CVE-2020-12421

Published: Jul 9, 2020Modified: Nov 21, 2024

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

Affected (7)

Products: Mozilla: Firefox, Firefox Esr, Thunderbird · Canonical: Ubuntu Linux

3 products

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 78.0
Mozilla Firefox Esr	Before 68.10.0
Mozilla Thunderbird	Before 68.10.0

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 19.10
Canonical Ubuntu Linux	Version 20.04

Related CWEs

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

References (22)

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html

Source: security@mozilla.org

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html

Source: security@mozilla.org

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html

Source: security@mozilla.org

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html

Source: security@mozilla.org

Broken Link

https://bugzilla.mozilla.org/show_bug.cgi?id=1308251

Source: security@mozilla.org

Issue TrackingVendor Advisory

https://security.gentoo.org/glsa/202007-09

Source: security@mozilla.org

Third Party Advisory

https://security.gentoo.org/glsa/202007-10

Source: security@mozilla.org

Third Party Advisory

https://usn.ubuntu.com/4421-1/

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2020-24/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-25/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-26/

Source: security@mozilla.org

Vendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html

Source: af854a3a-2127-422b-91ae-364da2661108

Broken Link

https://bugzilla.mozilla.org/show_bug.cgi?id=1308251

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingVendor Advisory

https://security.gentoo.org/glsa/202007-09

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://security.gentoo.org/glsa/202007-10

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://usn.ubuntu.com/4421-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2020-24/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-25/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2020-26/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.