[ GLSA 200901-12 ] noip-updater: Execution of arbitrary code

From: Pierre-Yves Rofes <py@gentoo.org>
To: gentoo-announce@gentoo.org
Cc: full-disclosure@lists.grok.org.uk,bugtraq@securityfocus.com,security-alerts@linuxsecurity.com
Subject: [ GLSA 200901-12 ] noip-updater: Execution of arbitrary code
Date:


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Gentoo Linux Security Advisory                           GLSA 200901-12
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                                              http://security.gentoo.org/
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    Severity: High
       Title: noip-updater: Execution of arbitrary code
        Date: January 18, 2009
        Bugs: #248709
          ID: 200901-12

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Synopsis
========

A buffer overflow in noip-updater can lead to arbitrary code execution.

Background
==========

noip-updater is a tool used for updating IP addresses of dynamic DNS
records at no-ip.com.

Affected packages
=================

      -------------------------------------------------------------------
       Package               /  Vulnerable  /                 Unaffected
      -------------------------------------------------------------------
    1  net-dns/noip-updater       < 2.1.9                       >= 2.1.9

Description
===========

xenomuta found out that the GetNextLine() function in noip2.c misses a
length check, leading to a stack-based buffer overflow.

Impact
======

A remote attacker could exploit this vulnerability to execute arbitrary
code by sending a specially crafted HTTP message to the client. NOTE:
Successful exploitation requires a man in the middle attack, a DNS
spoofing attack or a compromise of no-ip.com servers.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All noip-updater users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-dns/noip-updater-2.1.9"

References
==========

    [ 1 ] CVE-2008-5297
          http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5297

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

    http://security.gentoo.org/glsa/glsa-200901-12.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 2009 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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