FreeBSD : dnsmasq -- multiple vulnerabilities (b77b5646-a778-11e7-ac58-b499baebfeaf)

critical Nessus Plugin ID 103620


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 FreeBSD host is missing one or more security-related updates.


Google Project Zero reports :

- CVE-2017-14491: Heap based overflow (2 bytes). Before 2.76 and this commit overflow was unrestricted.

- CVE-2017-14492: Heap based overflow.

- CVE-2017-14493: Stack Based overflow.

- CVE-2017-14494: Information Leak

- CVE-2017-14495: Lack of free()

- CVE-2017-14496: Invalid boundary checks. Integer underflow leading to a huge memcpy.

- CVE-2017-13704: Crash on large DNS query


Update the affected packages.

See Also

Plugin Details

Severity: Critical

ID: 103620

File Name: freebsd_pkg_b77b5646a77811e7ac58b499baebfeaf.nasl

Version: 3.12

Type: local

Published: 10/3/2017

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information


Risk Factor: High

Score: 8.4


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

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


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:dnsmasq, p-cpe:/a:freebsd:freebsd:dnsmasq-devel, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/2/2017

Vulnerability Publication Date: 10/2/2017

Exploitable With

Core Impact

Reference Information

CVE: CVE-2017-13704, CVE-2017-14491, CVE-2017-14492, CVE-2017-14493, CVE-2017-14494, CVE-2017-14495, CVE-2017-14496

IAVA: 2017-A-0284-S