[UNIX] CensorNet Cross Site Scripting Vulnerability (DENIEDURL)

From: SecuriTeam (support_at_securiteam.com)
Date: 10/26/03

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Date: 26 Oct 2003 19:57:07 +0200

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      CensorNet Cross Site Scripting Vulnerability (DENIEDURL)
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.intrago.co.uk/products/censornet.php> CensorNet is "Linux
    based Internet Management software designed to control and monitor
    individuals accessing Internet resources on a local area network". A
    cross-site scripting vulnerability has been found in the product allowing
    remote attackers to inject arbitrary code into the product's "denied" web
    page.

    DETAILS

    A cross-site scripting vulnerability exists in the CensorNet Proxy Service
    that allows scripting (and HTML) to be passed to the CGI script and
    displayed in the web browser.

    Exploit:
    By supplying a URL such as:
    http://SERVER/cgi-bin/dansguardian.pl?DENIEDURL=><
    script>alert('boo');</script>

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:maudr001@rbwm.org> Richard
    Maudsley.

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