Improper Input Validation Affecting dhclient package, versions <12:4.1.1-43.P1.22.amzn1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
4.21% (93rd percentile)

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  • Snyk IDSNYK-AMZN201803-DHCLIENT-1692995
  • published27 Sept 2021
  • disclosed14 Jan 2016

Introduced: 14 Jan 2016

CVE-2015-8605  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 dhclient to version 12:4.1.1-43.P1.22.amzn1 or higher.
This issue was patched in ALAS-2016-637.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dhclient package and not the dhclient package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

ISC DHCP 4.x before 4.1-ESV-R12-P1, 4.2.x, and 4.3.x before 4.3.3-P1 allows remote attackers to cause a denial of service (application crash) via an invalid length field in a UDP IPv4 packet.

CVSS Scores

version 3.1