bugtraq - [ GLSA 200711-34 ] CSTeX: Multiple vulnerabilities

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Message-ID: <4749FBE9.1060803@gentoo.org>
Date: Sun, 25 Nov 2007 23:49:13 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200711-34 ] CSTeX: Multiple vulnerabilities

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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@...too.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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