Use of a Broken or Risky Cryptographic Algorithm Affecting nss-softokn-freebl package, versions <0:3.44.0-7.el8_0
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Test your applications- Snyk ID SNYK-RHEL8-NSSSOFTOKNFREEBL-3442068
- published 26 Jul 2021
- disclosed 9 Jul 2019
Introduced: 9 Jul 2019
CVE-2019-11727 Open this link in a new tabHow to fix?
Upgrade RHEL:8 nss-softokn-freebl to version 0:3.44.0-7.el8_0 or higher.
This issue was patched in RHSA-2019:1951.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nss-softokn-freebl package and not the nss-softokn-freebl package as distributed by RHEL.
See How to fix? for RHEL:8 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.
References
- https://access.redhat.com/security/cve/CVE-2019-11727
- https://security.gentoo.org/glsa/201908-12
- https://bugzilla.mozilla.org/show_bug.cgi?id=1552208
- https://www.mozilla.org/security/advisories/mfsa2019-21/
- https://access.redhat.com/errata/RHSA-2019:1951
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html