CVE-2018-7170

ntp: Ephemeral association time spoofing additional protection

Published Mar 6, 2018 CVSS 3.1 · 5.3 Medium EPSS 2.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2018-18912 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.01445}

epss

{'score': 0.02063}

Type Values Removed Values Added
CPEs cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:* cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*