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Alerts This Week
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Gentoo: GLSA-201406-24 Normal: Dnsmasq Denial of Service

gentoo
Calendar Grey June 26, 2014
Scroller Gentoo
Dnsmasq vulnerability leads to Denial of Service. Upgrade to maintain security on Gentoo systems.
A vulnerability in Dnsmasq can lead to a Denial of Service condition.

Summary

When used with certain libvirt configurations Dnsmasq replies to queries from prohibited interfaces.

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity dnsmasq

Resolution

All Dnsmasq users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/dnsmasq-2.66"

References

[ 1 ] CVE-2012-3411 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3411 [ 2 ] CVE-2013-0198 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0198

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201406-24
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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.

Severity: Normal
Title: Dnsmasq: Denial of Service
Date: June 25, 2014
Bugs: #436894, #453170
ID: 201406-24

Topics%20covered

Topics Covered

security advisory denial of service gentoo normal severity dnsmasq

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.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/dnsmasq < 2.66 >= 2.66

Impact

===== A remote attackers can cause a Denial of Service via spoofed TCP based DNS queries.

Workaround

There is no known workaround at this time.