Vulnerability Details : CVE-2021-3406
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.
Products affected by CVE-2021-3406
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:keylime:keylime:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3406
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3406
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-3406
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
-
The product does not verify, or incorrectly verifies, the cryptographic signature for data.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2021-3406
-
https://bugzilla.redhat.com/show_bug.cgi?id=1932469
1932469 – (CVE-2021-3406) CVE-2021-3406 keylime: Key cryptographic chain of trust breakageIssue Tracking;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YAWKEF2LVXUME266T6RNRVBGAD375QAT/
[SECURITY] Fedora 34 Update: keylime-6.0.0-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/keylime/keylime/security/advisories/GHSA-78f8-6c68-375m
Key cryptographic chain of trust breakage · Advisory · keylime/keylime · GitHubThird Party Advisory
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