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[ GLSA 200804-19 ] PHP Toolkit: Data disclosure and Denial of Service
From: Robert Buchholz <rbu () gentoo org>
Date: Fri, 18 Apr 2008 01:35:36 +0200

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Gentoo Linux Security Advisory                           GLSA 200804-19
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: PHP Toolkit: Data disclosure and Denial of Service
      Date: April 17, 2008
      Bugs: #209535
        ID: 200804-19

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Synopsis
========

PHP Toolkit does not quote parameters, allowing for PHP source code
disclosure on Apache, and a Denial of Service.

Background
==========

PHP Toolkit is a utility to manage parallel installations of PHP within
Gentoo. It is executed by the PHP ebuilds at setup.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  app-admin/php-toolkit       < 1.0.1                      >= 1.0.1

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

Toni Arnold, David Sveningsson, Michal Bartoszkiewicz, and Joseph
reported that php-select does not quote parameters passed to the "tr"
command, which could convert the "-D PHP5" argument in the
"APACHE2_OPTS" setting in the file /etc/conf.d/apache2 to lower case.

Impact
======

An attacker could entice a system administrator to run "emerge php" or
call "php-select -t apache2 php5" directly in a directory containing a
lower case single-character named file, which would prevent Apache from
loading mod_php and thereby disclose PHP source code and cause a Denial
of Service.

Workaround
==========

Do not run "emerge" or "php-select" from a working directory which
contains a lower case single-character named file.

Resolution
==========

All PHP Toolkit users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-admin/php-toolkit-1.0.1"

References
==========

  [ 1 ] CVE-2008-1734
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1734

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

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

  http://security.gentoo.org/glsa/glsa-200804-19.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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