CVE-2018-7170
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/03/2018
Last modified:
14/01/2025
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.
Impact
Base Score 3.x
5.30
Severity 3.x
MEDIUM
Base Score 2.0
3.50
Severity 2.0
LOW
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.2.0 (including) | 4.2.8 (excluding) |
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* | 4.3.0 (including) | 4.3.92 (excluding) |
cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* | ||
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
- http://support.ntp.org/bin/view/Main/NtpBug3415
- http://www.securityfocus.com/archive/1/541824/100/0/threaded
- http://www.securityfocus.com/bid/103194
- https://bugzilla.redhat.com/show_bug.cgi?id=1550214
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
- https://security.gentoo.org/glsa/201805-12
- https://security.netapp.com/advisory/ntap-20180626-0001/
- 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
- http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
- http://support.ntp.org/bin/view/Main/NtpBug3415
- http://www.securityfocus.com/archive/1/541824/100/0/threaded
- http://www.securityfocus.com/bid/103194
- https://bugzilla.redhat.com/show_bug.cgi?id=1550214
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
- https://security.gentoo.org/glsa/201805-12
- https://security.netapp.com/advisory/ntap-20180626-0001/
- 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