# ThinkPHP 小于5.0.24 远程代码执行高危漏洞 修复方案 ``` \\thinkphp\\library\\think\\Request.php ``` ``` public function method($method = false) { if (true === $method) { // 获取原始请求类型 return $this->server('REQUEST_METHOD') ?: 'GET'; } elseif (!$this->method) { if (isset($_POST[Config::get('var_method')])) { $this->method = strtoupper($_POST[Config::get('var_method')]); $this->{$this->method}($_POST); } elseif (isset($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE'])) { $this->method = strtoupper($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE']); } else { $this->method = $this->server('REQUEST_METHOD') ?: 'GET'; } } return $this->method; } ``` 改成 ``` public function method($method = false) { if (true === $method) { // 获取原始请求类型 return $this->server('REQUEST_METHOD') ?: 'GET'; } elseif (!$this->method) { if (isset($_POST[Config::get('var_method')])) { $method = strtoupper($_POST[Config::get('var_method')]); if (in_array($method, ['GET', 'POST', 'DELETE', 'PUT', 'PATCH'])) { $this->method = $method; $this->{$this->method}($_POST); } else { $this->method = 'POST'; } unset($_POST[Config::get('var_method')]); } elseif (isset($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE'])) { $this->method = strtoupper($_SERVER['HTTP_X_HTTP_METHOD_OVERRIDE']); } else { $this->method = $this->server('REQUEST_METHOD') ?: 'GET'; } } return $this->method; } ```