CVEvulnerability
CVE-2019-11727
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-07-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.3 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-295
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.
Affected configurations
• mozilla firefox (< 68.0)
Related
Weakness · CWE (1)
- CWE-295 Improper Certificate Validation weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html lists.opensuse.org
- https://access.redhat.com/errata/RHSA-2019:1951 access.redhat.com
- https://bugzilla.mozilla.org/show_bug.cgi?id=1552208 Issue Tracking, Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12 security.gentoo.org
- https://www.mozilla.org/security/advisories/mfsa2019-21/ Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html lists.opensuse.org
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html lists.opensuse.org
- https://access.redhat.com/errata/RHSA-2019:1951 access.redhat.com
- https://bugzilla.mozilla.org/show_bug.cgi?id=1552208 Issue Tracking, Permissions Required, Vendor Advisory
- https://security.gentoo.org/glsa/201908-12 security.gentoo.org
- https://www.mozilla.org/security/advisories/mfsa2019-21/ Vendor Advisory