Vulnerability · Published Aug 7, 2023 · Assigned by GitLab
CVE-2023-4012Incomplete Internal State Distinction in ntpsec
High 7.5
In plain English
A high-severity security flaw in ntpsec from NTPsec. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 60.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | ntpsec | 1.2.2a-r0 | ALPINE-CVE-2023-4012 |
| Alpine:v3.21 | ntpsec | 1.2.2a-r0 | ALPINE-CVE-2023-4012 |
| Alpine:v3.22 | ntpsec | 1.2.2a-r0 | ALPINE-CVE-2023-4012 |
| Alpine:v3.23 | ntpsec | 1.2.2a-r0 | ALPINE-CVE-2023-4012 |
| Alpine:v3.24 | ntpsec | 1.2.2a-r0 | ALPINE-CVE-2023-4012 |
| Debian:12 | ntpsec | 1.2.2+dfsg1-1+deb12u1 | DEBIAN-CVE-2023-4012 |
| Debian:12 | ntpsec | 1.2.2+dfsg1-1+deb12u1 | DSA-5466-1 |
| Debian:13 | ntpsec | 1.2.2+dfsg1-2 | DEBIAN-CVE-2023-4012 |
| Debian:14 | ntpsec | 1.2.2+dfsg1-2 | DEBIAN-CVE-2023-4012 |
| Ubuntu:22.04:LTS | ntpsec | no fix listed | UBUNTU-CVE-2023-4012 |
Affected products (as reported)
Weakness: CWE-372 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H