CVE-2023-38200
Keylime's registrar vulnerable to Denial-of-service attack via a single open connection
7.5
HIGH
CVSS 3.1
EPSS 0.26%
Description
### Impact Keylime `registrar` is prone to a simple denial of service attack in which an adversary opens a connection to the TLS port (by default, port `8891`) blocking further, legitimate connections. As long as the connection is open, the `registrar` is blocked and cannot serve any further clients (`agents` and `tenants`), which prevents normal operation. The problem does not affect the `verifier`. ### Patches Users should upgrade to release 7.4.0
How to fix CVE-2023-38200
To remediate CVE-2023-38200, upgrade the affected package to a fixed version below.
- —upgrade to 7.4.0 or later
Is CVE-2023-38200 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 7.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |