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CVE-2016-9311

Published: 13 January 2017

ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.

Priority

Low

Cvss 3 Severity Score

5.9

Score breakdown

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 Ignored
(end of life)
trusty
Released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
upstream
Released (1:4.2.8p9+dfsg-1, 4.2.8p9, 4.3.94)
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-2016-9311.patch
upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=57e56dd78oiRnU9VrH-kn67zwJOoaA

Severity score breakdown

Parameter Value
Base score 5.9
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H