U programskom paketu libvirt otkrivena su 4 sigurnosna propusta koja udaljeni napadač može iskoristiti za izvođenje DoS napada, proizvoljno izvršavanje programskog koda ili za pregled proizvoljnih datoteka.

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Gentoo Linux Security Advisory                           GLSA 201202-07
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: libvirt: Multiple vulnerabilities
     Date: February 27, 2012
     Bugs: #358877, #372963, #373991, #386287
       ID: 201202-07

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Synopsis
========

Multiple vulnerabilities were found in libvirt, the worst of which
might allow guest OS users to read arbitrary files on the host OS.

Background
==========

libvirt is a C toolkit to manipulate virtual machines.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-emulation/libvirt       < 0.9.3-r1               >= 0.9.3-r1

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

Multiple vulnerabilities have been discovered in libvirt. Please review
the CVE identifiers referenced below for details.

Impact
======

These vulnerabilites allow a remote attacker to cause a Denial of
Service condition on the host server or libvirt daemon, or  might allow
guest OS users to read arbitrary files on the host OS.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libvirt users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-emulation/libvirt-0.9.3-r1"

References
==========

[ 1 ] CVE-2011-1146
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1146
[ 2 ] CVE-2011-1486
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1486
[ 3 ] CVE-2011-2178
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2178
[ 4 ] CVE-2011-2511
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2511

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

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

 http://security.gentoo.org/glsa/glsa-201202-07.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
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License
=======

Copyright 2012 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