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Gentoo Linux Security Advisory                           GLSA 201401-24
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                                            http://security.gentoo.org/
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 Severity: Low
    Title: INN: Man-in-the-middle attack
     Date: January 21, 2014
     Bugs: #432002
       ID: 201401-24

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Synopsis
========

A vulnerability in INN's STARTTLS implementation could allow a remote
attacker to conduct a man-in-the-middle attack.

Background
==========

INN is a news server which can interface with Usenet.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-nntp/inn                 < 2.5.3                    >= 2.5.3

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

INN's I/O buffering is not correctly restricted.

Impact
======

A remote attacker could inject commands into encrypted NNTP sessions.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All INN users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-nntp/inn-2.5.3"

References
==========

[ 1 ] CVE-2012-3523
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3523

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

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

 http://security.gentoo.org/glsa/glsa-201401-24.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
https://bugs.gentoo.org.

License
=======

Copyright 2014 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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