CVE-2020-14339
"Libvirt QEMU Privilege Escalation File Descriptor Leak"
Description
A flaw was found in libvirt, where it leaked a file descriptor for `/dev/mapper/control` into the QEMU process. This file descriptor allows for privileged operations to happen against the device-mapper on the host. This flaw allows a malicious guest user or process to perform operations outside of their standard permissions, potentially causing serious damage to the host operating system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
INFO
Published Date :
Dec. 3, 2020, 5:15 p.m.
Last Modified :
Nov. 21, 2024, 5:03 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
2.0
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-2020-14339.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1860069 | Issue Tracking Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202101-22 | Third Party Advisory |
| https://security.gentoo.org/glsa/202210-06 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1860069 | Issue Tracking Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202101-22 | Third Party Advisory |
| https://security.gentoo.org/glsa/202210-06 | Third Party 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-2020-14339 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-14339 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1860069 Added Reference https://security.gentoo.org/glsa/202101-22 Added Reference https://security.gentoo.org/glsa/202210-06 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Nov. 07, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202210-06 No Types Assigned https://security.gentoo.org/glsa/202210-06 Third Party Advisory -
CVE Modified by [email protected]
Oct. 16, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202210-06 [No Types Assigned] -
Modified Analysis by [email protected]
Feb. 09, 2021
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202101-22 No Types Assigned https://security.gentoo.org/glsa/202101-22 Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:redhat:libvirt:6.2.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* OR *cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.7.0 *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* -
CVE Modified by [email protected]
Jan. 26, 2021
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202101-22 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 08, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1860069 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1860069 Issue Tracking, Patch, Third Party Advisory Added CWE NIST CWE-772 Added CPE Configuration OR *cpe:2.3:a:redhat:libvirt:6.2.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-14339 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-2020-14339
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.10264
percentile