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

medium Nessus Plugin ID 96283

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Synopsis

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

Description

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

Solution

Run 'yum update ntp' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-781.html

Plugin Details

Severity: Medium

ID: 96283

File Name: ala_ALAS-2017-781.nasl

Version: 3.12

Type: local

Agent: unix

Published: 1/5/2017

Updated: 1/6/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2016-9310

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/4/2017

Vulnerability Publication Date: 1/13/2017

Reference Information

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

ALAS: 2017-781