Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2018-7184

Published: Mar 06, 2018 | Modified: Jan 14, 2025
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
3.1 LOW
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-7184
CWEhttps://cwe.mitre.org/data/definitions/.html

ntpd in ntp 4.2.8p4 before 4.2.8p11 drops bad packets before updating the received timestamp, which allows remote attackers to cause a denial of service (disruption) by sending a packet with a zero-origin timestamp causing the association to reset and setting the contents of the packet as the most recent timestamp. This issue is a result of an incomplete fix for CVE-2015-7704.

Affected Software

NameVendorStart VersionEnd Version
NtpNtp4.2.8-p10 (including)4.2.8-p10 (including)
NtpNtp4.2.8-p4 (including)4.2.8-p4 (including)
NtpNtp4.2.8-p5 (including)4.2.8-p5 (including)
NtpNtp4.2.8-p6 (including)4.2.8-p6 (including)
NtpNtp4.2.8-p7 (including)4.2.8-p7 (including)
NtpNtp4.2.8-p8 (including)4.2.8-p8 (including)
NtpNtp4.2.8-p9 (including)4.2.8-p9 (including)
NtpUbuntuartful*
NtpUbuntubionic*
NtpUbuntudevel*
NtpUbuntuesm-apps/bionic*
NtpUbuntuupstream*

References

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