CVE-2023-38201
Keylime: challenge-response protocol bypass during agent registration
- State
- Published
- Severity
- 6.5 Medium
- Published
- Aug 25, 2023
- Updated
- Nov 20, 2025
- Reserved
- Jul 13, 2023
Description
A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.5 Medium | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | redhat |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 9Red Hat |
|
References
- RHSA-2023:5080vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-38201vdb-entry
- RHBZ#2222693issue-tracking
- https://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2a
- https://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcww
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZIZZB5NHNCS5D2AEH3ZAO6OQC72IK7WS/
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