{"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\/it\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2","title":{"rendered":"Pubblicata la versione 2.4.58 del server HTTP Apache, con correzioni per le vulnerabilit\u00e0 DoS in HTTP\/2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata rilasciata la versione 2.4.58 del server HTTP Apache, che include 33 modifiche e risolve tre vulnerabilit\u00e0, due delle quali sono collegate a potenziali attacchi DoS su sistemi che utilizzano il protocollo HTTP\/2.    <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-45802 \u2014 creazione di condizioni per il consumo della memoria libera a causa del rilascio ritardato della memoria dopo il ripristino di un flusso HTTP\/2 con pacchetto di flag RST. Poich\u00e9 la memoria non viene liberata immediatamente dopo il trattamento del flag RST, ma solo dopo la chiusura della connessione, un attaccante pu\u00f2 aumentare significativamente il consumo di memoria inviando nuove richieste e ripristinandole con un pacchetto RST, senza per\u00f2 chiudere la connessione.\n<li class=\"l\"> CVE-2023-43622 \u2014 blocco infinito del trattamento delle connessioni HTTP\/2 se aperto con una dimensione iniziale della finestra scorrevole impostata a 0. Questa vulnerabilit\u00e0 pu\u00f2 essere sfruttata per organizzare un attacco di denial of service tramite l'esaurimento del limite massimo consentito di connessioni aperte.\n<li class=\"l\"> CVE-2023-31122 \u2014 vulnerabilit\u00e0 in mod_macro che porta alla lettura dei dati al di fuori dell'area di memoria allocata.    <\/ul>\n<p>Tra le modifiche non relative alla sicurezza:  <\/p>\n<ul>\n<li class=\"l\"> In mod_http2 \u00e8 stata aggiunta la supporto per l'uso del protocollo WebSocket sopra il flusso in una connessione HTTP\/2 (RFC 8441). Per abilitare WebSocket sopra HTTP\/2 \u00e8 stata proposta la direttiva 'H2WebSockets on|off'.\n<li class=\"l\"> In mod_http2 \u00e8 stata aggiunta la direttiva 'H2EarlyHint name value' per aggiungere intestazioni alla risposta '103 Early Hints'.\n<li class=\"l\"> In mod_http2 \u00e8 stata aggiunta la direttiva 'H2ProxyRequests on|off' per gestire l'attivazione del trattamento delle richieste tramite protocollo HTTP\/2 nella configurazione del proxy.\n<li class=\"l\"> In mod_http2 \u00e8 stata aggiunta la direttiva 'H2MaxDataFrameLen n' per limitare la dimensione massima del corpo della risposta in byte, trasmesso in un singolo frame DATA in HTTP\/2. Il limite predefinito \u00e8 impostato a 16 KB.\n<li class=\"l\"> Il file mime.types \u00e8 stato aggiornato, in cui l'estensione '.js' \u00e8 associata al tipo 'text\/javascript' invece di 'application\/javascript' e sono state aggiunte le estensioni: '.mjs' (con tipo 'text\/javascript') e '.opus' ('audio\/ogg'). Sono stati aggiunti tipi MIME ed estensioni utilizzati in WebAssembly.\n<li class=\"l\"> Il modulo mod_tls (alternativa a mod_ssl scritto in Rust) \u00e8 stato adattato per utilizzare la libreria rustls-ffi 0.9.2+.\n<li class=\"l\"> Nel modulo mod_md \u00e8 stata aggiunta la direttiva 'MDMatchNames all|servernames' per gestire l'associazione dei MDomains con il contenuto dei VirtualHosts.\n<li class=\"l\"> Nel modulo mod_md \u00e8 stata aggiunta la direttiva 'MDChallengeDns01Version' per selezionare la versione del protocollo ACME utilizzata durante la verifica tramite DNS.\n<li class=\"l\"> Nel mod_md \u00e8 consentito l'uso della direttiva MDChallengeDns01 per singoli <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/domain\/\"   title=\"domini\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3178\">domini<\/a>.\n<li class=\"l\"> In mod_dav \u00e8 stata aggiunta la direttiva 'DavBasePath' per configurare il percorso della radice del repository WebDav.\n<li class=\"l\"> In mod_alias \u00e8 stata aggiunta la direttiva 'AliasPreservePath' per utilizzare come percorso completo il valore di Alias nel blocco Location.\n<li class=\"l\"> In mod_alias \u00e8 stata aggiunta la direttiva 'RedirectRelative', che consente il reindirizzamento utilizzando percorsi relativi.\n<li class=\"l\"> Nella direttiva ErrorLogFormat sono stati aggiunti i specificatori di formato %{z} e %{strftime-format}.\n<li class=\"l\"> In mod_deflate \u00e8 stata aggiunta la direttiva 'DeflateAlterETag' per gestire la modifica dell'ETag quando si utilizza la compressione.\n<li class=\"l\"> \u00c8 stata ottimizzata la performance della funzione send_brigade_nonblocking().\n<li class=\"l\"> In mod_status \u00e8 stata garantita l'eliminazione dei duplicati delle chiavi 'BusyWorkers' e 'IdleWorkers', ed \u00e8 stato aggiunto un nuovo contatore 'GracefulWorkers'.         <\/ul>\n<p>Fonte: <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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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 2.4.58, \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. 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CVE-2023-45802 - \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\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-58-s-ustraneniem-dos-uyazvimostej-v-http-2\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2023-10-22T01:10:14+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-10-22T01:10:14+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Rilascio del server HTTP Apache 2.4.58 con risoluzione delle vulnerabilit\u00e0 DoS in HTTP\/2 | ProHoster","description":"\u00c8 stato pubblicato il rilascio del server HTTP Apache 2.4.58, che include 33 modifiche e risolve tre vulnerabilit\u00e0, due delle quali sono legate alla possibilit\u00e0 di attacchi DoS su sistemi che utilizzano il protocollo HTTP\/2. CVE-2023-45802 - condizioni che portano all'esaurimento della memoria disponibile a causa del rilascio ritardato della memoria dopo il reset di un flusso HTTP\/2 con pacchetto flag RST. Poich\u00e9 la memoria non viene liberata immediatamente dopo l'elaborazione.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/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":"it_IT","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 DoS-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 HTTP\/2 | 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 2.4.58, \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. 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