{"id":119766,"date":"2024-09-12T03:43:01","date_gmt":"2024-09-12T01:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/popytka-polucheniya-tls-sertifikatov-dlya-chuzhih-domenov-mobi-ispolzuya-prosrochennyj-domen-s-whois-servisom"},"modified":"2024-09-12T03:43:01","modified_gmt":"2024-09-12T01:43:01","slug":"popytka-polucheniya-tls-sertifikatov-dlya-chuzhih-domenov-mobi-ispolzuya-prosrochennyj-domen-s-whois-servisom","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/popytka-polucheniya-tls-sertifikatov-dlya-chuzhih-domenov-mobi-ispolzuya-prosrochennyj-domen-s-whois-servisom","title":{"rendered":"Tentativo di ottenere certificati TLS per domini estranei mobi, utilizzando un dominio scaduto con servizio WHOIS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I ricercatori della watchTowr Labs hanno pubblicato i risultati di un esperimento sul vecchio servizio WHOIS del registrar del dominio .MOBI. L'indagine \u00e8 stata motivata dal fatto che il registrar ha cambiato l'indirizzo del servizio WHOIS, spostandolo dal dominio whois.dotmobiregistry.net al nuovo host whois.nic.mobi. Il dominio dotmobiregistry.net \u00e8 stato dismesso e, a dicembre 2023, \u00e8 stato reso disponibile per la registrazione.    <\/p>\n<p>I ricercatori hanno speso 20 dollari e hanno acquistato questo dominio, dopo di che hanno avviato sul loro server il proprio servizio WHOIS fittizio whois.dotmobiregistry.net. Ha sorpreso il fatto che molti sistemi non si siano passati al nuovo host whois.nic.mobi e continuassero a utilizzare il vecchio nome. Dal 30 agosto al 4 settembre di quest'anno sono state registrate 2,5 milioni di richieste sul vecchio nome, inviate da oltre 135 mila sistemi unici.     <\/p>\n<p>Tra i mittenti delle richieste c'erano server di <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"servers\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1970\">servers<\/a> organizzazioni governative e militari, che controllavano i domini figuranti nelle email tramite WHOIS, specializzandosi nella sicurezza aziendale e nelle piattaforme di sicurezza (VirusTotal, Group-IB), cos\u00ec come autorit\u00e0 di certificazione, servizi di verifica dei domini, servizi SEO e registrar di domini (ad esempio, domain.com, godaddy.com, who.is, whois.ru, smallseo.tools, seocheki.net, centralops.net, name.com, urlscan.io e webchart.org).      <\/p>\n<p>La possibilit\u00e0 di inviare qualsiasi dato in risposta a una richiesta al vecchio servizio WHOIS del dominio .MOBI \u00e8 stata utilizzata per sviluppare diversi tipi di attacchi agli invii di richieste. La prima variante dell'attacco si basava sull'ipotesi che, se qualcuno continua a inviare richieste a un servizio da tempo sostituito, probabilmente lo fa utilizzando strumenti obsoleti contenenti vulnerabilit\u00e0.     <\/p>\n<p>Ad esempio, in phpWHOIS nel 2015 \u00e8 stata scoperta una vulnerabilit\u00e0 CVE-2015-5243, che permetteva di eseguire codice malevolo durante l'analisi di dati appositamente formattati restituiti dal server WHOIS. Un altro esempio \u00e8 la vulnerabilit\u00e0 CVE-2021-32749 scoperta nel 2021 nel pacchetto Fail2Ban, che consentiva l'esecuzione di codice esterno quando venivano restituiti dati errati dal servizio WHOIS utilizzato nel processo di generazione di avvisi di blocco (Fail2Ban identificava tramite WHOIS l'email dell'amministratore dell'hosting e la indicava durante l'esecuzione del comando mail senza adeguata escape dei caratteri speciali).    <\/p>\n<p>Il secondo attacco si basa sul fatto che alcuni centri di certificazione offrono la possibilit\u00e0 di verificare la propriet\u00e0 del dominio tramite email, indicata nel database del registrar disponibile attraverso il protocollo WHOIS. Si \u00e8 scoperto che diversi centri di certificazione che supportano questo metodo di verifica continuano a utilizzare il vecchio server WHOIS per il dominio .MOBI.     <\/p>\n<p>Pertanto, ottenendo il controllo sul nome whois.dotmobiregistry.net, gli attaccanti possono restituire i propri dati, eseguire la verifica e ottenere <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/ssl-sertifikat\/\"   title=\"certificato TLS\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"946\">certificato TLS<\/a> per qualsiasi dominio nella zona .MOBI. Ad esempio, durante l'esperimento i ricercatori hanno richiesto al registrar GlobalSign un certificato TLS per il dominio microsoft.mobi e l'email restituita dal falso servizio WHOIS 'whois@watchTowr.com' \u00e8 stata mostrata nell'interfaccia come disponibile per l'invio del codice di conferma di propriet\u00e0 del dominio.       <center><img decoding=\"async\" alt=\"Tentativo di ottenere certificati TLS per domini estranei mobi, utilizzando un dominio scaduto con servizio WHOIS\" src=\"\/wp-content\/uploads\/2024\/09\/2f642bc104438ee5f0885721eea42ac5.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61849\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 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WHOIS-\u0441\u0435\u0440\u0432\u0438\u0441\u0430, \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u0432 \u0435\u0433\u043e \u0441 \u0434\u043e\u043c\u0435\u043d\u0430 whois.dotmobiregistry.net \u043d\u0430 \u043d\u043e\u0432\u044b\u0439 \u0445\u043e\u0441\u0442 whois.nic.mobi. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0434\u043e\u043c\u0435\u043d dotmobiregistry.net \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0438 \u0432 \u0434\u0435\u043a\u0430\u0431\u0440\u0435 2023 \u0433\u043e\u0434\u0430 \u0431\u044b\u043b \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d \u0438 \u0441\u0442\u0430\u043b \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0434\u043b\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043f\u043e\u0442\u0440\u0430\u0442\u0438\u043b\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":119767,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119766","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 watchTowr Labs \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430 \u0441 \u0437\u0430\u0445\u0432\u0430\u0442\u043e\u043c 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