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Status published
Medium
CVE-2016-1549
A malicious authenticated peer can create arbitrarily-many ephemeral associations in...
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.
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://www.talosintelligence.com/reports/TALOS-2016-0083/
- http://www.securityfocus.com/bid/88200
- http://www.securitytracker.com/id/1035705
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://security.netapp.com/advisory/ntap-20171004-0002/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
- https://www.synology.com/support/security/Synology_SA_18_13
- https://security.gentoo.org/glsa/201607-15
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
More from NTP Project
View All →CVE-2016-1551
ntpd in NTP 4.2.8p3 and NTPsec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 relies on the...
Low
3.7
CVE-2016-1550
An exploitable vulnerability exists in the message authentication functionality of...
Medium
5.3
CVE-2016-1548
An attacker can spoof a packet from a legitimate ntpd...
High
7.2
CVE-2016-1547
An off-path attacker can cause a preemptible client association to...
Medium
5.3
Affected Vendor
NTP Project
View all reports →Affected Software
NTP, NTPSec
Vulnerable Versions:
4.2.8p3, 4.2.8p4, 3e160db8dc248a0bcb053b56a80167dc742d2b74, a5fb34b9cc89b92a8fef2f459004865c93bb7f92
Timeline
Official Publish:
January 6th, 2017
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.