Executive Summary

Informations
Name CVE-2018-7184 First vendor Publication 2018-03-06
Vendor Cve Last vendor Modification 2020-08-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7184

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 7
Application 3
Application 1
Application 1
Application 1
Os 4
Os 3
Os 1

Snort® IPS/IDS

Date Description
2018-05-22 Multiple Vendors NTP zero-origin timestamp denial of service attempt
RuleID : 46387 - Revision : 3 - Type : SERVER-OTHER

Nessus® Vulnerability Scanner

Date Description
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2018-1_0-0167.nasl - Type : ACT_GATHER_INFO
2018-05-29 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201805-12.nasl - Type : ACT_GATHER_INFO
2018-05-11 Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2018-1009.nasl - Type : ACT_GATHER_INFO
2018-05-11 Name : The remote Amazon Linux AMI host is missing a security update.
File : ala_ALAS-2018-1009.nasl - Type : ACT_GATHER_INFO
2018-03-09 Name : The remote NTP server is affected by multiple vulnerabilities.
File : ntp_4_2_8p11.nasl - Type : ACT_GATHER_INFO
2018-03-02 Name : The remote Slackware host is missing a security update.
File : Slackware_SSA_2018-060-02.nasl - Type : ACT_GATHER_INFO
2018-02-28 Name : The remote FreeBSD host is missing one or more security-related updates.
File : freebsd_pkg_af485ef41c5811e88477d05099c0ae8c.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/103192
BUGTRAQ http://www.securityfocus.com/archive/1/541824/100/0/threaded
CONFIRM http://support.ntp.org/bin/view/Main/NtpBug3453
https://security.netapp.com/advisory/ntap-20180626-0001/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr...
https://www.synology.com/support/security/Synology_SA_18_13
FREEBSD https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
GENTOO https://security.gentoo.org/glsa/201805-12
MISC http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-U...
UBUNTU https://usn.ubuntu.com/3707-1/

Alert History

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Date Informations
2020-09-03 01:24:11
  • Multiple Updates
2020-05-23 01:19:05
  • Multiple Updates
2019-03-01 00:19:07
  • Multiple Updates
2018-10-21 17:19:44
  • Multiple Updates
2018-10-10 00:20:05
  • Multiple Updates
2018-07-11 09:19:37
  • Multiple Updates
2018-06-28 09:19:12
  • Multiple Updates
2018-03-30 00:19:34
  • Multiple Updates
2018-03-28 12:09:09
  • Multiple Updates
2018-03-08 09:19:58
  • Multiple Updates
2018-03-07 00:20:14
  • First insertion