{"id":111027,"date":"2023-10-22T03:10:14","date_gmt":"2023-10-22T01:10:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2"},"modified":"2023-10-22T03:10:14","modified_gmt":"2023-10-22T01:10:14","slug":"reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2","title":{"rendered":"Release of Apache HTTP server 2.4.58 with fixes for DoS vulnerabilities in HTTP\/2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivet er HTTP-serveren Apache 2.4.58, som pr\u00e6senterer 33 \u00e6ndringer og l\u00f8ser tre s\u00e5rbarheder, hvoraf to relaterer til muligheden for at udf\u00f8re DoS-angreb p\u00e5 systemer, der bruger HTTP\/2-protokollen.    <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-45802 \u2014 skabelse af betingelser for udt\u00f8mning af ledig hukommelse p\u00e5 grund af forsinket frigivelse af hukommelse efter nulstilling af HTTP\/2-forbindelsen med en RST-flagpakke. Da hukommelsen ikke frigives med det samme efter behandling af RST-flaget, men f\u00f8rst efter lukningen af forbindelsen, kan en angriber betydeligt \u00f8ge hukommelsesforbruget ved at sende nye anmodninger og nulstille dem med en RST-pakke, uden at lukke forbindelsen.\n<li class=\"l\"> CVE-2023-43622 \u2014 uendelig blokering af behandlingen af HTTP\/2-forbindelser, hvis de blev \u00e5bnet med en initial glidende vinduesst\u00f8rrelse p\u00e5 0. S\u00e5rbarheden kan udnyttes til at skabe en denial-of-service ved at udt\u00f8mme gr\u00e6nsen for det maksimalt tilladte antal \u00e5bne forbindelser.\n<li class=\"l\"> CVE-2023-31122 \u2014 s\u00e5rbarhed i mod_macro, som f\u00f8rer til l\u00e6sning af data fra uden for det allokerede bufferomr\u00e5de.    <\/ul>\n<p>Blandt \u00e6ndringerne, der ikke er relateret til sikkerhed:  <\/p>\n<ul>\n<li class=\"l\"> I mod_http2 er der tilf\u00f8jet underst\u00f8ttelse af at bruge WebSocket-protokollen over str\u00f8mmen i HTTP\/2-forbindelsen (RFC 8441). For at aktivere WebSocket over HTTP\/2 er direktivet 'H2WebSockets on|off' foresl\u00e5et.\n<li class=\"l\"> I mod_http2 er der tilf\u00f8jet direktivet 'H2EarlyHint name value' for at tilf\u00f8je overskrifter i svaret '103 Early Hints'.\n<li class=\"l\"> I mod_http2 er der tilf\u00f8jet direktivet 'H2ProxyRequests on|off' til at styre aktiveringen af behandlingen af anmodninger via HTTP\/2 i proxy-konfigurationen.\n<li class=\"l\"> I mod_http2 er der tilf\u00f8jet direktivet 'H2MaxDataFrameLen n' for at begr\u00e6nse den maksimale st\u00f8rrelse af svaret i bytes, der sendes i en enkelt DATA-ramme i HTTP\/2. Som standard er gr\u00e6nsen sat til 16KB.\n<li class=\"l\"> mime.types-filen er blevet opdateret, hvor udvidelsen '.js' er knyttet til typen 'text\/javascript' i stedet for 'application\/javascript', og der er tilf\u00f8jet udvidelserne: '.mjs' (med typen 'text\/javascript') og '.opus' ('audio\/ogg'). Der er tilf\u00f8jet MIME-typer og udvidelser, der anvendes i WebAssembly.\n<li class=\"l\"> Modulet mod_tls (alternativ til mod_ssl i Rust) er \u00e6ndret til at bruge rustls-ffi-biblioteket 0.9.2+.\n<li class=\"l\"> I mod_md er der tilf\u00f8jet direktivet 'MDMatchNames all|servernames' til at styre matchningen af MDomains med indholdet af VirtualHosts.\n<li class=\"l\"> I mod_md er der tilf\u00f8jet direktivet 'MDChallengeDns01Version' til at v\u00e6lge versionen af ACME-protokollen, der anvendes ved verifikation via DNS.\n<li class=\"l\"> I mod_md er brugen af direktivet MDChallengeDns01 tilladt for enkeltst\u00e5ende. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/domain\/\"   title=\"dom\u00e6ner\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3178\">dom\u00e6ner<\/a>.\n<li class=\"l\"> I mod_dav er der tilf\u00f8jet direktivet 'DavBasePath' til konfiguration af stien til roden af WebDav-repositoriet.\n<li class=\"l\"> I mod_alias er der tilf\u00f8jet direktivet 'AliasPreservePath' til at bruge som den fulde sti til v\u00e6rdien Alias i Location-blokken.\n<li class=\"l\"> I mod_alias er der tilf\u00f8jet direktivet 'RedirectRelative', som tillader omdirigering ved hj\u00e6lp af relative stier.\n<li class=\"l\"> Formatparametrene %{z} og %{strftime-format} er blevet tilf\u00f8jet til direktivet ErrorLogFormat.\n<li class=\"l\"> I mod_deflate er der tilf\u00f8jet en direktiv &#8216;DeflateAlterETag&#8217; for at styre \u00e6ndringen af ETag ved brug af komprimering.\n<li class=\"l\"> Ydelsen af funktionen send_brigade_nonblocking() er optimeret.\n<li class=\"l\"> I mod_status er der garanteret fjernelse af duplikerede n\u00f8gler &#171;BusyWorkers&#187; og &#171;IdleWorkers&#187;, og der er tilf\u00f8jet en ny t\u00e6ller &#171;GracefulWorkers&#187;.         <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59971\">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 2.4.58, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 33 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0434\u0432\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0432\u044f\u0437\u0430\u043d\u044b \u0441 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u044f DoS-\u0430\u0442\u0430\u043a\u0438 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b HTTP\/2. CVE-2023-45802 &#8212; \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0434\u043b\u044f \u0438\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438\u0437-\u0437\u0430 \u043e\u0442\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0441\u0431\u0440\u043e\u0441\u0430 \u043f\u043e\u0442\u043e\u043a\u0430 HTTP\/2 \u043f\u0430\u043a\u0435\u0442\u043e\u043c \u0441 \u0444\u043b\u0430\u0433\u043e\u043c RST. \u0422\u0430\u043a \u043a\u0430\u043a \u043f\u0430\u043c\u044f\u0442\u044c \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0430\u0435\u0442\u0441\u044f \u043d\u0435 \u0441\u0440\u0430\u0437\u0443 \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\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-111027","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 2.4.58, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 33 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, 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