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

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

******************************************************************

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

******************************************************************

:: 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
-----BEGIN PGP SIGNATURE-----

iF0EARECAB0WIQTGpdiR5MqstacBGHbBnEyTZRJgQgUCYTjC2gAKCRDBnEyTZRJg
QkQsAJ9wsCOXgVsfiXFnsAQsY01s5Kgv0wCZAcfG4z1p6x2COyIQ/pakY+Uwgp8=
=Bnub
-----END PGP SIGNATURE-----