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Ubuntu: (Multiple Advisories) (CVE-2019-11727): Firefox vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2019-11727): Firefox vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
07/09/2019
Created
07/15/2019
Added
07/13/2019
Modified
03/22/2023

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)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-libnss3

References

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