Oltre 110.000 siti web che utilizzano la libreria JavaScript open source Polyfill per garantire la compatibilit\u00e0 con le versioni obsolete dei browser sono stati vittime di modifiche dannose apportate al codice della libreria dal nuovo proprietario del progetto. Un codice malevolo \u00e8 stato incorporato nella libreria, caricata sui siti attraverso il dominio cdn.polyfill.io, che reindirizza gli utenti verso siti truffaldini (come googie-anaiytics.com), scommesse e casin\u00f2 online.<\/p>\n
Il progetto Polyfill \u00e8 stato venduto a febbraio alla societ\u00e0 Funnull della Cina, che ha ottenuto accesso all'account GitHub e al sito polyfill.io. Dopo alcuni mesi dall'acquisto, il nuovo proprietario ha organizzato uno schema fraudolento di monetizzazione legato al reindirizzamento di alcuni utenti su siti dubbiosi. Il reindirizzamento avveniva con una certa probabilit\u00e0, in determinati orari e al verificarsi di condizioni, come l'apertura del sito da un dispositivo mobile e l'assenza di cookie che segnalassero che la pagina era stata aperta da un amministratore del sito. Quando veniva rilevato un sistema di web analytics sul sito, il reindirizzamento veniva ritardato di alcuni secondi per non apparire nelle statistiche di tali sistemi.<\/p>\n
\u00c8 interessante notare che il nuovo proprietario rimuove da GitHub qualsiasi reclamo che indichi attivit\u00e0 sospette o cambi di propriet\u00e0, e sembra contare sul fatto che gli utenti considerino la transizione automatica come un'iniziativa degli autori dei siti originariamente aperti.<\/p>\n
Si consiglia agli utenti di Polyfill di rimuovere il codice per il caricamento della libreria tramite l'host cdn.polyfill.io il prima possibile. Si sottolinea che, nelle attuali circostanze, non c'\u00e8 pi\u00f9 bisogno di Polyfill, poich\u00e9 tutti i principali browser supportano adeguatamente le Web API (Polyfill valuta dinamicamente l'attuale browser tramite l'intestazione User Agent e per i browser obsoleti genera funzioni con implementazioni dei metodi, propriet\u00e0 e API mancanti). <\/p>\n
Coloro che necessitano ancora di Polyfill possono utilizzare le varianti della libreria distribuite dalle aziende Fastly e Cloudflare, oppure possono utilizzare una propria server<\/a> copia locale basata sul codice presente nel repository con un fork creato dall'autore originale del progetto. Gli specchi sono stati creati a febbraio a causa di dubbi sulla correttezza del nuovo proprietario di dominio<\/a> polyfill.io. \u0411\u043e\u043b\u0435\u0435 110 \u0442\u044b\u0441\u044f\u0447 \u0441\u0430\u0439\u0442\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e JavaScript-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 Polyfill \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0441\u043e \u0441\u0442\u0430\u0440\u044b\u043c\u0438 \u0432\u0435\u0440\u0441\u0438\u044f\u043c\u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043e\u0432, \u0441\u0442\u0430\u043b\u0438 \u0436\u0435\u0440\u0442\u0432\u043e\u0439 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0432\u043d\u0435\u0441\u0451\u043d\u043d\u044b\u0445 \u0432 \u043a\u043e\u0434 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u043d\u043e\u0432\u044b\u043c \u0432\u043b\u0430\u0434\u0435\u043b\u044c\u0446\u0435\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0430. \u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443, \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u043c\u0443\u044e \u043d\u0430 \u0441\u0430\u0439\u0442\u044b \u0447\u0435\u0440\u0435\u0437 \u0434\u043e\u043c\u0435\u043d cdn.polyfill.io, \u0431\u044b\u043b \u0432\u0441\u0442\u0440\u043e\u0435\u043d \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u043a\u043e\u0434, \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043d\u0430 \u043c\u043e\u0448\u0435\u043d\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0430\u0439\u0442\u044b (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, googie-anaiytics.com), \u0431\u0443\u043a\u043c\u0435\u043a\u0435\u0440\u0441\u043a\u0438\u0435 \u043a\u043e\u043d\u0442\u043e\u0440\u044b \u0438 online-\u043a\u0430\u0437\u0438\u043d\u043e. \u041f\u0440\u043e\u0435\u043a\u0442 Polyfill \u0432 \u0444\u0435\u0432\u0440\u0430\u043b\u0435 \u0431\u044b\u043b \u043f\u0440\u043e\u0434\u0430\u043d […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116774","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Il cambio di proprietario della libreria Polyfill ha portato all'inserimento di codice malevolo in 110.000 siti | ProHoster","description":"Oltre 110.000 siti web che utilizzano la libreria JavaScript open source Polyfill per garantire la compatibilit\u00e0 con le versioni pi\u00f9 vecchie dei browser sono stati vittime di modifiche malevole apportate al codice della libreria dal nuovo proprietario del progetto. Nel codice della libreria, scaricata sui siti attraverso il dominio cdn.polyfill.io, \u00e8 stato integrato un codice malevolo che reindirizza gli utenti a siti truffaldini (come googie-anaiytics.com), bookmaker e casin\u00f2 online. 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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"