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Gentoo Linux Security Advisory                           GLSA 201411-03
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: TigerVNC: User-assisted execution of arbitrary code
     Date: November 05, 2014
     Bugs: #505170
       ID: 201411-03

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Synopsis
========

A buffer overflow in TigerVNC could result in execution of arbitrary
code or Denial of Service.

Background
==========

TigerVNC is a high-performance VNC server/client.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/tigervnc            < 1.3.1                    >= 1.3.1

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

Two boundary errors in TigerVNC could lead to a heap-based buffer
overflow.

Impact
======

A remote attacker could entice a user to connect to a malicious VNC
server using TigerVNC, possibly resulting in execution of arbitrary
code with the privileges of the process or a Denial of Service
condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All TigerVNC users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/tigervnc-1.3.1"

References
==========

[ 1 ] CVE-2014-0011
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0011

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

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

 http://security.gentoo.org/glsa/glsa-201411-03.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
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2014 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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