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[gentoo-announce] [ GLSA 201705-14 ] Smb4K: Arbitrary command execution as root

Posted on 26 May 2017
Gentoo-announce

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From: Thomas Deutschmann <whissi@gentoo.org>
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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=E2=80=88 >= 1.2==2E3-r1=E2=80=88

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=E2=80==88"

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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