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Red Hat: CVE-2019-11727: CVE-2019-11727 nss: PKCS#1 v1.5 signatures can be used for TLS 1.3 (Multiple Advisories)

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Red Hat: CVE-2019-11727: CVE-2019-11727 nss: PKCS#1 v1.5 signatures can be used for TLS 1.3 (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
07/23/2019
Created
07/31/2019
Added
07/31/2019
Modified
12/15/2023

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)

  • redhat-upgrade-nspr
  • redhat-upgrade-nspr-debuginfo
  • redhat-upgrade-nspr-debugsource
  • redhat-upgrade-nspr-devel
  • redhat-upgrade-nss
  • redhat-upgrade-nss-debuginfo
  • redhat-upgrade-nss-debugsource
  • redhat-upgrade-nss-devel
  • redhat-upgrade-nss-pkcs11-devel
  • redhat-upgrade-nss-softokn
  • redhat-upgrade-nss-softokn-debuginfo
  • redhat-upgrade-nss-softokn-devel
  • redhat-upgrade-nss-softokn-freebl
  • redhat-upgrade-nss-softokn-freebl-debuginfo
  • redhat-upgrade-nss-softokn-freebl-devel
  • redhat-upgrade-nss-sysinit
  • redhat-upgrade-nss-sysinit-debuginfo
  • redhat-upgrade-nss-tools
  • redhat-upgrade-nss-tools-debuginfo
  • redhat-upgrade-nss-util
  • redhat-upgrade-nss-util-debuginfo
  • redhat-upgrade-nss-util-devel

References

  • CVE-2019-11727
  • RHSA-2019:1951
  • RHSA-2020:4076

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