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Gentoo Linux Security Advisory                           GLSA 201512-12
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: KDE Systemsettings: Privilege escalation
     Date: December 30, 2015
     Bugs: #528468
       ID: 201512-12

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Synopsis
========

Data validation in KDE Systemsettings could lead to local privilege
escalation.

Background
==========

KDE workspace configuration module for setting the date and time has a
helper program
which runs as root for performing actions.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  kde-base/systemsettings    < 4.11.13-r1            >= 4.11.13-r1

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

KDE Systemsettings fails to properly validate user input before passing
it as argument in context of higher privilege.

Impact
======

A local attacker could gain privileges via a crafted ntpUtility (ntp
utility name) argument.

Workaround
==========

Add a polkit rule to disable the org.kde.kcontrol.kcmclock.save action.

Resolution
==========

All KDE Systemsettings users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot -v ">=kde-base/systemsettings-4.11.13-r1"

References
==========

[ 1 ] CVE-2014-8651
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8651

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

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

 https://security.gentoo.org/glsa/201512-12

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 2015 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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