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CVE-2016-7433 Details

Description

NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html	CVE
http://nwtime.org/ntp428p9_release/	CVE	Release NotesVendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0252.html	CVE
https://bto.bluecoat.com/security-advisory/sa139	CVE
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf	CVE
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMSYVQMMF37MANYEO7KBHOPSC74EKGN/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PABKEYX6ABBFJZGMXKH57X756EJUDS3C/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5E3XBBCK5IXOLDAH2E4M3QKIYIHUMMP/	CVE
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc	CVE
http://support.ntp.org/bin/view/Main/NtpBug3067	CVE	Issue TrackingMitigationVendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities	CVE	Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11	CVE
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-227	CVE
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-227/	CVE
https://www.kb.cert.org/vuls/id/633847	CVE	Third Party AdvisoryUS Government Resource
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en	CVE
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html	CVE
http://www.securityfocus.com/archive/1/539955/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/540254/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/archive/1/539955/100/0/threaded	CVE
http://www.securityfocus.com/archive/1/archive/1/540254/100/0/threaded	CVE
http://www.securityfocus.com/bid/94455	CVE
http://www.securitytracker.com/id/1037354	CVE
http://www.ubuntu.com/usn/USN-3349-1	CVE
http://lists.opensuse.org/opensuse-updates/2016-12/msg00153.html	[email protected]
http://nwtime.org/ntp428p9_release/	[email protected]	Release NotesVendor Advisory
http://rhn.redhat.com/errata/RHSA-2017-0252.html	[email protected]
https://bto.bluecoat.com/security-advisory/sa139	[email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf	[email protected]
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMSYVQMMF37MANYEO7KBHOPSC74EKGN/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PABKEYX6ABBFJZGMXKH57X756EJUDS3C/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5E3XBBCK5IXOLDAH2E4M3QKIYIHUMMP/	[email protected]
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc	[email protected]
http://support.ntp.org/bin/view/Main/NtpBug3067	[email protected]	Issue TrackingMitigationVendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities	[email protected]	Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11	[email protected]
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-227	[email protected]
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-227/	[email protected]
https://www.kb.cert.org/vuls/id/633847	[email protected]	Third Party AdvisoryUS Government Resource
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en	[email protected]
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html	[email protected]
http://www.securityfocus.com/archive/1/539955/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/540254/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/archive/1/539955/100/0/threaded	[email protected]
http://www.securityfocus.com/archive/1/archive/1/540254/100/0/threaded	[email protected]
http://www.securityfocus.com/bid/94455	[email protected]
http://www.securitytracker.com/id/1037354	[email protected]
http://www.ubuntu.com/usn/USN-3349-1	[email protected]

see all 50 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-682	Incorrect Calculation	[email protected]

Affected Products

Product	Versions
ntp ntp	<= 4.2.8
CPE cpe:2.3:a:ntp:ntp::p8::::::* Remediation No remediation found in references.

Change History

15 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jul 16, 2021	CVE Modified	[email protected]
Jun 8, 2021	CVE Modified	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Nov 21, 2017	CVE Modified	[email protected]
Oct 20, 2017	CVE Modified	[email protected]
Jul 28, 2017	CVE Modified	[email protected]
May 10, 2017	CVE Modified	[email protected]
Feb 11, 2017	CVE Modified	[email protected]
Jan 18, 2017	CVE Modified	[email protected]
Jan 17, 2017	Initial Analysis	[email protected]