Missing Release of Resource after Effective Lifetime Affecting dhcp-common package, versions <12:4.2.5-58.el7_4.1


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
14.39% (96th percentile)

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  • Snyk IDSNYK-CENTOS7-DHCPCOMMON-2097400
  • published26 Jul 2021
  • disclosed7 Dec 2017

Introduced: 7 Dec 2017

CVE-2017-3144  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade Centos:7 dhcp-common to version 12:4.2.5-58.el7_4.1 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:7 relevant fixed versions and status.

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.

CVSS Scores

version 3.1