Information Exposure Affecting ntp package, versions <1:4.2.8p4+dfsg-3ubuntu5.3


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.45% (75th percentile)

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  • Snyk IDSNYK-UBUNTU1604-NTP-373121
  • published6 Jan 2017
  • disclosed6 Jan 2017

Introduced: 6 Jan 2017

CVE-2016-1550  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 ntp to version 1:4.2.8p4+dfsg-3ubuntu5.3 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

An exploitable vulnerability exists in the message authentication functionality of libntp in ntp 4.2.8p4 and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92. An attacker can send a series of crafted messages to attempt to recover the message digest key.

References

CVSS Scores

version 3.1