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Gentoo Linux Security Advisory GLSA 200808-05
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http://security.gentoo.org/
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Severity: Normal
Title: ISC DHCP: Denial of Service
Date: August 06, 2008
Bugs: #227135
ID: 200808-05
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Synopsis
=======
A Denial of Service vulnerability was discovered in ISC DHCP.
Background
=========
ISC DHCP is ISC's reference implementation of all aspects of the
Dynamic Host Configuration Protocol.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/dhcp < 3.1.1 >= 3.1.1
Description
==========
A buffer overflow error was found in ISC DHCP server, that can only be
exploited under unusual server configurations where the DHCP server is
configured to provide clients with a large set of DHCP options.
Impact
=====
A remote attacker could exploit this vulnerability to cause a Denial of
Service.
Workaround
=========
There is no known workaround at this time.
Resolution
=========
All ISC DHCP users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/dhcp-3.1.1"
References
=========
[ 1 ] CVE-2007-0062
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0062
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200808-05.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
http://bugs.gentoo.org.
License
======
Copyright 2008 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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