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CVE-2016-7426

nvd nist
Published: Jan 13, 2017Modified: May 13, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending responses with a spoofed source address.

Affected (92)

Show all products
Ntp: Ntp · Canonical: Ubuntu Linux · Redhat: Enterprise Linux Desktop, Enterprise Linux Server, Enterprise Linux Server Aus, Enterprise Linux Server Eus, Enterprise Linux Server Tus, Enterprise Linux Workstation · Hpe: Hpux Ntp
Ntp
1 product
Ntp
Canonical
1 product
Ubuntu Linux
Redhat
6 products
Enterprise Linux Desktop
Enterprise Linux Server
Enterprise Linux Server Aus
Enterprise Linux Server Eus
Enterprise Linux Server Tus
Enterprise Linux Workstation
Hpe
1 product
Hpux Ntp
Configuration A
72 vulnerable
Vulnerable SoftwareAffected Versions
Ntp
Ntp
From 4.2.6 to 4.2.8
Ntp
From 4.3.0 to 4.3.94
Ntp
Version 4.2.5 p203
Ntp
Version 4.2.5 p204
Ntp
Version 4.2.5 p205
Ntp
Version 4.2.5 p206
Ntp
Version 4.2.5 p207
Ntp
Version 4.2.5 p208
Ntp
Version 4.2.5 p209
Ntp
Version 4.2.5 p210
Ntp
Version 4.2.5 p211
Ntp
Version 4.2.5 p212
Ntp
Version 4.2.5 p213
Ntp
Version 4.2.5 p214
Ntp
Version 4.2.5 p215
Ntp
Version 4.2.5 p216
Ntp
Version 4.2.5 p217
Ntp
Version 4.2.5 p218
Ntp
Version 4.2.5 p219
Ntp
Version 4.2.5 p220
Ntp
Version 4.2.5 p221
Ntp
Version 4.2.5 p222
Ntp
Version 4.2.5 p223
Ntp
Version 4.2.5 p224
Ntp
Version 4.2.5 p225
Ntp
Version 4.2.5 p226
Ntp
Version 4.2.5 p227
Ntp
Version 4.2.5 p228
Ntp
Version 4.2.5 p229
Ntp
Version 4.2.5 p230
Ntp
Version 4.2.5 p231_rc1
Ntp
Version 4.2.5 p232_rc1
Ntp
Version 4.2.5 p233_rc1
Ntp
Version 4.2.5 p234_rc1
Ntp
Version 4.2.5 p235_rc1
Ntp
Version 4.2.5 p236_rc1
Ntp
Version 4.2.5 p237_rc1
Ntp
Version 4.2.5 p238_rc1
Ntp
Version 4.2.5 p239_rc1
Ntp
Version 4.2.5 p240_rc1
Ntp
Version 4.2.5 p241_rc1
Ntp
Version 4.2.5 p242_rc1
Ntp
Version 4.2.5 p243_rc1
Ntp
Version 4.2.5 p244_rc1
Ntp
Version 4.2.5 p245_rc1
Ntp
Version 4.2.5 p246_rc1
Ntp
Version 4.2.5 p247_rc1
Ntp
Version 4.2.5 p248_rc1
Ntp
Version 4.2.5 p249_rc1
Ntp
Version 4.2.5 p250_rc1
Ntp
Version 4.2.8
Ntp
Version 4.2.8 p1-beta1
Ntp
Version 4.2.8 p1-beta2
Ntp
Version 4.2.8 p1-beta3
Ntp
Version 4.2.8 p1-beta4
Ntp
Version 4.2.8 p1-beta5
Ntp
Version 4.2.8 p1-rc1
Ntp
Version 4.2.8 p1-rc2
Ntp
Version 4.2.8 p1
Ntp
Version 4.2.8 p2-rc1
Ntp
Version 4.2.8 p2-rc2
Ntp
Version 4.2.8 p2-rc3
Ntp
Version 4.2.8 p2
Ntp
Version 4.2.8 p3-rc1
Ntp
Version 4.2.8 p3-rc2
Ntp
Version 4.2.8 p3-rc3
Ntp
Version 4.2.8 p3
Ntp
Version 4.2.8 p4
Ntp
Version 4.2.8 p5
Ntp
Version 4.2.8 p6
Ntp
Version 4.2.8 p7
Ntp
Version 4.2.8 p8
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Ubuntu Linux
Version 12.04
Configuration C
18 vulnerable
Vulnerable SoftwareAffected Versions
Redhat
Enterprise Linux Desktop
Version 6.0
Enterprise Linux Desktop
Version 7.0
Redhat
Enterprise Linux Server
Version 6.0
Enterprise Linux Server
Version 7.0
Redhat
Enterprise Linux Server Aus
Version 7.3
Enterprise Linux Server Aus
Version 7.4
Enterprise Linux Server Aus
Version 7.6
Enterprise Linux Server Aus
Version 7.7
Redhat
Enterprise Linux Server Eus
Version 7.3
Enterprise Linux Server Eus
Version 7.4
Enterprise Linux Server Eus
Version 7.5
Enterprise Linux Server Eus
Version 7.6
Enterprise Linux Server Eus
Version 7.7
Redhat
Enterprise Linux Server Tus
Version 7.3
Enterprise Linux Server Tus
Version 7.6
Enterprise Linux Server Tus
Version 7.7
Redhat
Enterprise Linux Workstation
Version 6.0
Enterprise Linux Workstation
Version 7.0
Configuration D
1 vulnerable
Vulnerable SoftwareAffected Versions
Hpux Ntp
From b.11.31 to c.4.2.8.2.0

Related CWEs

CWE-400
Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (22)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Issue TrackingMitigationVendor Advisory
Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingMitigationVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource

Timeline

No history available yet.