[NT] WebBBS Pro Multiple Denial of Service Vulnerabilities (AUX, *, LPT)

From: SecuriTeam (support_at_securiteam.com)
Date: 06/12/03

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      WebBBS Pro Multiple Denial of Service Vulnerabilities (AUX, *, LPT)
    ------------------------------------------------------------------------

    SUMMARY

     <http://webbbs.dynip.com/> WebBBS Pro is "the World's Most Advanced Web
    package providing an easy to use and secure Web Server". Multiple remotely
    exploitable vulnerabilities allow attackers to cause the product to crash.

    DETAILS

    Vulnerable systems:
     * WebBBS Pro version 1.8

    By sending several forms of Windows related DoS attacks, it is possible to
    cause the remote server to do any of the following: crash, consume large
    amounts of memory, and consume large amounts of CPU time.

    Exploit:
    Using the following URL, it is possible to cause the server to consume
    large amounts of CPU time:
    http://host/*
    http://host/CON

    Using the following URL, it is possible to cause the server to hang:
    http://host/AUX

    Vendor status:
    The product appears to no longer exist/abandoned, currently the company
    provides another product called Raven.

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:vulncode@yahoo.com> Ziv
    Kamir (the * vulnerability), and by <mailto:expert@securiteam.com>
    SecurITeam Experts (the CON and AUX vulnerabilities).

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