[ GLSA 200805-07 ] Linux Terminal Server Project: Multiple vulnerabilities

[Robert Buchholz <rbu () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200805-07
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Linux Terminal Server Project: Multiple vulnerabilities
      Date: May 09, 2008
      Bugs: #215699
        ID: 200805-07

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Synopsis
========

Multiple vulnerabilities have been discovered in components shipped
with LTSP which allow remote attackers to compromise terminal clients.

Background
==========

The Linux Terminal Server Project adds thin-client support to Linux
servers.

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

    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  net-misc/ltsp        < 5.0                            Vulnerable!
    -------------------------------------------------------------------
     NOTE: Certain packages are still vulnerable. Users should migrate
           to another package if one is available or wait for the
           existing packages to be marked stable by their
           architecture maintainers.

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

LTSP version 4.2, ships prebuilt copies of programs such as the Linux
Kernel, the X.org X11 server (GLSA 200705-06, GLSA 200710-16, GLSA
200801-09), libpng (GLSA 200705-24, GLSA 200711-08), Freetype (GLSA
200705-02, GLSA 200705-22) and OpenSSL (GLSA 200710-06, GLSA 200710-30)
which were subject to multiple security vulnerabilities since 2006.
Please note that the given list of vulnerabilities might not be
exhaustive.

Impact
======

A remote attacker could possibly exploit vulnerabilities in the
aforementioned programs and execute arbitrary code, disclose sensitive
data or cause a Denial of Service within LTSP 4.2 clients.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

LTSP 4.2 is not maintained upstream in favor of version 5. Since
version 5 is not yet available in Gentoo, the package has been masked.
We recommend that users unmerge LTSP:

    # emerge --unmerge net-misc/ltsp

If you have a requirement for Linux Terminal Servers, please either set
up a terminal server by hand or use one of the distributions that
already migrated to LTSP 5. If you want to contribute to the
integration of LTSP 5 in Gentoo, or want to follow its development,
find details in bug 177580.

References
==========

  [ 1 ] GLSA 200705-02
        http://www.gentoo.org/security/en/glsa/glsa-200705-02.xml
  [ 2 ] GLSA 200705-06
        http://www.gentoo.org/security/en/glsa/glsa-200705-06.xml
  [ 3 ] GLSA 200705-22
        http://www.gentoo.org/security/en/glsa/glsa-200705-22.xml
  [ 4 ] GLSA 200705-24
        http://www.gentoo.org/security/en/glsa/glsa-200705-24.xml
  [ 5 ] GLSA 200710-06
        http://www.gentoo.org/security/en/glsa/glsa-200710-06.xml
  [ 6 ] GLSA 200710-16
        http://www.gentoo.org/security/en/glsa/glsa-200710-16.xml
  [ 7 ] GLSA 200710-30
        http://www.gentoo.org/security/en/glsa/glsa-200710-30.xml
  [ 8 ] GLSA 200711-08
        http://www.gentoo.org/security/en/glsa/glsa-200711-08.xml
  [ 9 ] GLSA 200801-09
        http://www.gentoo.org/security/en/glsa/glsa-200801-09.xml
  [ 10 ] Gentoo bug 177580: Port LTSP 5 to Gentoo
         https://bugs.gentoo.org/177580

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

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

  http://security.gentoo.org/glsa/glsa-200805-07.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
security () gentoo org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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