CVE-2019-11727
"Firefox NSS PKCS#1 v1.5 TLS 1.3 Signature Signing Vulnerability"
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.
INFO
Published Date :
July 23, 2019, 2:15 p.m.
Last Modified :
July 30, 2019, 11:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2019-11727 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2019-11727.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-11727 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-11727 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Jan. 12, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 06, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 05, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 04, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html [No Types Assigned] -
CVE Modified by [email protected]
Aug. 15, 2019
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201908-12 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 30, 2019
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2019:1951 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 26, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1552208 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1552208 Issue Tracking, Permissions Required, Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2019-21/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2019-21/ Vendor Advisory Added CWE CWE-295 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 68.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-11727 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2019-11727
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.65 }} 0.04%
score
0.79510
percentile