[ GLSA 202011-03 ] KPMCore: Root privilege escalation

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Gentoo Linux Security Advisory                           GLSA 202011-03
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: KPMCore: Root privilege escalation
     Date: November 03, 2020
     Bugs: #749822
       ID: 202011-03

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Synopsis
========

A vulnerability in kpmcore could result in privilege escalation.

Background
==========

KPMcore, the KDE Partition Manager core, is a library for examining and
modifying partitions, disk devices, and filesystems on a Linux system.
It provides a unified programming interface over top of (external)
system-manipulation tools.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  sys-libs/kpmcore             < 4.2.0                    >= 4.2.0

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

Improper checks on the D-Bus request received resulted in improper
protection for /etc/fstab.

Impact
======

An attacker could esclate privileges to root by exploiting this
vulnerability.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All KPMCore users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-libs/kpmcore-4.2.0"

References
==========

[ 1 ] CVE-2020-27187
      https://nvd.nist.gov/vuln/detail/CVE-2020-27187
[ 2 ] Upstream advisory
      https://mail.kde.org/pipermail/kde-announce/2020-October/000124.html

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

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

 https://security.gentoo.org/glsa/202011-03

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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2020 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.

https://creativecommons.org/licenses/by-sa/2.5

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