CVE-2020-16125
"Gdm3 Dbus Service Start Vulnerability"
Description
gdm3 versions before 3.36.2 or 3.38.2 would start gnome-initial-setup if gdm3 can't contact the accountservice service via dbus in a timely manner; on Ubuntu (and potentially derivatives) this could be be chained with an additional issue that could allow a local user to create a new privileged account.
INFO
Published Date :
Nov. 10, 2020, 5:15 a.m.
Last Modified :
Nov. 24, 2020, 6:12 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
0.5
Public PoC/Exploit Available at Github
CVE-2020-16125 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-2020-16125.
| URL | Resource |
|---|---|
| https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314 | Third Party Advisory |
| https://gitlab.gnome.org/GNOME/gdm/-/issues/642 | Exploit Vendor Advisory |
| https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon | Exploit 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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-16125 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-16125 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 -
Initial Analysis by [email protected]
Nov. 24, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1900314 Third Party Advisory Changed Reference Type https://gitlab.gnome.org/GNOME/gdm/-/issues/642 No Types Assigned https://gitlab.gnome.org/GNOME/gdm/-/issues/642 Exploit, Vendor Advisory Changed Reference Type https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon No Types Assigned https://securitylab.github.com/advisories/GHSL-2020-202-gdm3-LPE-unresponsive-accounts-daemon Exploit, Third Party Advisory Added CWE NIST CWE-754 Added CPE Configuration OR *cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:* versions up to (excluding) 3.36.2 *cpe:2.3:a:gnome:gnome_display_manager:*:*:*:*:*:*:*:* versions from (including) 3.38.0 up to (excluding) 3.38.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-16125 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-2020-16125
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.01%
score
0.34651
percentile