CVE-2018-7185

2018-03-0600:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.029 Low

EPSS

Percentile

90.6%

JSON

The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers
to cause a denial of service (disruption) by continually sending a packet
with a zero-origin timestamp and source IP address of the “other side” of
an interleaved association causing the victim ntpd to reset its
association.

Bugs

<http://support.ntp.org/bin/view/Main/NtpBug3454>

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchntp< 1:4.2.8p10+dfsg-5ubuntu3.3UNKNOWN
ubuntu18.04noarchntp< 1:4.2.8p10+dfsg-5ubuntu7.1UNKNOWN
ubuntu18.10noarchntp< 1:4.2.8p11+dfsg-1ubuntu1UNKNOWN
ubuntu14.04noarchntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13UNKNOWN
ubuntu16.04noarchntp< 1:4.2.8p4+dfsg-3ubuntu5.9UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	17.10	noarch	ntp	< 1:4.2.8p10+dfsg-5ubuntu3.3	UNKNOWN
ubuntu	18.04	noarch	ntp	< 1:4.2.8p10+dfsg-5ubuntu7.1	UNKNOWN
ubuntu	18.10	noarch	ntp	< 1:4.2.8p11+dfsg-1ubuntu1	UNKNOWN
ubuntu	14.04	noarch	ntp	< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.13	UNKNOWN
ubuntu	16.04	noarch	ntp	< 1:4.2.8p4+dfsg-3ubuntu5.9	UNKNOWN