Module: Msf::Exploit::Remote::HTTP::Moodle::Login

Included in:
Msf::Exploit::Remote::HTTP::Moodle
Defined in:
lib/msf/core/exploit/remote/http/moodle/login.rb

Instance Method Summary collapse

Instance Method Details

#moodle_login(user, pass, timeout = 20) ⇒ HttpCookie?

performs a moodle login

Parameters:

  • user (String)

    Username

  • pass (String)

    Password

  • timeout (Integer) (defaults to: 20)

    The maximum number of seconds to wait before the request times out

Returns:

  • (HttpCookie, nil)

    the session cookies as a single string on successful login, nil otherwise



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
# File 'lib/msf/core/exploit/remote/http/moodle/login.rb', line 10

def (user, pass, timeout = 20)
  res = send_request_cgi({
    'uri' => ,
    'keep_cookies' => true
  }, timeout)
  return nil unless res

  res.body =~ /name="logintoken" value="([^"]+)">/

  res = send_request_cgi!({
    'method' => 'POST',
    'uri' => ,
    'vars_post' => (user, pass, Regexp.last_match(1)),
    'keep_cookies' => true
  }, timeout, 20) # typical redirect is 3-5, but it may do more if caching gets messed up on server

  if !res || (res.code != 200) || !res.body.include?('<title>Dashboard</title>')
    return nil
  end

  cookies = cookie_jar.cookies
  cookie_jar.clear
  store_valid_credential(user: user, private: pass)
  return cookies
end

#moodle_loginas(course_id, user_id, session_key, timeout = 20) ⇒ HttpResponse?

performs a loginas moodle account impersonation

Parameters:

  • course_id (String)

    ID of the course the user is registered in

  • user_id (String)

    User ID of the user to impersonate

  • session_key (String)

    session key for the current session

Returns:

  • (HttpResponse, nil)

    the HttpResponse object on successful impersonation, nil otherwise



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
# File 'lib/msf/core/exploit/remote/http/moodle/login.rb', line 42

def moodle_loginas(course_id, user_id, session_key, timeout = 20)
  res = send_request_cgi({
    'uri' => moodle_url_loginas,
    'vars_get' => moodle_helper_loginas_get_data(course_id, user_id, session_key),
    'keep_cookies' => true
  }, timeout)
  return nil unless res

  # click the 'continue' button
  res = send_request_cgi({
    'uri' => normalize_uri(target_uri.path, 'course', 'view.php'),
    'vars_get' =>
        {
          'id' => course_id
        },
    'keep_cookies' => true
  })
  return nil unless res

  res
end