Improper input validation in Ntp

CVE-2017-6463

NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.052 (91.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Ntp — versions 4.2.8, 4.3.0, 4.3.1
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-6463?
CVE-2017-6463 is a medium-severity vulnerability in Ntp, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-03-27.
How severe is CVE-2017-6463?
Medium severity. CVSS v3 base score is 6.5 out of 10.