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

Medium Nessus Plugin ID 106138

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 3.6


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: Medium

ID: 106138

File Name: dnsmasq_2_76.nasl

Version: 1.5

Type: remote

Family: DNS

Published: 2018/01/18

Updated: 2019/11/08

Dependencies: 72779

Configuration: Enable paranoid mode

Risk Information

Risk Factor: Medium

VPR Score: 3.6

CVSS Score Source: CVE-2015-8899

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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: cpe:/a:thekelleys:dnsmasq

Required KB Items: dns_server/version, Settings/ParanoidReport

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2014/11/14

Vulnerability Publication Date: 2016/04/18

Reference Information

CVE: CVE-2015-8899

BID: 91031