CVE-2020-16126
Ubuntu AccountsService Signal Hijacking
Description
An Ubuntu-specific modification to AccountsService in versions before 0.6.55-0ubuntu13.2, among other earlier versions, improperly dropped the ruid, allowing untrusted users to send signals to AccountService, thus stopping it from handling D-Bus messages in a timely fashion.
INFO
Published Date :
Nov. 11, 2020, 4:15 a.m.
Last Modified :
Nov. 24, 2020, 7:17 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-16126 has a 4 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-2020-16126.
| URL | Resource |
|---|---|
| https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS | 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
None
None
A bash script exploit of [CVE-2020-16126/CVE-2020-16127] to achieve privilege escalation.Ubuntu 16.04-20.04 LTS本地提权漏洞利用脚本。要求拥有Gnome图形化环境。
ubuntu privilege-escalation-exploits
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-16126 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-16126 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:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Changed Reference Type https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS No Types Assigned https://securitylab.github.com/advisories/GHSL-2020-187-accountsservice-drop-privs-DOS Exploit, Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:a:freedesktop:accountsservice:*:*:*:*:*:*:*:* versions up to (excluding) 0.6.55
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-16126 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-2020-16126
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
0.10669
percentile