CVE-2020-12421

CVE Details

Release Date:	2020-07-09
Impact:	None	What is this?

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 This could have caused add-ons to become out-of-date silently without notification to the user.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.

See more information about CVE-2020-12421 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	6.5
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	High
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (firefox)	ELSA-2020-2824	2020-07-07
Oracle Linux version 6 (thunderbird)	ELSA-2020-2966	2020-07-17
Oracle Linux version 7 (firefox)	ELSA-2020-2827	2020-07-07
Oracle Linux version 7 (thunderbird)	ELSA-2020-2906	2020-07-14
Oracle Linux version 8 (firefox)	ELSA-2020-2828	2020-07-08
Oracle Linux version 8 (thunderbird)	ELSA-2020-3038	2020-07-22