Homepage

Improper Certificate Validation Affecting MozillaThunderbird package, versions <68.1.1-3.51.1

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.92% (83rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-SLES151-MOZILLATHUNDERBIRD-2732148
  • published14 Apr 2022
  • disclosed2 Oct 2019
Report a new vulnerability Found a mistake?

Introduced: 2 Oct 2019

CVE-2019-11727  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 MozillaThunderbird to version 68.1.1-3.51.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream MozillaThunderbird package and not the MozillaThunderbird package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.