[ GLSA 200411-20 ] ez-ipupdate: Format string vulnerability

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 200411-20
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                            http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

  Severity: High
     Title: ez-ipupdate: Format string vulnerability
      Date: November 11, 2004
      Bugs: #69658
        ID: 200411-20

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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

Attachment: _bin
Description: