CVE-2019-11727

CVE Details

Release Date:

2019-07-23

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.

See more information about CVE-2019-11727 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	5.3	Base Metrics:	AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	None
Integrity Impact:	Low	Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (nspr)	ELSA-2020-4076	2020-10-08
Oracle Linux version 7 (nss)	ELSA-2020-4076	2020-10-08
Oracle Linux version 7 (nss-softokn)	ELSA-2020-4076	2020-10-08
Oracle Linux version 7 (nss-util)	ELSA-2020-4076	2020-10-08
Oracle Linux version 8 (nspr)	ELSA-2019-1951	2019-08-05
Oracle Linux version 8 (nss)	ELSA-2019-1951	2019-08-05

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team