CVE-2018-7185 Affecting ntp package, versions <1:4.2.8p11+dfsg-1


Severity

Recommended
low

Based on Debian security rating

    Threat Intelligence

    EPSS
    3.27% (92nd percentile)

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  • Snyk ID SNYK-DEBIAN11-NTP-516384
  • published 6 Mar 2018
  • disclosed 6 Mar 2018

How to fix?

Upgrade Debian:11 ntp to version 1:4.2.8p11+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:11 relevant fixed versions and status.

The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the "other side" of an interleaved association causing the victim ntpd to reset its association.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High