CVE-2016-9311

MEDIUM

ntp < 4.2.8p9 - Denial of Service via Crafted Trap Service Packet

Title source: llm

Description

ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.

References (13)

Core 13

Core References

Vendor Advisory x_refsource_confirm

https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/94444

Vendor Advisory vendor-advisory x_refsource_ubuntu

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

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

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

Vendor Advisory x_refsource_confirm

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03799en_us

Various Sources vendor-advisory x_refsource_freebsd

https://security.FreeBSD.org/advisories/FreeBSD-SA-16:39.ntp.asc

Vendor Advisory x_refsource_confirm

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03885en_us

Issue Tracking, Mitigation, Vendor Advisory x_refsource_confirm

http://support.ntp.org/bin/view/Main/NtpBug3119

Scores

CVSS v3 5.9

EPSS 0.1109

EPSS Percentile 95.4%

Attack Vector NETWORK

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

Details

CWE

CWE-476

Status published

Products (1)

ntp/ntp < 4.2.8

Published Jan 13, 2017

Tracked Since Feb 18, 2026