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From: Thomas Deutschmann <whissi@gentoo.org>
Reply-To: security@gentoo.org
To: gentoo-announce@lists.gentoo.org
Message-ID: <71467494-08cb-7440-75e5-982f354ab147@gentoo.org>
Subject: [ GLSA 201705-14 ] Smb4K: Arbitrary command execution as root

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Gentoo Linux Security Advisory                           GLSA 201705-14
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Smb4K: Arbitrary command execution as root
     Date: May 26, 2017
     Bugs: #618106
       ID: 201705-14

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Synopsis
========

A vulnerability in Smb4K could allow local attackers to execute
commands as root.

Background
==========

Smb4K is a SMB/CIFS (Windows) share browser for KDE.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/smb4k             < 1.2.3-r1               >= 1.2.3-r1 

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

Smb4k contains a logic flaw in which mount helper binary does not
properly verify the mount command it is being asked to run.

Impact
======

A local user can execute commands with the root privilege due to the
mount helper being installed as suid.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Smb4K users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=net-misc/smb4k-1.2.3-r1:4 "

References
==========

[ 1 ] CVE-2017-8849
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-8849

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

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

 https://security.gentoo.org/glsa/201705-14

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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