Alert GCSA-20119 - Aggiornamento di sicurezza per Mozilla Firefox e Thunderbird

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alert ID: GCSA-20119
data: 17 dicembre 2020
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 nelle segnalazioni
ufficiali alla sezione "Riferimenti".


:: Software interessato

Firefox versioni precedenti alla 84
Firefox ESR versioni precedenti alla 78.6
Thunderbird versioni precedenti alla 78.6


:: Impatto

Esecuzione remota di codice arbitrario (RCE)
https://cwe.mitre.org/data/definitions/94.html

Bypass delle funzionalita' di sicurezza (SFB)

Accesso a dati riservati (ID)
https://cwe.mitre.org/data/definitions/200.html

Provide Misleading Information (spoofing)

Denial of Service (DoS)
https://cwe.mitre.org/data/definitions/400.html


:: Soluzioni

Aggiornare Firefox alle ultime versioni

Firefox 84
Firefox ESR 78.6

https://www.mozilla.org/it/firefox/new/
https://www.mozilla.org/it/firefox/download/thanks/
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 78.6

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/mfsa2020-54/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-55/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-56/

What's new in Firefox - Release Notes
https://www.mozilla.org/en-US/firefox/84.0/releasenotes/

Thunderbird - Release Notes
https://www.thunderbird.net/en-US/thunderbird/78.6.0/releasenotes/

Ubuntu Security Notice
https://ubuntu.com/security/notices/USN-4671-1

Debian Security Advisory
https://www.debian.org/security/2020/dsa-4813
https://www.debian.org/security/2020/dsa-4815
https://www.debian.org/lts/security/2020/dla-2496

Red Hat Security Advisory
https://access.redhat.com/errata/RHSA-2020:5561
https://access.redhat.com/errata/RHSA-2020:5562
https://access.redhat.com/errata/RHSA-2020:5563
https://access.redhat.com/errata/RHSA-2020:5564
https://access.redhat.com/errata/RHSA-2020:5565

Threatpost
https://threatpost.com/firefox-patches-critical-mystery-bug-also-impacting-google-chrome/162294/

I riferimenti Mitre CVE sono disponibili nell'advisory originale.


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

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