Improper Following of a Certificate's Chain of Trust Affecting thunderbird-debuginfo package, versions <0:68.10.0-1.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.51% (78th percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRDDEBUGINFO-3328140
  • published22 Feb 2023
  • disclosed9 Jul 2020

Introduced: 9 Jul 2020

CVE-2020-12421  (opens in a new tab)
CWE-296  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 thunderbird-debuginfo to version 0:68.10.0-1.amzn2 or higher.
This issue was patched in ALAS2-2023-1945.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird-debuginfo package and not the thunderbird-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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 This could have caused add-ons to become out-of-date silently without notification to the user.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

CVSS Scores

version 3.1