Allocation of Resources Without Limits or Throttling Affecting dhcp-libs package, versions <12:4.3.6-49.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.62% (45th percentile)

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  • Snyk IDSNYK-CENTOS8-DHCPLIBS-3040582
  • published6 Oct 2022
  • disclosed5 Oct 2022

Introduced: 5 Oct 2022

CVE-2022-2929  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Centos:8 dhcp-libs to version 12:4.3.6-49.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dhcp-libs package and not the dhcp-libs package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

CVSS Base Scores

version 3.1