Detections
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CVE-2018-7183

critical

Description

Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.

References

https://www.synology.com/support/security/Synology_SA_18_13

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

https://usn.ubuntu.com/3707-1/

https://security.netapp.com/advisory/ntap-20180626-0001/

https://security.gentoo.org/glsa/201805-12

https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc

http://www.securityfocus.com/bid/103351

https://www.oracle.com//security-alerts/cpujul2021.html

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-18925

http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_S

http://support.ntp.org/bin/view/Main/NtpBug3414

Details

Source: Mitre, NVD

Published: 2018-03-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.10213