Improper Input Validation Affecting ntp package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
1.53% (87th percentile)

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  • Snyk IDSNYK-DEBIAN9-NTP-570545
  • published28 May 2020
  • disclosed6 May 2020

Introduced: 6 May 2020

CVE-2018-8956  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

There is no fixed version for Debian:9 ntp.

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.

ntpd in ntp 4.2.8p10, 4.2.8p11, 4.2.8p12 and 4.2.8p13 allow remote attackers to prevent a broadcast client from synchronizing its clock with a broadcast NTP server via soofed mode 3 and mode 5 packets. The attacker must either be a part of the same broadcast network or control a slave in that broadcast network that can capture certain required packets on the attacker's behalf and send them to the attacker.

CVSS Scores

version 3.1