[UNIX] PHP Manpage Lookup File Disclosure

From: SecuriTeam (support_at_securiteam.com)
Date: 01/13/04

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Date: 13 Jan 2004 19:18:58 +0200

    The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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      PHP Manpage Lookup File Disclosure
    ------------------------------------------------------------------------

    SUMMARY

     <http://php.amnuts.com> Manpage Lookup is a PHP class that helps you to
    build a "manpage" frontend in PHP. A vulnerability in the product allows
    remote attackers to view the content of arbitrary files.

    DETAILS

    The script class.manpagelookup.php is vulnerable to a directory
    transversal bug that could lead to disclose any readable (by the HTTPd
    process id) files on the remote server.

    The problem is located in the function buildManPage(), as the $cmd
    variable is not properly filtered allowing any file to be opened.

    Exploit:
    The following URL will display the content of the /etc/resolv.conf file
    http://www.foo.com/manpage/index.php?command=/etc/resolv.conf

    Vendor status:
    The vulnerability has been fixed by Andy (author). Anyone using this
    script should upgrade to the latest version.

    ADDITIONAL INFORMATION

    The information has been provided by
    <mailto:aurelien.cabezon@isecurelabs.com> Cabezon Aurélien.

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