CVE-2016-7433

MEDIUM

ntp < 4.2.8p9 - Incorrect Calculation in Initial Sync

Title source: llm

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."

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 vendor-advisory x_refsource_redhat

http://rhn.redhat.com/errata/RHSA-2017-0252.html

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

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

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/94455

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/NtpBug3067

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 vendor-advisory x_refsource_ubuntu

http://www.ubuntu.com/usn/USN-3349-1

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PABKEYX6ABBFJZGMXKH57X756EJUDS3C/

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U5E3XBBCK5IXOLDAH2E4M3QKIYIHUMMP/

Various Sources x_refsource_confirm

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171129-01-ntpd-en

Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ILMSYVQMMF37MANYEO7KBHOPSC74EKGN/

Various Sources x_refsource_confirm

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-227/

Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq

http://www.securityfocus.com/archive/1/539955/100/0/threaded

Various Sources x_refsource_confirm

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-227

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 0.0976

EPSS Percentile 94.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE

CWE-682

Status published

Products (1)

ntp/ntp < 4.2.8

Published Jan 13, 2017

Tracked Since Feb 18, 2026