OpenSIS Community 8.0 SQL Injection

Credit: Eric Salario
Risk: Medium
Local: No
Remote: Yes

# Exploit Title: OpenSIS Community 8.0 - 'cp_id_miss_attn' SQL Injection # Date: 09/01/2021 # Exploit Author: Eric Salario # Vendor Homepage: # Software Link: # Version: 8.0 # Tested on: Windows, Linux A SQL injection vulnerability exists in the Take Attendance functionality of OS4Ed's OpenSIS 8.0. allows an attacker to inject their own SQL query. The cp_id_miss_attn parameter from TakeAttendance.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request as a user with access to "Take Attendance" functionality to trigger this vulnerability. Steps to reproduce: 1. Login as "Teacher" and navigate to "Attendance" then "Take Attendance". Capture the request on a web proxy such as BurpSuite Or just navigate to the URL: http://localhost/Ajax.php?modn... Vulnerable parameter: cp_id_miss_attn SQLi payload: r AND (SELECT 1670 FROM (SELECT(SLEEP(10)))VSpq) URL with the payload: http://localhost/Ajax.php?modn... AND (SELECT 1670 FROM (SELECT(SLEEP(10)))VSpq) &cpv_id_miss_attn=23&ajax=true 2. The page should load depends on the sleep You can use manual queries to dump database information or use sqlmap. PoC:

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