Gentoo: 201210-03 rdesktop: Directory Traversal
Posted by Benjamin D. Thomas   
Gentoo A vulnerability which allows a remote attacking server to read or overwrite arbitrary files has been found in rdesktop.
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Gentoo Linux Security Advisory                           GLSA 201210-03
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: rdesktop: Directory Traversal
     Date: October 18, 2012
     Bugs: #364191
       ID: 201210-03

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Synopsis
========

A vulnerability which allows a remote attacking server to read or
overwrite arbitrary files has been found in rdesktop.

Background
==========

rdesktop is a Remote Desktop Protocol (RDP) Client.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-misc/rdesktop            < 1.7.0                    >= 1.7.0

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

A vulnerability has been discovered in rdesktop. Please review the CVE
identifier referenced below for details.

Impact
======

Remote RDP servers may be able to read or overwrite arbitrary files via
a .. (dot dot) in a pathname.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All rdesktop users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/rdesktop-1.7.0"

References
==========

[ 1 ] CVE-2011-1595
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1595

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

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

 http://security.gentoo.org/glsa/glsa-201210-03.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 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