Vulnerability Details : CVE-2016-1549
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.
Exploit prediction scoring system (EPSS) score for CVE-2016-1549
Probability of exploitation activity in the next 30 days: 0.13%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 47 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-1549
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST |
|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2016-1549
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-1549
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https://security.netapp.com/advisory/ntap-20171004-0002/
April 2016 Network Time Protocol Daemon (ntpd) Vulnerabilities in Multiple NetApp Products | NetApp Product Security
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https://security.gentoo.org/glsa/201607-15
NTP: Multiple vulnerabilities (GLSA 201607-15) — Gentoo security
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http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Oracle Solaris Bulletin - April 2016
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http://www.talosintelligence.com/reports/TALOS-2016-0083/
TALOS-2016-0083 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceMitigation;Technical Description;Third Party Advisory
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https://www.synology.com/support/security/Synology_SA_18_13
Synology Inc.
- https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc
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http://www.securityfocus.com/bid/88200
NTP CVE-2016-1549 Remote Security Vulnerability
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https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
HPESBUX03962 rev.1 - HP-UX NTP service, multiple vulnerabilities
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http://www.securitytracker.com/id/1035705
ntp Multiple Bugs Let Remote Users Spoof Messages, Obtain Potentially Sensitive Information, Modify Time, and Deny Service - SecurityTracker
Products affected by CVE-2016-1549
- cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*