{"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\/sv\/blog\/news\/reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2","title":{"rendered":"Utg\u00e5van av http-servern Apache 2.4.58 med \u00e5tg\u00e4rder mot DoS-s\u00e5rbarheter i HTTP\/2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utgivet en release av HTTP-servern Apache 2.4.58, som inneh\u00e5ller 33 \u00e4ndringar och \u00e5tg\u00e4rdar tre s\u00e5rbarheter, tv\u00e5 av dem relaterade till m\u00f6jligheten att utf\u00f6ra en DoS-attack p\u00e5 system som anv\u00e4nder HTTP\/2-protokollet.    <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-45802 \u2014 skapande av f\u00f6rh\u00e5llanden f\u00f6r utt\u00f6mning av ledigt minne p\u00e5 grund av f\u00f6rsenad frig\u00f6ring av minne efter HTTP\/2-str\u00f6mmens RST-paket. Eftersom minnet inte frig\u00f6rs omedelbart efter att RST-flaggan har behandlats, utan f\u00f6rst efter att anslutningen har st\u00e4ngts, kan en angripare avsev\u00e4rt \u00f6ka minnesanv\u00e4ndningen genom att skicka nya f\u00f6rfr\u00e5gningar och \u00e5terst\u00e4lla dem med RST-paket utan att st\u00e4nga anslutningen.\n<li class=\"l\"> CVE-2023-43622 \u2014 o\u00e4ndlig blockering av hantering av HTTP\/2-anslutning, om den \u00f6ppnades med ett initialt storleksf\u00f6nster satt till 0. S\u00e5rbarheten kan utnyttjas f\u00f6r att orsaka en \u00f6verbelastning genom att utt\u00f6mma begr\u00e4nsningen f\u00f6r det maximalt till\u00e5tna antalet \u00f6ppna anslutningar.\n<li class=\"l\"> CVE-2023-31122 \u2014 s\u00e5rbarhet i mod_macro som leder till l\u00e4sning av data fr\u00e5n omr\u00e5de utanf\u00f6r den tilldelade bufferten.    <\/ul>\n<p>Bland \u00e4ndringarna som inte r\u00f6r s\u00e4kerhet:  <\/p>\n<ul>\n<li class=\"l\"> I mod_http2 har st\u00f6d f\u00f6r anv\u00e4ndning av WebSocket-protokollet \u00f6ver str\u00f6mmen i HTTP\/2-anslutningen (RFC 8441) lagts till. F\u00f6r att aktivera WebSocket \u00f6ver HTTP\/2 f\u00f6resl\u00e5s direktivet 'H2WebSockets on|off'.\n<li class=\"l\"> I mod_http2 har direktivet 'H2EarlyHint name value' lagts till f\u00f6r att l\u00e4gga till rubriker i svar som '103 Early Hints'.\n<li class=\"l\"> I mod_http2 har direktivet 'H2ProxyRequests on|off' lagts till f\u00f6r att styra aktiveringen av bearbetning av f\u00f6rfr\u00e5gningar via HTTP\/2-protokollet i proxykonfigurationen.\n<li class=\"l\"> I mod_http2 har direktivet 'H2MaxDataFrameLen n' lagts till f\u00f6r att begr\u00e4nsa den maximala storleken p\u00e5 svarskroppen i byte, som \u00f6verf\u00f6rs i en DATA-ram i HTTP\/2. Standardgr\u00e4nsen \u00e4r satt till 16 KB.\n<li class=\"l\"> Mime.types-filen har uppdaterats, d\u00e4r filtill\u00e4gget '.js' har kopplats till typen 'text\/javascript' ist\u00e4llet f\u00f6r 'application\/javascript', och till\u00e4ggen '.mjs' (med typen 'text\/javascript') och '.opus' ('audio\/ogg') har lagts till. MIME-typer och till\u00e4gg som anv\u00e4nds i WebAssembly har lagts till.\n<li class=\"l\"> Modulen mod_tls (alternativ till mod_ssl i Rust) har bytt till att anv\u00e4nda rustls-ffi-biblioteket version 0.9.2+.\n<li class=\"l\"> I mod_md har direktivet 'MDMatchNames all|servernames' lagts till f\u00f6r att styra mappningen av MDomains till inneh\u00e5llet i VirtualHosts.\n<li class=\"l\"> I mod_md har direktivet 'MDChallengeDns01Version' lagts till f\u00f6r att v\u00e4lja versionen av ACME-protokollet som anv\u00e4nds vid verifiering via DNS.\n<li class=\"l\"> I mod_md har anv\u00e4ndning av direktivet MDChallengeDns01 till\u00e5tits f\u00f6r individuella <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/domain\/\"   title=\"dom\u00e4ner\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3178\">dom\u00e4ner<\/a>.\n<li class=\"l\"> I mod_dav har direktivet 'DavBasePath' lagts till f\u00f6r att konfigurera s\u00f6kv\u00e4gen till roten av WebDav-repositoriet.\n<li class=\"l\"> I mod_alias har direktivet 'AliasPreservePath' lagts till f\u00f6r att anv\u00e4nda v\u00e4rdet f\u00f6r Alias i Location-blocket som en full s\u00f6kv\u00e4g.\n<li class=\"l\"> I mod_alias har direktivet 'RedirectRelative' lagts till, vilket till\u00e5ter omdirigering med hj\u00e4lp av relativa s\u00f6kv\u00e4gar.\n<li class=\"l\"> I direktivet ErrorLogFormat har format-specifikatorerna %{z} och %{strftime-format} lagts till.\n<li class=\"l\"> I mod_deflate har direktivet 'DeflateAlterETag' lagts till f\u00f6r att hantera \u00e4ndringen av ETag vid anv\u00e4ndning av kompression.\n<li class=\"l\"> Prestandan f\u00f6r funktionen send_brigade_nonblocking() har optimerats.\n<li class=\"l\"> I mod_status har duplicerade nycklar 'BusyWorkers' och 'IdleWorkers' tagits bort, och en ny r\u00e4knare 'GracefulWorkers' har lagts till.         <\/ul>\n<p>K\u00e4lla: <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 5.0.4 - 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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s\u00e5rbarheter \u00e5tg\u00e4rdade, varav tv\u00e5 relaterar till m\u00f6jligheten att utf\u00f6ra DoS-attacker mot system som anv\u00e4nder protokollet HTTP\/2.","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","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 2.4.58 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c 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