Improper input validation in Ntp

CVE-2016-7431

NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.

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

EPSS: 0.087 (94.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Ntp — versions 4.2.8
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-7431?
CVE-2016-7431 is a medium-severity vulnerability in Ntp, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2017-01-13.
How severe is CVE-2016-7431?
Medium severity. CVSS v3 base score is 5.3 out of 10.