CVE-2016-9311

Public on 2017-01-04
Modified on 2018-05-10
Description
A flaw was found in the way ntpd implemented the trap service. A remote attacker could send a specially crafted packet to cause a null pointer dereference that will crash ntpd, resulting in a denial of service.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.9
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 ntp 2017-01-04 ALAS-2017-781 Fixed
Amazon Linux 2 - Core ntp 2018-05-10 ALAS2-2018-1009 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
Amazon Linux CVSSv3 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C
NVD CVSSv3 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H