Debian DSA-3989-1 : dnsmasq - security update

High Nessus Plugin ID 103608

Synopsis

The remote Debian host is missing a security-related update.

Description

Felix Wilhelm, Fermin J. Serna, Gabriel Campana, Kevin Hamacher, Ron Bowes and Gynvael Coldwind of the Google Security Team discovered several vulnerabilities in dnsmasq, a small caching DNS proxy and DHCP/TFTP server, which may result in denial of service, information leak or the execution of arbitrary code.

Solution

Upgrade the dnsmasq packages.

For the oldstable distribution (jessie), these problems have been fixed in version 2.72-3+deb8u2.

For the stable distribution (stretch), these problems have been fixed in version 2.76-5+deb9u1.

See Also

https://packages.debian.org/source/jessie/dnsmasq

https://packages.debian.org/source/stretch/dnsmasq

https://www.debian.org/security/2017/dsa-3989

Plugin Details

Severity: High

ID: 103608

File Name: debian_DSA-3989.nasl

Version: 3.10

Type: local

Agent: unix

Published: 2017/10/03

Updated: 2019/08/23

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 6.1

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

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

CVSS v3.0

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: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:dnsmasq, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/10/02

Vulnerability Publication Date: 2017/10/03

Exploitable With

Core Impact

Reference Information

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

DSA: 3989

IAVA: 2017-A-0284