VulnerabilityModified
CVE-2023-4012
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
HIGH 7.5EPSS 0.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-372
- Affected
- ntpsec/ntpsec
- Source
- cve@gitlab.com
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422Issue Tracking, Third Party Advisory
- https://gitlab.com/NTPsec/ntpsec/-/issues/794Issue Tracking, Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1038422Issue Tracking, Third Party Advisory
- https://gitlab.com/NTPsec/ntpsec/-/issues/794Issue Tracking, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.