Improper Input Validation Affecting ntp-doc package, versions <0:4.2.6p5-10.el6.1


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.9% (83rd percentile)

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  • Snyk IDSNYK-ORACLE6-NTPDOC-2506247
  • published10 Apr 2022
  • disclosed6 Jan 2017

Introduced: 6 Jan 2017

CVE-2016-1547  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Oracle:6 ntp-doc to version 0:4.2.6p5-10.el6.1 or higher.
This issue was patched in ELSA-2016-1141.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ntp-doc package and not the ntp-doc package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled.

CVSS Scores

version 3.1