CentOS 7 : dhcp (CESA-2018:0158)

high Nessus Plugin ID 106354

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for dhcp is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, including an IP address, a subnet mask, and a broadcast address. The dhcp packages provide a relay agent and ISC DHCP service required to enable and administer DHCP on a network.

Security Fix(es) :

* It was found that the DHCP daemon did not properly clean up closed OMAPI connections in certain cases. A remote attacker able to connect to the OMAPI port could use this flaw to exhaust file descriptors in the DHCP daemon, leading to a denial of service in the OMAPI functionality. (CVE-2017-3144)

Solution

Update the affected dhcp packages.

Plugin Details

Severity: High

ID: 106354

File Name: centos_RHSA-2018-0158.nasl

Version: 3.10

Type: local

Agent: unix

Family: CentOS Local Security Checks

Published: 1/26/2018

Updated: 12/31/2019

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2017-3144

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:dhclient, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:dhcp-devel, p-cpe:/a:centos:centos:dhcp-common, p-cpe:/a:centos:centos:dhcp-libs, p-cpe:/a:centos:centos:dhcp

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/25/2018

Vulnerability Publication Date: 1/16/2019

Reference Information

CVE: CVE-2017-3144

RHSA: 2018:0158

Detections

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