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CVE-2017-6463

Published: 27 March 2017

NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option.

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
ntp
Launchpad, Ubuntu, Debian
artful Not vulnerable
(1:4.2.8p10+dfsg-5ubuntu1)
bionic Not vulnerable
(1:4.2.8p10+dfsg-5ubuntu1)
cosmic Not vulnerable
(1:4.2.8p10+dfsg-5ubuntu1)
precise Ignored
(end of life)
trusty
Released (1:4.2.6.p5+dfsg-3ubuntu2.14.04.11)
upstream Needs triage

xenial
Released (1:4.2.8p4+dfsg-3ubuntu5.5)
yakkety
Released (1:4.2.8p8+dfsg-1ubuntu2.1)
zesty
Released (1:4.2.8p9+dfsg-2ubuntu1.1)
Patches:
upstream: http://bk1.ntp.org/ntp-stable/?PAGE=cset&REV=58a03410Wgv3k8FUIty8KGhffw-O4Q

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H