National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-7170 Detail

Current Description

ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim's clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 5.3 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html Third Party Advisory VDB Entry
http://support.ntp.org/bin/view/Main/NtpBug3415 Third Party Advisory
http://www.securityfocus.com/archive/1/541824/100/0/threaded Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/103194 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1550214 Issue Tracking
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc Third Party Advisory
https://security.gentoo.org/glsa/201805-12 Third Party Advisory
https://security.netapp.com/advisory/ntap-20180626-0001/ Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://www.synology.com/support/security/Synology_SA_18_13 Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.2.0
Up to (including)
4.2.8
 cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.3.0
Up to (excluding)
4.3.92

Configuration 2 ( hide )
 cpe:2.3:a:synology:diskstation_manager:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:synology:diskstation_manager:5.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:synology:diskstation_manager:6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:synology:diskstation_manager:6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:synology:router_manager:1.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:slackware:slackware_linux:14.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:slackware:slackware_linux:14.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:slackware:slackware_linux:14.2:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 5 ( hide )
 cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7170
NVD Published Date:
03/06/2018
NVD Last Modified:
10/31/2019