Date: Thu, 11 Nov 2004 16:00:58 +0100
From: Sune Kloppenborg Jeppesen <jaervosz@gentoo.org>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200411-20 ] ez-ipupdate: Format string vulnerability
Cc: bugtraq@securityfocus.com, full-disclosure@lists.netsys.com,
security-alerts@linuxsecurity.com
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Gentoo Linux Security Advisory GLSA 200411-20
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http://security.gentoo.org/
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Severity: High
Title: ez-ipupdate: Format string vulnerability
Date: November 11, 2004
Bugs: #69658
ID: 200411-20
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Synopsis
========
ez-ipupdate contains a format string vulnerability that could lead to
execution of arbitrary code.
Background
==========
ez-ipupdate is a utility for updating host name information for a large
number of dynamic DNS services.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-dns/ez-ipupdate <= 3.0.11_beta8 >= 3.0.11_beta8-r1
Description
===========
Ulf Harnhammar from the Debian Security Audit Project discovered a
format string vulnerability in ez-ipupdate.
Impact
======
An attacker could exploit this to execute arbitrary code with the
permissions of the user running ez-ipupdate, which could be the root
user.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All ez-ipupdate users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/ez-ipupdate-3.0.11_beta8-r1"
References
==========
[ 1 ] CAN-2004-0980
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0980
[ 2 ] Full Disclosure Announcement
http://lists.netsys.com/pipermail/full-disclosure/2004-November/028590.html
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200411-20.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 2004 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/2.0
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