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CVE-2016-7429

Published: 13 January 2017

NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.

Notes

AuthorNote
mdeslaur
ntp-4.2.7p385, 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: 3.7

Status

Package Release Status
ntp
Launchpad, Ubuntu, Debian
precise Not vulnerable
(1:4.2.6.p3+dfsg-1ubuntu3.11)
trusty
Released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
upstream
Released (1:4.2.8p9+dfsg-1, ntp-4.2.8p9)
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-2016-7429.patch
upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=57d78deeyfknMUHpF4CWmP8gRRf6qg
upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=57ef749cgdfwOxXsUdn3G64d0KIoUQ
upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=58662b53ZwV8BJejPYblqOussZZZ_w