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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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Gentoo Linux Security Advisory                           GLSA 200805-13
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: PTeX: Multiple vulnerabilities
      Date: May 12, 2008
      Bugs: #196673
        ID: 200805-13

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Synopsis
========

Multiple vulnerabilities were discovered in PTeX, possibly allowing the
execution of arbitrary code or overwriting arbitrary files.

Background
==========

PTeX is a TeX distribution with Japanese support. It is used for
creating and manipulating LaTeX documents.

Affected packages
=================

    -------------------------------------------------------------------
     Package        /      Vulnerable      /                Unaffected
    -------------------------------------------------------------------
  1  app-text/ptex     < 3.1.10_p20071203          >= 3.1.10_p20071203

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

Multiple issues were found in the teTeX 2 codebase that PTeX builds
upon (GLSA 200709-17, GLSA 200711-26). PTeX 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 PTeX via multiple vectors, e.g. enticing users to
open specially crafted files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PTeX users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/ptex-3.1.10_p20071203"

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-200805-13.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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