GLSA 201702-05: Lsyncd: Remote execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	Lsyncd: Remote execution of arbitrary code
Date:	02/10/2017
Bugs:	#529678
ID:	201702-05

Synopsis

A vulnerability in Lsyncd allows execution of arbitrary code.

Background

A daemon to synchronize local directories using rsync.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-admin/lsyncd	< 2.1.6	>= 2.1.6	All supported architectures

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

CVE-2014-8990

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201702-05.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.