CVE-2016-7428

MEDIUM

NTP - Denial of Service via Broadcast Packet Poll Interval

Title source: llm

Description

ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via the poll interval in a broadcast packet.

References (12)

Core 12

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_ubuntu

https://usn.ubuntu.com/3707-2/

Issue Tracking, Mitigation, Vendor Advisory x_refsource_confirm

http://support.ntp.org/bin/view/Main/NtpBug3113

Vendor Advisory x_refsource_confirm

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03883en_us

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, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/94446

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

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

Scores

CVSS v3 4.3

EPSS 0.0391

EPSS Percentile 89.0%

Attack Vector ADJACENT_NETWORK

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

Details

CWE

CWE-400

Status published

Products (1)

ntp/ntp 4.2.8 p6 (3 CPE variants)

Published Jan 13, 2017

Tracked Since Feb 18, 2026