Alert GCSA-21094 - Aggiornamento di sicurezza per Mozilla Firefox e Thunderbird

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   alert ID: GCSA-21094
       data: 08 settembre 2021
     titolo: Aggiornamento di sicurezza per Mozilla Firefox e Thunderbird

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:: Descrizione del problema

   Mozilla ha rilasciato nuove versioni del browser Firefox
   e del client di posta Thunderbird con le quali risolve
   varie vulnerabilita', alcune di livello critico.

   Maggiori informazioni sono disponibili alla sezione "Riferimenti".


:: Software interessato

   Firefox versioni precedenti alla 92
   Firefox ESR versioni precedenti alla 78.14
   Firefox ESR versioni precedenti alla 91.1

   Thunderbird versioni precedenti alla 78.14
   Thunderbird versioni precedenti alla 91.1


:: Impatto

   Esecuzione remota di codice arbitrario (RCE)
   Denial of Service (DoS)
   Bypass delle funzionalita' di sicurezza (SFB)
   Provide Misleading Information (spoofing)


:: Soluzioni

   Aggiornare Firefox alle ultime versioni

   Firefox 92
   Firefox ESR 78.14
   Firefox ESR 91.1

   https://www.mozilla.org/it/firefox/new/
   https://www.mozilla.org/en-US/firefox/all/#product-desktop-release
   https://www.mozilla.org/en-US/firefox/organizations/
   https://support.mozilla.org/en-US/kb/update-firefox-latest-release

   Aggiornare Thunderbird all'ultima versione

   Thunderbird 78.14
   Thunderbird 91.1

   https://support.mozilla.org/it/kb/aggiornamento-di-thunderbird
   https://www.mozilla.org/it/thunderbird/
   https://www.thunderbird.net/en-US/thunderbird/all/


:: Riferimenti

   Mozilla Foundation Security Advisory
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-38/
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-39/
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-40/
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-41/
   https://www.mozilla.org/en-US/security/advisories/mfsa2021-42/

   What's new in Firefox - Release Notes
   https://www.mozilla.org/en-US/firefox/92.0/releasenotes/

   Thunderbird - Release Notes
   https://www.thunderbird.net/en-US/thunderbird/91.1.0/releasenotes/

   Mitre CVE
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38495
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38494
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38493
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38492
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38491
   https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29993


GARR CERT Security Alert - subscribe/unsubscribe:
http://www.cert.garr.it/alert/ricevi-gli-alert-di-cert
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