CVE-2016-7429

2017-01-1300:00:00

ubuntu.com

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.019 Low

EPSS

Percentile

88.4%

JSON

NTP before 4.2.8p9 changes the peer structure to the interface it receives
the response from a source, which allows remote attackers to cause a denial
of service (prevent communication with a source) by sending a response for
a source to an interface the source does not use.

Bugs

<http://support.ntp.org/bin/view/Main/NtpBug3072>

Notes

Author	Note
mdeslaur	ntp-4.2.7p385, up to but not including ntp-4.2.8p9, and ntp-4.3.0 up to, but not including ntp-4.3.94

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11UNKNOWN
ubuntu16.04noarchntp< 1:4.2.8p4+dfsg-3ubuntu5.5UNKNOWN
ubuntu16.10noarchntp< 1:4.2.8p8+dfsg-1ubuntu2.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	ntp	< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11	UNKNOWN
ubuntu	16.04	noarch	ntp	< 1:4.2.8p4+dfsg-3ubuntu5.5	UNKNOWN
ubuntu	16.10	noarch	ntp	< 1:4.2.8p8+dfsg-1ubuntu2.1	UNKNOWN