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

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.08% (34th percentile)
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NVD
6.5 medium
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Red Hat
6.5 medium
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SUSE
6.5 medium

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  • Snyk ID SNYK-CENTOS8-DHCPCOMMON-3040610
  • published 6 Oct 2022
  • disclosed 5 Oct 2022
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Introduced: 5 Oct 2022

CVE-2022-2929 Open this link in a new tab
CWE-770 Open this link in a new tab

How to fix?

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

NVD Description

Note: Versions mentioned in the description apply only to the upstream dhcp-common package and not the dhcp-common 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.

References