CVE-2016-1549

MEDIUM

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.

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/

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://www.synology.com/support/security/Synology_SA_18_13

Details

Source: MITRE

Published: 2017-01-06

Updated: 2018-03-28

Type: CWE-19

Risk Information

CVSS v2.0

Base Score: 4

Vector: (AV:N/AC:L/Au:S/C:N/I:P/A:N)

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM