CVE-2023-4012
ntpsec - security update
7.5
HIGH
CVSS 3.1
EPSS 0.21%
Description
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
How to fix CVE-2023-4012
To remediate CVE-2023-4012, upgrade the affected package to a fixed version below.
- Debian/ntpsec—upgrade to 1.2.2+dfsg1-1+deb12u1 or later
- Debian/ntpsec—upgrade to 1.2.2+dfsg1-1+deb12u1 or later
Is CVE-2023-4012 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.2.2+dfsg1-1+deb12u1
- from 0, < 1.2.2+dfsg1-1+deb12u1
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 |