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Gentoo Linux Security Advisory                           GLSA 201512-09
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: encfs: Multiple vulnerabilities
     Date: December 30, 2015
     Bugs: #510290
       ID: 201512-09

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Synopsis
========

Multiple vulnerabilities have been found in encfs, the worst of which
can allow remote attackers to execute arbitrary code or cause a Denial
of Service condition.

Background
==========

Encfs is an implementation of encrypted filesystem in user-space using
FUSE.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-fs/encfs                 < 1.7.5                    >= 1.7.5

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

Multiple vulnerabilities have been discovered in encfs. Please review
the CVE identifiers referenced below for details.

Impact
======

A local attacker can utilize a  possible buffer overflow in the
encodeName method of StreamNameIO and BlockNameIO to execute arbitrary
code or cause a Denial of Service. Also multiple weak cryptographics
practices have been found in encfs.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All encfs users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-fs/encfs-1.7.5"

References
==========

[ 1 ] CVE-2014-3462
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3462

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

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

 https://security.gentoo.org/glsa/201512-09

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 2015 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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