Gentoo: Open DC Hub Remote code execution
Posted by LinuxSecurity.com Team   
Gentoo Open DC Hub contains a buffer overflow that can be exploited to allow remote code execution.

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Gentoo Linux Security Advisory                           GLSA 200411-37
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                                             http://security.gentoo.org/
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  Severity: High
     Title: Open DC Hub: Remote code execution
      Date: November 28, 2004
      Bugs: #72371
        ID: 200411-37

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Synopsis
========

Open DC Hub contains a buffer overflow that can be exploited to allow
remote code execution.

Background
==========

Open DC Hub is the hub software for the Direct Connect file sharing
network.

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

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  net-p2p/opendchub      < 0.7.14-r2                   >= 0.7.14-r2

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

Donato Ferrante discovered a buffer overflow vulnerability in the
RedirectAll command of the Open DC Hub.

Impact
======

Upon exploitation, a remote user with administrative privileges can
execute arbitrary code on the system running the Open DC Hub.

Workaround
==========

Only give administrative rights to trusted users.

Resolution
==========

All Open DC Hub users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-p2p/opendchub-0.7.14-r2"

References
==========

  [ 1 ] Full-Disclosure Advisory
         http://archives.neohapsis.com/archives/fulldisclosure/2004-11/1115.html

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

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

   http://security.gentoo.org/glsa/glsa-200411-37.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