass es Drittanbieter-Module gibt, \u00fcber die ein Angriff durchgef\u00fchrt werden kann.\n<li class=\"l\"> CVE-2021-36160 \u2014 Lesen aus dem Bereich au\u00dferhalb der Puffergrenzen im Modul mod_proxy_uwsgi, was zu einem Absturz f\u00fchrt.\n<li class=\"l\"> CVE-2021-34798 \u2014 Dereferenzierung eines Nullzeigers, was zu einem Prozessabsturz bei der Verarbeitung speziell gestalteter Anfragen f\u00fchrt.        <\/li>\n<\/ul>\n<p>Die auff\u00e4lligsten \u00c4nderungen, die nicht mit Sicherheit zu tun haben:   <\/p>\n<ul>\n<li class=\"l\"> Es wurden zahlreiche interne \u00c4nderungen in mod_ssl vorgenommen. Die Einstellungen \u201essl_engine_set\u201c, \u201essl_engine_disable\u201c und \u201essl_proxy_enable\u201c wurden von mod_ssl in den Core-Bereich \u00fcbertragen. Es wurde die M\u00f6glichkeit geschaffen, alternative <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2294\">SSL<\/a>-Module zum Schutz von Verbindungen \u00fcber mod_proxy wurde hinzugef\u00fcgt. Es wurde die M\u00f6glichkeit geschaffen, ein Protokoll f\u00fcr geschlossene Schl\u00fcssel zu f\u00fchren, das in Wireshark zur Analyse des verschl\u00fcsselten Traffics verwendet werden kann.\n<li class=\"l\"> In mod_proxy wurde die Analyse von Pfaden mit Unix-Sockets, die in der URL \u201eproxy:\u201c \u00fcbermittelt werden, beschleunigt.\n<li class=\"l\"> Die M\u00f6glichkeiten des Moduls mod_md, das zur Automatisierung der Erlangung und Verwaltung von Zertifikaten unter Verwendung des ACME-Protokolls (Automatic Certificate Management Environment) dient, wurden erweitert. Es wurde das Einrahmen von Domains in  erlaubt und die Unterst\u00fctzung von tls-alpn-01 bereitgestellt f\u00fcr <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/domain\/\"   title=\"Domainnamen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"912\">Domainnamen<\/a>, die nicht an virtuelle Hosts gebunden sind.\n<li class=\"l\"> Ein neuer Parameter StrictHostCheck wurde hinzugef\u00fcgt, um die Angabe nicht konfigurierter Hostnamen in der Liste der \u201eallow\u201c-Argumente zu verweigern.    <\/ul>\n<p>Quelle: <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 5.0.1.1 - 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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