metasploit-framework/modules/auxiliary/scanner/nfs/nfsmount.rb

83 lines
2.0 KiB
Ruby

##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::SunRPC
include Msf::Auxiliary::Report
include Msf::Auxiliary::Scanner
def initialize
super(
'Name' => 'NFS Mount Scanner',
'Description' => %q{
This module scans NFS mounts and their permissions.
},
'Author' => ['<tebo[at]attackresearch.com>'],
'References' =>
[
['CVE', '1999-0170'],
['URL', 'http://www.ietf.org/rfc/rfc1094.txt']
],
'License' => MSF_LICENSE
)
end
def run_host(ip)
begin
program = 100005
progver = 1
procedure = 5
sunrpc_create('udp', program, progver)
sunrpc_authnull()
resp = sunrpc_call(procedure, "")
# XXX: Assume that transport is udp and port is 2049
# Technically we are talking to mountd not nfsd
report_service(
:host => ip,
:proto => 'udp',
:port => 2049,
:name => 'nfsd',
:info => "NFS Daemon #{program} v#{progver}"
)
exports = resp[3,1].unpack('C')[0]
if (exports == 0x01)
shares = []
while XDR.decode_int!(resp) == 1 do
dir = XDR.decode_string!(resp)
grp = []
while XDR.decode_int!(resp) == 1 do
grp << XDR.decode_string!(resp)
end
print_good("#{ip} NFS Export: #{dir} [#{grp.join(", ")}]")
shares << [dir, grp]
end
report_note(
:host => ip,
:proto => 'udp',
:port => 2049,
:type => 'nfs.exports',
:data => { :exports => shares },
:update => :unique_data
)
elsif(exports == 0x00)
print_status("#{ip} - No exported directories")
end
sunrpc_destroy
rescue ::Rex::Proto::SunRPC::RPCTimeout
end
end
end