CVE Vulnerabilities

CVE-2016-4956

Published: Jul 05, 2016 | Modified: Nov 07, 2023
CVSS 3.x
5.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 2.x
5 MEDIUM
AV:N/AC:L/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
Ubuntu
LOW

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.

Affected Software

Name Vendor Start Version End Version
Ntp Ntp 4.2.0 (including) 4.2.8 (excluding)
Ntp Ntp 4.3.0 (including) 4.3.93 (excluding)
Ntp Ntp 4.2.8 (including) 4.2.8 (including)
Ntp Ntp 4.2.8-p1 (including) 4.2.8-p1 (including)
Ntp Ntp 4.2.8-p1-beta1 (including) 4.2.8-p1-beta1 (including)
Ntp Ntp 4.2.8-p1-beta2 (including) 4.2.8-p1-beta2 (including)
Ntp Ntp 4.2.8-p1-beta3 (including) 4.2.8-p1-beta3 (including)
Ntp Ntp 4.2.8-p1-beta4 (including) 4.2.8-p1-beta4 (including)
Ntp Ntp 4.2.8-p1-beta5 (including) 4.2.8-p1-beta5 (including)
Ntp Ntp 4.2.8-p1-rc1 (including) 4.2.8-p1-rc1 (including)
Ntp Ntp 4.2.8-p1-rc2 (including) 4.2.8-p1-rc2 (including)
Ntp Ntp 4.2.8-p2 (including) 4.2.8-p2 (including)
Ntp Ntp 4.2.8-p2-rc1 (including) 4.2.8-p2-rc1 (including)
Ntp Ntp 4.2.8-p2-rc2 (including) 4.2.8-p2-rc2 (including)
Ntp Ntp 4.2.8-p2-rc3 (including) 4.2.8-p2-rc3 (including)
Ntp Ntp 4.2.8-p3 (including) 4.2.8-p3 (including)
Ntp Ntp 4.2.8-p3-rc1 (including) 4.2.8-p3-rc1 (including)
Ntp Ntp 4.2.8-p3-rc2 (including) 4.2.8-p3-rc2 (including)
Ntp Ntp 4.2.8-p3-rc3 (including) 4.2.8-p3-rc3 (including)
Ntp Ntp 4.2.8-p4 (including) 4.2.8-p4 (including)
Ntp Ntp 4.2.8-p5 (including) 4.2.8-p5 (including)
Ntp Ntp 4.2.8-p6 (including) 4.2.8-p6 (including)
Ntp Ntp 4.2.8-p7 (including) 4.2.8-p7 (including)
Ntp Ubuntu precise *
Ntp Ubuntu trusty *
Ntp Ubuntu vivid/stable-phone-overlay *
Ntp Ubuntu wily *
Ntp Ubuntu xenial *

References