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Gentoo Linux Security Advisory                           GLSA 201706-09
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: FileZilla: Buffer overflow
     Date: June 06, 2017
     Bugs: #610554
       ID: 201706-09

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Synopsis
========

A vulnerability in a bundled copy of PuTTY in FileZilla might allow
remote attackers to execute arbitrary code or cause a denial of
service.

Background
==========

FileZilla is an open source FTP client.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-ftp/filezilla            < 3.25.2                  >= 3.25.2

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

FileZilla is affected by the same vulnerability as reported in "GLSA
201703-03" because the package included a vulnerable copy of PuTTY.
Please read the GLSA for PuTTY referenced below for details.

Impact
======

A remote attacker, utilizing the SSH agent forwarding of an SSH server,
could execute arbitrary code with the privileges of the user running
FileZilla or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All FileZilla users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-ftp/filezilla-3.25.2"

References
==========

[ 1 ] CVE-2017-6542
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-6542
[ 2 ] GLSA 201703-03
      https://security.gentoo.org/glsa/201703-03

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

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

 https://security.gentoo.org/glsa/201706-09

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 2017 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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