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AUSCERT External Security Bulletin Redistribution
ESB-2008.0481 -- [UNIX/Linux]
eGroupWare: Multiple vulnerabilities
9 May 2008
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AusCERT Security Bulletin Summary
---------------------------------
Product: eGroupWare
Publisher: Gentoo
Operating System: Gentoo
UNIX variants (UNIX, Linux, OSX)
Impact: Execute Arbitrary Code/Commands
Cross-site Scripting
Access: Remote/Unauthenticated
CVE Names: CVE-2008-2041 CVE-2008-1502
Original Bulletin: http://security.gentoo.org/glsa/glsa-200805-04.xml
Comment: This advisory references vulnerabilities in products which run on
platforms other than Gentoo. It is recommended that administrators
running egroupware check for an updated version of the software for
their operating system.
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Gentoo Linux Security Advisory GLSA 200805-04
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http://security.gentoo.org/
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Severity: High
Title: eGroupWare: Multiple vulnerabilities
Date: May 07, 2008
Bugs: #214212, #218625
ID: 200805-04
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Synopsis
========
Multiple vulnerabilities in eGroupWare may lead to execution of
arbitrary PHP code, the ability to upload malicious files and
cross-site scripting attacks.
Background
==========
eGroupWare is a suite of web-based group applications including
calendar, address book, messenger and email.
Affected packages
=================
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Package / Vulnerable / Unaffected
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1 www-apps/egroupware < 1.4.004 >= 1.4.004
Description
===========
A vulnerability has been reported in FCKEditor due to the way that file
uploads are handled in the file
editor/filemanager/upload/php/upload.php when a filename has multiple
file extensions (CVE-2008-2041). Another vulnerability exists in the
_bad_protocol_once() function in the file
phpgwapi/inc/class.kses.inc.php, which allows remote attackers to
bypass HTML filtering (CVE-2008-1502).
Impact
======
The first vulnerability can be exploited to upload malicious files and
execute arbitrary PHP code provided that a directory is writable by the
webserver. The second vulnerability can be exploited by remote
attackers via a specially crafted URL in order to conduct cross-site
scripting attacks.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All eGroupWare users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=www-apps/egroupware-1.4.004"
References
==========
[ 1 ] CVE-2008-1502
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1502
[ 2 ] CVE-2008-2041
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2041
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200805-04.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 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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