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Gentoo Linux Security Advisory                           GLSA 201311-16
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                                            http://security.gentoo.org/
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 Severity: Low
    Title: fcron: Information disclosure
     Date: November 25, 2013
     Bugs: #308075
       ID: 201311-16

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Synopsis
========

A vulnerability has been found in fcron, allowing local attackers to
conduct symlink attacks.

Background
==========

fcron is a periodic command scheduler for Unix-based systems

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-process/fcron           < 3.0.5-r2               >= 3.0.5-r2

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

The fcrontab function contains a race condition relating to symlinks.

Impact
======

A local attacker could perform symlink attacks to read arbitrary files
with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All fcron users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-process/fcron-3.0.5-r2"

References
==========

[ 1 ] CVE-2010-0792
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0792

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

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

 http://security.gentoo.org/glsa/glsa-201311-16.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 2013 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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