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CVE-2018-7184

Published: 6 March 2018

ntpd in ntp 4.2.8p4 before 4.2.8p11 drops bad packets before updating the "received" timestamp, which allows remote attackers to cause a denial of service (disruption) by sending a packet with a zero-origin timestamp causing the association to reset and setting the contents of the packet as the most recent timestamp. This issue is a result of an incomplete fix for CVE-2015-7704.

Priority

Low

CVSS 3 base score: 7.5

Status

Package Release Status
ntp
Launchpad, Ubuntu, Debian
artful
Released (1:4.2.8p10+dfsg-5ubuntu3.3)
bionic
Released (1:4.2.8p10+dfsg-5ubuntu7.1)
precise Not vulnerable

trusty Not vulnerable
(1:4.2.6.p5+dfsg-3ubuntu2.14.04.12)
upstream
Released (4.2.8p11)
xenial Not vulnerable
(1:4.2.8p4+dfsg-3ubuntu5.8)