CVE-2017-6463

medium

Description

NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option.

References

Advisories
More

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

https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc

https://access.redhat.com/errata/RHSA-2018:0855

https://access.redhat.com/errata/RHSA-2017:3071

http://www.securitytracker.com/id/1038123

http://www.securityfocus.com/bid/97049

https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us

https://support.apple.com/HT208144

https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-15520

http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu

http://support.ntp.org/bin/view/Main/NtpBug3387

Details

Source: Mitre, NVD

Published: 2017-03-27

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

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