Improper Data Handling Affecting ntp package, versions <1:4.2.8p7+dfsg-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-DEBIAN9-NTP-372972
  • published6 Jan 2017
  • disclosed6 Jan 2017

Introduced: 6 Jan 2017

CVE-2016-1549  (opens in a new tab)
CWE-19  (opens in a new tab)

How to fix?

Upgrade Debian:9 ntp to version 1:4.2.8p7+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ntp package and not the ntp package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

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 Scores

version 3.1