Home / mailings [gentoo-announce] [ GLSA 201710-27 ] Dnsmasq: Multiple vulnerabilities
Posted on 23 October 2017
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Gentoo Linux Security Advisory GLSA 201710-27
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https://security.gentoo.org/
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Severity: Normal
Title: Dnsmasq: Multiple vulnerabilities
Date: October 23, 2017
Bugs: #632692
ID: 201710-27
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Synopsis
========
Multiple vulnerabilities have been found in Dnsmasq, the worst of which
may allow remote attackers to execute arbitrary code.
Background
==========
Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP
server.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dns/dnsmasq < 2.78 >= 2.78
Description
===========
Multiple vulnerabilities have been discovered in Dnsmasq. Please review
the references below for details.
Impact
======
A remote attacker could execute arbitrary code or cause a Denial of
Service condition via crafted DNS, IPv6, or DHCPv6 packets.
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-2.78"
References
==========
[ 1 ] CVE-2017-14491
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14491
[ 2 ] CVE-2017-14492
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14492
[ 3 ] CVE-2017-14493
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14493
[ 4 ] CVE-2017-14494
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14494
[ 5 ] CVE-2017-14495
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14495
[ 6 ] CVE-2017-14496
https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-14496
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201710-27
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 2017 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
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