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Gentoo Linux Security Advisory GLSA 201702-05
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https://security.gentoo.org/
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Severity: Normal
Title: Lsyncd: Remote execution of arbitrary code
Date: February 10, 2017
Bugs: #529678
ID: 201702-05

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Synopsis
========

A vulnerability in Lsyncd allows execution of arbitrary code.

Background
==========

A daemon to synchronize local directories using rsync.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 app-admin/lsyncd < 2.1.6 >= 2.1.6

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

default-rsyncssh.lua in Lsyncd performed insufficient sanitising of
filenames.

Impact
======

An attacker, able to control files processed by Lsyncd, could possibly
execute arbitrary code with the privileges of the process or cause a
Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Lsyncd users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=app-admin/lsyncd-2.1.6”

References
==========

[ 1 ] CVE-2014-8990
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8990

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

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

https://security.gentoo.org/glsa/201702-05

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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