Your submission was sent successfully! Close

CVE-2016-7426

Published: 13 January 2017

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending responses with a spoofed source address.

Notes

AuthorNote
tyhicks
"Affects ntp-4.2.5p203, up to but not including ntp-4.2.8p9, and
ntp-4.3.0 up to, but not including ntp-4.3.94."
Priority

Low

CVSS 3 base score: 7.5

Status

Package Release Status
ntp
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
bionic Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
cosmic Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
precise
Released (1:4.2.6.p3+dfsg-1ubuntu3.12)
trusty
Released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
upstream
Released (1:4.2.8p9+dfsg-1)
xenial
Released (1:4.2.8p4+dfsg-3ubuntu5.5)
yakkety
Released (1:4.2.8p8+dfsg-1ubuntu2.1)
zesty Not vulnerable
(1:4.2.8p9+dfsg-2ubuntu1)
Patches:
vendor: https://git.centos.org/blob/rpms!ntp.git/4eb1db127a6177011bd913bf4f446e8f701179d6/SOURCES!ntp-4.2.6p5-cve-2016-7426.patch