CVE Vulnerabilities

CVE-2016-7429

Published: Jan 13, 2017 | Modified: Jan 05, 2018
CVSS 3.x
3.7
LOW
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
2.6 LOW
AV:N/AC:H/Au:N/C:N/I:N/A:P
RedHat/V3
3.7 LOW
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Ubuntu
LOW

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.

Affected Software

Name Vendor Start Version End Version
Ntp Ntp * 4.2.8 (including)
Red Hat Enterprise Linux 6 RedHat ntp-0:4.2.6p5-10.el6_8.2 *
Red Hat Enterprise Linux 7 RedHat ntp-0:4.2.6p5-25.el7_3.1 *
Ntp Ubuntu trusty *
Ntp Ubuntu upstream *
Ntp Ubuntu vivid/stable-phone-overlay *
Ntp Ubuntu xenial *
Ntp Ubuntu yakkety *

References