dnsmasq < 2.76 Empty Address Denial of Service (CVE-2015-8899)

high Nessus Plugin ID 106138
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


The remote DNS / DHCP service is affected by a denial of service vulnerability.


The version of dnsmasq installed on the remote host is at least 2.73 and prior to 2.76, and thus, is affected by a denial of service vulnerability when handling a reply that a given name is empty while the A or AAAA record is defined locally and in a hosts file.


Upgrade to dnsmasq 2.76 or later.

See Also



Plugin Details

Severity: High

ID: 106138

File Name: dnsmasq_2_76.nasl

Version: 1.5

Type: remote

Family: DNS

Published: 1/18/2018

Updated: 11/8/2019

Dependencies: dns_version.nasl

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2015-8899


Risk Factor: Low

Score: 3.6


Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C


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: 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

Patch Publication Date: 11/14/2014

Vulnerability Publication Date: 4/18/2016

Reference Information

CVE: CVE-2015-8899

BID: 91031