ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92...
Vulnerability 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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
- https://security.gentoo.org/glsa/201805-12
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
- https://security.netapp.com/advisory/ntap-20180626-0001/
- http://www.securityfocus.com/archive/1/541824/100/0/threaded
- https://bugzilla.redhat.com/show_bug.cgi?id=1550214
- http://support.ntp.org/bin/view/Main/NtpBug3415
- https://www.synology.com/support/security/Synology_SA_18_13
- http://www.securityfocus.com/bid/103194
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
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Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.