CVE-2021-3406
Keylime Trusted Attestation Chain Break
Description
A flaw was found in keylime 5.8.1 and older. The issue in the Keylime agent and registrar code invalidates the cryptographic chain of trust from the Endorsement Key certificate to agent attestations.
INFO
Published Date :
Feb. 25, 2021, 8:15 p.m.
Last Modified :
Nov. 7, 2023, 3:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2021-3406.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1932469 | Issue Tracking Third Party Advisory |
| https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/ |
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-2021-3406 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3406 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/ -
Reanalysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Added CWE NIST CWE-295 -
Modified Analysis by [email protected]
Mar. 23, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/ Mailing List, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 19, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/ [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 03, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1932469 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1932469 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m No Types Assigned https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:keylime:keylime:*:*:*:*:*:*:*:* versions up to (including) 5.8.1 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3406 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-2021-3406
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} 0.02%
score
0.58970
percentile