GLSA-201512-01 : Dnsmasq: Denial of Service

medium Nessus Plugin ID 87484
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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201512-01 (Dnsmasq: Denial of Service)

An out-of-bounds read vulnerability has been found in the tcp_request function in Dnsmasq.
Impact :

A remote attacker could send a specially crafted DNS request, possibly resulting in a Denial of Service condition.
Workaround :

There is no known workaround at this time.

Solution

All Dnsmasq users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-dns/dnsmasq-2.72-r2'

See Also

https://security.gentoo.org/glsa/201512-01

Plugin Details

Severity: Medium

ID: 87484

File Name: gentoo_GLSA-201512-01.nasl

Version: 2.2

Type: local

Published: 12/18/2015

Updated: 1/11/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 4.7

CVSS v2

Risk Factor: Medium

Base Score: 6.4

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:dnsmasq, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 12/17/2015

Reference Information

CVE: CVE-2015-3294

GLSA: 201512-01