Vulnerability Description
A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ntp | Ntp | 4.2.8 |
Related Weaknesses (CWE)
References
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/88200
- http://www.securitytracker.com/id/1035705
- http://www.talosintelligence.com/reports/TALOS-2016-0083/MitigationTechnical DescriptionThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://security.gentoo.org/glsa/201607-15
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpe
- https://www.synology.com/support/security/Synology_SA_18_13
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securityfocus.com/bid/88200
- http://www.securitytracker.com/id/1035705
- http://www.talosintelligence.com/reports/TALOS-2016-0083/MitigationTechnical DescriptionThird Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://security.gentoo.org/glsa/201607-15
FAQ
What is CVE-2016-1549?
CVE-2016-1549 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a8...
How severe is CVE-2016-1549?
CVE-2016-1549 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-1549?
Check the references section above for vendor advisories and patch information. Affected products include: Ntp Ntp.