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Gentoo Linux Security Advisory 200812-20

Gentoo Linux Security Advisory 200812-20
Posted Dec 30, 2008
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200812-20 - Multiple vulnerabilities have been discovered in phpCollab allowing for remote injection of shell commands, PHP code and SQL statements. Versions less than or equal to 2.5_rc3 are affected.

tags | advisory, remote, shell, php, vulnerability
systems | linux, gentoo
advisories | CVE-2006-1495, CVE-2008-4303, CVE-2008-4304, CVE-2008-4305
MD5 | a14f795b5cd30218af0c9e568d7f68fb

Gentoo Linux Security Advisory 200812-20

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Gentoo Linux Security Advisory GLSA 200812-20
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http://security.gentoo.org/
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Severity: High
Title: phpCollab: Multiple vulnerabilities
Date: December 21, 2008
Bugs: #235052
ID: 200812-20

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Synopsis
========

Multiple vulnerabilities have been discovered in phpCollab allowing for
remote injection of shell commands, PHP code and SQL statements.

Background
==========

phpCollab is a web-enabled groupware and project management software
written in PHP. It uses SQL-based database backends.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/phpcollab <= 2.5_rc3 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.

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

Multiple vulnerabilities have been found in phpCollab:

* rgod reported that data sent to general/sendpassword.php via the
loginForm parameter is not properly sanitized before being used in an
SQL statement (CVE-2006-1495).

* Christian Hoffmann of Gentoo Security discovered multiple
vulnerabilites where input is insufficiently sanitized before being
used in an SQL statement, for instance in general/login.php via the
loginForm parameter. (CVE-2008-4303).

* Christian Hoffmann also found out that the variable
$SSL_CLIENT_CERT in general/login.php is not properly sanitized
before being used in a shell command. (CVE-2008-4304).

* User-supplied data to installation/setup.php is not checked before
being written to include/settings.php which is executed later. This
issue was reported by Christian Hoffmann as well (CVE-2008-4305).

Impact
======

These vulnerabilities enable remote attackers to execute arbitrary SQL
statements and PHP code. NOTE: Some of the SQL injection
vulnerabilities require the php.ini option "magic_quotes_gpc" to be
disabled. Furthermore, an attacker might be able to execute arbitrary
shell commands if "register_globals" is enabled, "magic_quotes_gpc" is
disabled, the PHP OpenSSL extension is not installed or loaded and the
file "installation/setup.php" has not been deleted after installation.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

phpCollab has been removed from the Portage tree. We recommend that
users unmerge phpCollab:

# emerge --unmerge "www-apps/phpcollab"

References
==========

[ 1 ] CVE-2006-1495
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1495
[ 2 ] CVE-2008-4303
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4303
[ 3 ] CVE-2008-4304
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4304
[ 4 ] CVE-2008-4305
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4305

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

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

http://security.gentoo.org/glsa/glsa-200812-20.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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