CVE-2021-3429
CloudInit Log Password Exposure Vulnerability
Description
When instructing cloud-init to set a random password for a new user account, versions before 21.2 would write that password to the world-readable log file /var/log/cloud-init-output.log. This could allow a local user to log in as another user.
INFO
Published Date :
April 19, 2023, 10:15 p.m.
Last Modified :
May 4, 2023, 1 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
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-2021-3429.
| URL | Resource |
|---|---|
| https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668 | Patch |
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-2021-3429 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3429 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]
May. 04, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668 No Types Assigned https://github.com/canonical/cloud-init/commit/b794d426b9ab43ea9d6371477466070d86e10668 Patch Added CWE NIST CWE-532 Added CPE Configuration OR *cpe:2.3:a:canonical:cloud-init:*:*:*:*:*:*:*:* versions up to (excluding) 21.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3429 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-2021-3429
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
0.05672
percentile