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[ GLSA 200711-34 ] CSTeX: Multiple vulnerabilities
From: Pierre-Yves Rofes <py () gentoo org>
Date: Sun, 25 Nov 2007 23:49:13 +0100

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Gentoo Linux Security Advisory                           GLSA 200711-34
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: CSTeX: Multiple vulnerabilities
      Date: November 25, 2007
      Bugs: #196673
        ID: 200711-34

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Synopsis
========

Multiple vulnerabilities were discovered in CSTeX, possibly allowing to
execute arbitrary code or overwrite arbitrary files.

Background
==========

CSTeX is a TeX distribution with Czech and Slovak support. It is used
for creating and manipulating LaTeX documents.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  app-text/cstetex     < 2.0.2-r2                       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.
    -------------------------------------------------------------------
    -------------------------------------------------------------------
     NOTE: Packages marked with asterisks require manual intervention!

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

Multiple issues were found in the teTeX 2 codebase that CSTeX builds
upon (GLSA 200709-17, GLSA 200711-26). CSTeX also includes vulnerable
code from the GD library (GLSA 200708-05), from Xpdf (GLSA 200709-12,
GLSA 200711-22) and from T1Lib (GLSA 200710-12).

Impact
======

Remote attackers could possibly execute arbitrary code and local
attackers could possibly overwrite arbitrary files with the privileges
of the user running CSTeX via multiple vectors.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

CSTeX is not maintained upstream, so the package was masked in Portage.
We recommend that users unmerge CSTeX:

    # emerge --unmerge app-text/cstetex

As an alternative, users should upgrade their systems to use teTeX or
TeX Live with its Babel packages.

References
==========

  [ 1 ] GLSA 200708-05
        http://www.gentoo.org/security/en/glsa/glsa-200708-05.xml
  [ 2 ] GLSA 200709-12
        http://www.gentoo.org/security/en/glsa/glsa-200709-12.xml
  [ 3 ] GLSA 200709-17
        http://www.gentoo.org/security/en/glsa/glsa-200709-17.xml
  [ 4 ] GLSA 200710-12
        http://www.gentoo.org/security/en/glsa/glsa-200710-12.xml
  [ 5 ] GLSA 200711-22
        http://www.gentoo.org/security/en/glsa/glsa-200711-22.xml
  [ 6 ] GLSA 200711-26
        http://www.gentoo.org/security/en/glsa/glsa-200711-26.xml

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

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

  http://security.gentoo.org/glsa/glsa-200711-34.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 2007 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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