CVE-2021-3917
Coreos-installer Ignition Config Disclosure
Description
A flaw was found in the coreos-installer, where it writes the Ignition config to the target system with world-readable access permissions. This flaw allows a local attacker to have read access to potentially sensitive data. The highest threat from this vulnerability is to confidentiality.
INFO
Published Date :
Aug. 23, 2022, 8:15 p.m.
Last Modified :
Aug. 26, 2022, 7:15 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-2021-3917.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3917 | Patch Vendor Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2018478 | Issue Tracking Vendor Advisory |
| https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c | Patch Third Party Advisory |
| https://github.com/coreos/fedora-coreos-tracker/issues/889 | Issue Tracking Patch 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-2021-3917 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3917 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]
Aug. 26, 2022
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://access.redhat.com/security/cve/CVE-2021-3917 No Types Assigned https://access.redhat.com/security/cve/CVE-2021-3917 Patch, Vendor Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2018478 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2018478 Issue Tracking, Vendor Advisory Changed Reference Type https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c No Types Assigned https://github.com/coreos/coreos-installer/commit/2a36405339c87b16ed6c76e91ad5b76638fbdb0c Patch, Third Party Advisory Changed Reference Type https://github.com/coreos/fedora-coreos-tracker/issues/889 No Types Assigned https://github.com/coreos/fedora-coreos-tracker/issues/889 Issue Tracking, Patch, Third Party Advisory Added CWE NIST CWE-276 Added CPE Configuration OR *cpe:2.3:a:redhat:coreos-installer:*:*:*:*:*:*:*:* versions up to (excluding) 0.10.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3917 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-2021-3917
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
0.05635
percentile