Amazon Linux AMI : ntp (ALAS-2017-781)

High Nessus Plugin ID 96283


The remote Amazon Linux AMI host is missing a security update.


The following security-related issues were resolved :

CVE-2016-7426 : Client rate limiting and server responses

CVE-2016-7429 : Attack on interface selection

CVE-2016-7433 : Broken initial sync calculations regression

CVE-2016-9310 : Mode 6 unauthenticated trap information disclosure and DDoS vector

CVE-2016-9311 : NULL pointer dereference when trap service is enabled


Run 'yum update ntp' to update your system.

See Also

Plugin Details

Severity: High

ID: 96283

File Name: ala_ALAS-2017-781.nasl

Version: 3.11

Type: local

Agent: unix

Published: 2017/01/05

Updated: 2020/06/22

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:ntp, p-cpe:/a:amazon:linux:ntp-debuginfo, p-cpe:/a:amazon:linux:ntp-doc, p-cpe:/a:amazon:linux:ntp-perl, p-cpe:/a:amazon:linux:ntpdate, cpe:/o:amazon:linux

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Patch Publication Date: 2017/01/04

Vulnerability Publication Date: 2017/01/13

Reference Information

CVE: CVE-2016-7426, CVE-2016-7429, CVE-2016-7433, CVE-2016-9310, CVE-2016-9311

ALAS: 2017-781