CVE-2016-7429

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
Affected Products (NVD)
VendorProductVersion
ntpntp
𝑥
≤ 4.2.8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ntp
bullseye
1:4.2.8p15+dfsg-1
fixed
jessie
no-dsa
wheezy
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ntp
precise
not-affected
trusty
Fixed 1:4.2.6.p5+dfsg-3ubuntu2.14.04.11
released
xenial
Fixed 1:4.2.8p4+dfsg-3ubuntu5.5
released
yakkety
Fixed 1:4.2.8p8+dfsg-1ubuntu2.1
released
zesty
not-affected
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
ntp
RHEL 6
0:4.2.6p5-10.el6_8.2
fixed
RHEL 7
0:4.2.6p5-25.el7_3.1
fixed
ntp-doc
RHEL 6
0:4.2.6p5-10.el6_8.2
fixed
RHEL 7
0:4.2.6p5-25.el7_3.1
fixed
ntp-perl
RHEL 6
0:4.2.6p5-10.el6_8.2
fixed
RHEL 7
0:4.2.6p5-25.el7_3.1
fixed
ntpdate
RHEL 6
0:4.2.6p5-10.el6_8.2
fixed
RHEL 7
0:4.2.6p5-25.el7_3.1
fixed
sntp
RHEL 7
0:4.2.6p5-25.el7_3.1
fixed
Common Weakness Enumeration
References
http://nwtime.org/ntp428p9_release/
http://rhn.redhat.com/errata/RHSA-2017-0252.html
http://support.ntp.org/bin/view/Main/NtpBug3072
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/94453
http://www.securitytracker.com/id/1037354
https://bto.bluecoat.com/security-advisory/sa139
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
https://www.kb.cert.org/vuls/id/633847
http://nwtime.org/ntp428p9_release/
http://rhn.redhat.com/errata/RHSA-2017-0252.html
http://support.ntp.org/bin/view/Main/NtpBug3072
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/94453
http://www.securitytracker.com/id/1037354
https://bto.bluecoat.com/security-advisory/sa139
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
https://www.kb.cert.org/vuls/id/633847