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MFSA2019-28 Thunderbird: Security vulnerabilities fixed in Thunderbird 68 (CVE-2019-11727)

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MFSA2019-28 Thunderbird: Security vulnerabilities fixed in Thunderbird 68 (CVE-2019-11727)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
07/23/2019
Created
09/12/2019
Added
09/11/2019
Modified
09/11/2019

Description

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.

Solution(s)

  • mozilla-thunderbird-upgrade-68_0

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