Home / vulnerabilities Gentoo Linux Security Advisory 201512-01
Posted on 18 December 2015
Source : packetstormsecurity.org Link
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Gentoo Linux Security Advisory GLSA 201512-01
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https://security.gentoo.org/
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Severity: Normal
Title: Dnsmasq: Denial of Service
Date: December 17, 2015
Bugs: #547966
ID: 201512-01
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Synopsis
========
A vulnerability in Dnsmasq can lead to a Denial of Service condition.
Background
==========
Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP
server.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dns/dnsmasq < 2.72-r2 >= 2.72-r2
Description
===========
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.
Resolution
==========
All Dnsmasq users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.72-r2"
References
==========
[ 1 ] CVE-2015-3294
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3294
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201512-01
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2015 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
