GLSA 200411-20: ez-ipupdate: Format string vulnerability
Posted on: 11/11/2004 12:21 PM

An ez-ipupdate security update has been released for Gentoo Linux

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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
================

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Package / Vulnerable / Unaffected
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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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