Improper Input Validation Affecting ntp package, versions <1:4.2.8p3+dfsg-1


Severity

Recommended
low

Based on Debian security rating

    Threat Intelligence

    EPSS
    3.26% (92nd percentile)

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  • Snyk ID SNYK-DEBIAN11-NTP-516245
  • published 21 Jul 2017
  • disclosed 21 Jul 2017

How to fix?

Upgrade Debian:11 ntp to version 1:4.2.8p3+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.

ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault) via a crafted statistics or filegen configuration command that is not enabled during compilation.

CVSS Scores

version 3.1
Expand this section

Red Hat

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