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Gentoo Linux Security Advisory                           GLSA 200709-04
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: po4a: Insecure temporary file creation
      Date: September 13, 2007
      Bugs: #189440
        ID: 200709-04

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Synopsis
========

A vulnerability has been discovered in po4a, allowing for a symlink
attack.

Background
==========

po4a is a set of tools for helping with the translation of
documentation.

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

    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  app-text/po4a      < 0.32-r1                           >= 0.32-r1

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

The po4a development team reported a race condition in the gettextize()
function when creating the file "/tmp/gettextization.failed.po".

Impact
======

A local attacker could perform a symlink attack, possibly overwriting
files with the permissions of the user running po4a.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All po4a users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-text/po4a-0.32-r1"

References
==========

  [ 1 ] CVE-2007-4462
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4462

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

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

  http://security.gentoo.org/glsa/glsa-200709-04.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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