FreeBSD : FreeBSD -- Multiple vulnerabilities of ntp (3c0237f5-420e-11e7-82c5-14dae9d210b8)

Medium Nessus Plugin ID 100496

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

A vulnerability was discovered in the NTP server's parsing of configuration directives. [CVE-2017-6464]

A vulnerability was found in NTP, in the parsing of packets from the DPTS Clock. [CVE-2017-6462]

A vulnerability was discovered in the NTP server's parsing of configuration directives. [CVE-2017-6463]

A vulnerability was found in NTP, affecting the origin timestamp check function. [CVE-2016-9042] Impact : A remote, authenticated attacker could cause ntpd to crash by sending a crafted message.
[CVE-2017-6463, CVE-2017-6464]

A malicious device could send crafted messages, causing ntpd to crash.
[CVE-2017-6462]

An attacker able to spoof messages from all of the configured peers could send crafted packets to ntpd, causing later replies from those peers to be discarded, resulting in denial of service. [CVE-2016-9042]

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?dbdad86b

Plugin Details

Severity: Medium

ID: 100496

File Name: freebsd_pkg_3c0237f5420e11e782c514dae9d210b8.nasl

Version: 3.6

Type: local

Published: 2017/05/30

Updated: 2018/11/10

Dependencies: 12634

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.6

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

CVSS v3.0

Base Score: 7.8

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:FreeBSD, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info, Settings/ParanoidReport

Patch Publication Date: 2017/05/26

Vulnerability Publication Date: 2017/04/12

Reference Information

CVE: CVE-2016-9042, CVE-2017-6462, CVE-2017-6463, CVE-2017-6464

FreeBSD: SA-17:03.ntp