CVE-2018-12384
NSS SSLv2 ClientHello Malleability
Description
When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.
INFO
Published Date :
April 29, 2019, 3:29 p.m.
Last Modified :
Aug. 24, 2020, 5:37 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2018-12384 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-2018-12384.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384 | Issue Tracking Vendor Advisory |
| https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html |
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).
script to manage ca-certificates.
Shell Python Perl
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-12384 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-12384 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 -
CWE Remap by [email protected]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-254 CWE-335 -
CVE Modified by [email protected]
Oct. 16, 2019
Action Type Old Value New Value Added Reference https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html [No Types Assigned] -
Initial Analysis by [email protected]
May. 03, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-12384 Issue Tracking, Vendor Advisory Added CWE CWE-254 Added CPE Configuration OR *cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:* versions up to (excluding) 3.39
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-12384 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-2018-12384
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.28 }} 3.18%
score
0.91431
percentile