{"id":32934,"date":"2019-10-31T21:49:47","date_gmt":"2019-10-31T18:49:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla\/"},"modified":"2019-10-31T21:49:47","modified_gmt":"2019-10-31T18:49:47","slug":"vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla","title":{"rendered":"Tutti i componenti aggiuntivi di Firefox sono stati disabilitati a causa della scadenza del certificato Mozilla","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Azienda Mozilla <noindex><a rel=\"nofollow\" href=\"https:\/\/discourse.mozilla.org\/t\/certificate-issue-causing-add-ons-to-be-disabled-or-fail-to-install\/39047\">ha avvisato<\/a><\/noindex> sulla comparsa di estensioni di massa <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.mozilla.org\/show_bug.cgi?id=1548973\">di problemi<\/a><\/noindex> con aggiunte a Firefox. Tutti gli utenti del browser si sono trovati le estensioni bloccate a causa della scadenza del certificato utilizzato per la creazione delle firme digitali. Inoltre, si segnala l'impossibilit\u00e0 di installare nuove estensioni dal catalogo ufficiale <noindex><a rel=\"nofollow\" href=\"https:\/\/addons.mozilla.org\">AMO<\/a><\/noindex> (addons.mozilla.org). <\/p>\n<p>Finora non \u00e8 stata trovata una soluzione <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/mozilla\/addons\/issues\/978\">per la situazione attuale<\/a><\/noindex>, gli sviluppatori di Mozilla stanno considerando possibili modi per risolvere il problema e si sono limitati per ora a una conferma generale della situazione emersa. Si menziona solo che le estensioni sono diventate inattive dopo la mezzanotte (UTC) del 4 maggio. Il certificato avrebbe dovuto essere aggiornato una settimana fa, ma per qualche motivo ci\u00f2 non \u00e8 avvenuto e questo fatto \u00e8 passato inosservato. Ora, dopo pochi minuti dall'avvio del browser, viene visualizzato un avviso riguardo alla disattivazione delle estensioni a causa di problemi con la firma digitale e le estensioni scompaiono dall'elenco. La verifica della firma digitale avviene una volta al giorno o dopo l'avvio del browser, quindi in alcune istanze di Firefox avviate da tempo le estensioni potrebbero disattivarsi non immediatamente.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/pics_base\/0_1556949603.png\"><img decoding=\"async\" alt=\"Tutti i componenti aggiuntivi di Firefox sono stati disabilitati a causa della scadenza del certificato Mozilla\" src=\"\/wp-content\/uploads\/2019\/05\/85f93c4c1dacbe0ea56f12b0ef571156.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Come soluzione alternativa per ripristinare l'accesso alle estensioni per gli utenti Linux, \u00e8 possibile disabilitare il controllo della firma digitale impostando in about:config la variabile \u00abxpinstall.signatures.required\u00bb su \u00abfalse\u00bb. Questo metodo funziona solo su Linux e Android per le versioni stabili e beta; per Windows e macOS, tale manipolazione \u00e8 possibile solo nelle build notturne e nella versione per sviluppatori (Developer Edition). In alternativa, \u00e8 possibile anche modificare il valore dell'orologio di sistema per un momento antecedente alla scadenza del certificato, consentendo cos\u00ec di reinstallare le estensioni dal catalogo AMO; tuttavia, il flag di disabilitazione gi\u00e0 impostato non viene annullato.<\/p>\n<p>Ricordiamo che la verifica obbligatoria delle estensioni di Firefox tramite firme digitali \u00e8 stata <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43722\">introdotta<\/a><\/noindex> ad aprile 2016. Secondo Mozilla, la verifica tramite firma digitale consente di bloccare la distribuzione di estensioni malevole e di tracciamento degli utenti. Alcuni sviluppatori di estensioni  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43398\">non sono d'accordo<\/a><\/noindex> Con questa posizione, si ritiene che il meccanismo di verifica obbligatoria tramite firma digitale crei solo difficolt\u00e0 per gli sviluppatori e porti a un incremento del tempo necessario per fornire agli utenti le versioni correttive, senza nulla cambiare in termini di sicurezza. Ci sono molte soluzioni banali e ovvie <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/dstillman\/amo-validator-bypass\">per bypassare il sistema di verifica automatizzata delle estensioni, consentendo di inserire silenziosamente codice dannoso, ad esempio, attraverso la formazione di un'operazione al volo combinando diverse stringhe con l'esecuzione della stringa risultante tramite eval. La posizione di Mozilla<\/a><\/noindex> si riduce <noindex><a rel=\"nofollow\" href=\"http:\/\/danstillman.com\/2015\/11\/23\/firefox-extension-scanning-is-security-theater\">al fatto che la maggior parte degli autori di estensioni dannose \u00e8 pigra e non ricorrer\u00e0 a tali tecniche di occultamento dell'attivit\u00e0 dannosa.<\/a><\/noindex> Nota: Gli sviluppatori di Mozilla <\/p>\n<p>hanno avviato i test per la correzione, che sar\u00e0 fornita agli utenti nel prossimo futuro se la verifica sar\u00e0 positiva (la decisione di applicare la correzione proposta non \u00e8 stata ancora presa). Fino all'applicazione della correzione, la formazione delle firme digitali per le nuove estensioni \u00e8 disabilitata. <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/mozamo\/status\/1124558124457680896\">hanno comunicato<\/a><\/noindex> Mozilla ha avvisato della comparsa di un evento di massa.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50623\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0430 \u043e \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0438 \u043c\u0430\u0441\u0441\u043e\u0432\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f\u043c\u0438 \u043a Firefox. \u0423 \u0432\u0441\u0435\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c\u0438 \u0438\u0437-\u0437\u0430 \u0438\u0441\u0442\u0435\u0447\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0436\u0438\u0437\u043d\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u043d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043d\u043e\u0432\u044b\u0445 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u0438\u0437 \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 AMO (addons.mozilla.org). \u0412\u044b\u0445\u043e\u0434 \u0438\u0437 \u0441\u043b\u043e\u0436\u0438\u0432\u0448\u0435\u0439\u0441\u044f \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u043f\u043e\u043a\u0430 \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Mozilla \u043e\u0431\u0434\u0443\u043c\u044b\u0432\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043f\u043e\u043a\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-32934","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0430 \u043e \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0438 \u043c\u0430\u0441\u0441\u043e\u0432\u044b\u0445.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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