What is the vulnerability ID for this NTP vulnerability?

The vulnerability ID for this NTP vulnerability is USN-4229-1.

What does the NTP vulnerability affect?

The NTP vulnerability affects NTP versions 4.2.8p4+dfsg-3ubuntu5.10, 4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1, and 4.2.6.p3+dfsg-1ubuntu3.13 on Ubuntu versions 16.04, 14.04, and 12.04 respectively.

What is the impact of the NTP vulnerability?

The NTP vulnerability could allow an attacker to crash ntpq or ntpdc, execute arbitrary code, or escalate privileges.

How can I fix the NTP vulnerability?

To fix the NTP vulnerability, update the ntp package to version 1:4.2.8p4+dfsg-3ubuntu5.10 (for Ubuntu 16.04), 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1 (for Ubuntu 14.04), or 1:4.2.6.p3+dfsg-1ubuntu3.13 (for Ubuntu 12.04).

Where can I find more information about the NTP vulnerability?

You can find more information about the NTP vulnerability at the following references: [CVE-2018-12327](https://ubuntu.com/security/CVE-2018-12327), [USN-4229-2](https://ubuntu.com/security/notices/USN-4229-2), [Launchpad](https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p4+dfsg-3ubuntu5.10).

Vulnerability/
USN-4229-1

9/1/2020

USN-4229-1: NTP vulnerability

First published: Thu Jan 09 2020(Updated: )

It was discovered that ntpq and ntpdc incorrectly handled some arguments. An attacker could possibly use this issue to cause ntpq or ntpdc to crash, execute arbitrary code, or escalate to higher privileges.

Affected Software	Affected Version	How to fix
All of
ubuntu/ntp	<1:4.2.8p4+dfsg-3ubuntu5.10	1:4.2.8p4+dfsg-3ubuntu5.10
	=16.04
All of
ubuntu/ntp	<1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1	1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1
	=14.04
All of
ubuntu/ntp	<1:4.2.6.p3+dfsg-1ubuntu3.13	1:4.2.6.p3+dfsg-1ubuntu3.13
	=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2018-12327

Frequently Asked Questions

What is the vulnerability ID for this NTP vulnerability?
The vulnerability ID for this NTP vulnerability is USN-4229-1.
What does the NTP vulnerability affect?
The NTP vulnerability affects NTP versions 4.2.8p4+dfsg-3ubuntu5.10, 4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1, and 4.2.6.p3+dfsg-1ubuntu3.13 on Ubuntu versions 16.04, 14.04, and 12.04 respectively.
What is the impact of the NTP vulnerability?
The NTP vulnerability could allow an attacker to crash ntpq or ntpdc, execute arbitrary code, or escalate privileges.
How can I fix the NTP vulnerability?
To fix the NTP vulnerability, update the ntp package to version 1:4.2.8p4+dfsg-3ubuntu5.10 (for Ubuntu 16.04), 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13+esm1 (for Ubuntu 14.04), or 1:4.2.6.p3+dfsg-1ubuntu3.13 (for Ubuntu 12.04).
Where can I find more information about the NTP vulnerability?
You can find more information about the NTP vulnerability at the following references: [CVE-2018-12327](https://ubuntu.com/security/CVE-2018-12327), [USN-4229-2](https://ubuntu.com/security/notices/USN-4229-2), [Launchpad](https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p4+dfsg-3ubuntu5.10).

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