CVE-2020-7452
FreeBSD epair Virtual Network Kernel PanIC with Privileged User
Description
In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, and 11.3-RELEASE before 11.3-RELEASE-p7, incorrect use of a user-controlled pointer in the epair virtual network module allowed vnet jailed privileged users to panic the host system and potentially execute arbitrary code in the kernel.
INFO
Published Date :
April 29, 2020, 12:15 a.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
6.0
Exploitability Score :
2.3
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-2020-7452.
| URL | Resource |
|---|---|
| https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.asc | Patch Vendor Advisory |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7452 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7452 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]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-20 CWE-119 -
Initial Analysis by [email protected]
May. 06, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.asc No Types Assigned https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.asc Patch, Vendor Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* *cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7452 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-2020-7452
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} -0.04%
score
0.41501
percentile