CVE-2016-7431
MEDIUMNTP - Origin Timestamp Protection Mechanism Bypass via Zero Timestamp
Title source: llmDescription
NTP before 4.2.8p9 allows remote attackers to bypass the origin timestamp protection mechanism via an origin timestamp of zero. NOTE: this vulnerability exists because of a CVE-2015-8138 regression.
References (25)
Core 25
Core References
Vendor Advisory x_refsource_confirm
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
Vendor Advisory x_refsource_confirm
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03883en_us
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/94454
Vendor Advisory x_refsource_confirm
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities
Release Notes, Vendor Advisory x_refsource_confirm
http://nwtime.org/ntp428p9_release/
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert-vn
https://www.kb.cert.org/vuls/id/633847
Vendor Advisory x_refsource_confirm
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03899en_us
Vendor Advisory x_refsource_confirm
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1037354
Various Sources x_refsource_confirm
https://bto.bluecoat.com/security-advisory/sa139
Various Sources vendor-advisory
x_refsource_freebsd
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc
Issue Tracking, Mitigation, Vendor Advisory x_refsource_confirm
http://support.ntp.org/bin/view/Main/NtpBug3102
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/540254/100/0/threaded
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/archive/1/540254/100/0/threaded
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html
Vendor Advisory x_refsource_confirm
https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03899en_us
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-3349-1
Vendor Advisory x_refsource_confirm
https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03883en_us
Various Sources x_refsource_confirm
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en
Various Sources x_refsource_confirm
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-223/
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/539955/100/0/threaded
Exploit, Third Party Advisory x_refsource_misc
http://packetstormsecurity.com/files/140240/FreeBSD-Security-Advisory-FreeBSD-SA-16.39.ntp.html
Third Party Advisory, VDB Entry mailing-list
x_refsource_bugtraq
http://www.securityfocus.com/archive/1/archive/1/539955/100/0/threaded
Vendor Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11
Scores
CVSS v3
5.3
EPSS
0.0871
EPSS Percentile
94.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-20
Status
published
Products (1)
ntp/ntp
4.2.8 p8
Published
Jan 13, 2017
Tracked Since
Feb 18, 2026