GLSA 201710-27: Dnsmasq: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	Dnsmasq: Multiple vulnerabilities
Date:	10/23/2017
Bugs:	#632692
ID:	201710-27

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	Architecture(s)
net-dns/dnsmasq	< 2.78	>= 2.78	All supported architectures

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

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201710-27.xml

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.