Alert GCSA-21130 - Aggiornamento di sicurezza per Mozilla Firefox e Thunderbird

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alert ID: GCSA-21130
data: 09 dicembre 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 95
Firefox ESR versioni precedenti alla 91.4.0

Thunderbird versioni precedenti alla 91.4.0


:: Impatto

Esecuzione remota di codice arbitrario (RCE)
Denial of Service (DoS)
Bypass delle funzionalita' di sicurezza (SFB)
Cross-Site Scripting (XSS)
Provide Misleading Information (spoofing)
Accesso a dati riservati (ID)


:: Soluzioni

Aggiornare Firefox alle ultime versioni

Firefox 95
Firefox ESR 91.4.0

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 91.4.0

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/mfsa2021-54/
https://www.mozilla.org/en-US/security/advisories/mfsa2021-53/
https://www.mozilla.org/en-US/security/advisories/mfsa2021-52/

What's new in Firefox - Release Notes
https://www.mozilla.org/en-US/firefox/95.0/releasenotes/

Thunderbird - Release Notes
https://www.thunderbird.net/en-US/thunderbird/91.4.0/releasenotes/

RedHat Advisory
https://access.redhat.com/errata/RHSA-2021:5013
https://access.redhat.com/errata/RHSA-2021:5014
https://access.redhat.com/errata/RHSA-2021:5015
https://access.redhat.com/errata/RHSA-2021:5016
https://access.redhat.com/errata/RHSA-2021:5017

Mitre CVE
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43546
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43545
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43543
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43542
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43541
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43539
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43538
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43537
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43536
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43528

SecurityWeek
https://www.securityweek.com/firefox-95-rolls-out-new-isolation-feature-rlbox


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