CVE-2017-3144

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductIsc Dhcp
PublishedJan 16, 2019
First seenJan 16, 2019

How to fix

Affected products

ProductAffected versionsFixed in
isc dhcp4.2.0 ≤ v ≤ 4.2.8, 4.3.0 ≤ v ≤ 4.3.6, 4.1-esv, 4.1.0—
redhat enterprise_linux_desktop7.0—
redhat enterprise_linux_server7.0—
redhat enterprise_linux_server_aus7.4, 7.6—
redhat enterprise_linux_server_eus7.4, 7.5, 7.6—
redhat enterprise_linux_server_tus7.4, 7.6—
redhat enterprise_linux_workstation7.0—
canonical ubuntu_linux14.04, 16.04, 17.10—
debian debian_linux8.0, 9.0—

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