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.

Published 2017-01-06 21:59:00

Updated 2018-03-28 01:29:04

Source CERT/CC

View at NVD, CVE.org

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	Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:N	8.0	2.9	nvd@nist.gov
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
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	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2016-1549

CWE-19

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-1549

https://security.netapp.com/advisory/ntap-20171004-0002/

April 2016 Network Time Protocol Daemon (ntpd) Vulnerabilities in Multiple NetApp Products | NetApp Product Security

CVEs referencing this url
https://security.gentoo.org/glsa/201607-15

NTP: Multiple vulnerabilities (GLSA 201607-15) — Gentoo security

CVEs referencing this url
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Oracle Solaris Bulletin - April 2016

CVEs referencing this url
http://www.talosintelligence.com/reports/TALOS-2016-0083/

TALOS-2016-0083 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence
Mitigation;Technical Description;Third Party Advisory
https://www.synology.com/support/security/Synology_SA_18_13

Synology Inc.

CVEs referencing this url
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc

CVEs referencing this url
http://www.securityfocus.com/bid/88200

NTP CVE-2016-1549 Remote Security Vulnerability
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

CVEs referencing this url
http://www.securitytracker.com/id/1035705

ntp Multiple Bugs Let Remote Users Spoof Messages, Obtain Potentially Sensitive Information, Modify Time, and Deny Service - SecurityTracker

CVEs referencing this url

Products affected by CVE-2016-1549

NTP » NTP » Version: 4.2.8 Update P4
cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*
Matching versions