GLSA 201409-03: dhcpcd: Denial of service

Severity:normal
Title:dhcpcd: Denial of service
Date:09/03/2014
Bugs: #518596
ID:201409-03

Synopsis

A vulnerability in dhcpcd can lead to a Denial of Service condition.

Background

dhcpcd is a fully featured, yet light weight RFC2131 compliant DHCP client.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-misc/dhcpcd < 6.4.3 >= 6.4.3 All supported architectures

Description

A vulnerability has been discovered in dhcpcd. A malicious dhcp server can set flags as part of the dhcp reply that can cause a Denial of Service condition.

Impact

A remote attacker can cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All dhcpcd users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/dhcpcd-6.4.3"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201409-03.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.

License

Copyright 2010 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.

Thank you!