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[gentoo-announce] [ GLSA 201706-09 ] FileZilla: Buffer overflow

Posted on 06 June 2017
Gentoo-announce

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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <466e2e09-cfc7-fc26-6d5a-b43be216f35c@gentoo.org>
Subject: [ GLSA 201706-09 ] FileZilla: Buffer overflow

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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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