dnsmasq < 2.45 Multiple Remote DoS

medium Nessus Plugin ID 34111

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Synopsis

The remote DNS / DHCP service is affected by multiple denial of service vulnerabilities.

Description

The remote host is running dnsmasq, a DHCP and DNS server.

The version of dnsmasq installed on the remote host reports itself as 2.43. This version reportedly is affected by 3 denial of service issues :

- The application can crash when an unknown client attempts to renew a DHCP lease.

- The application may crash when a host which doesn't have a lease does a 'DHCPINFORM'.

- There is a crash vulnerability in the netlink code.

Solution

Upgrade to dnsmasq 2.45 or later.

Plugin Details

Severity: Medium

ID: 34111

File Name: dnsmasq_multiple_DoS.nasl

Version: 1.18

Type: remote

Family: DNS

Published: 9/8/2008

Updated: 7/10/2018

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

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 v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/a:thekelleys:dnsmasq

Required KB Items: dns_server/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Reference Information

CVE: CVE-2008-3350

BID: 31017

Detections

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