Universal Password enables advanced password policies, including extended characters in passwords, synchronization of passwords from eDirectory to other systems, and a single password for all access to eDirectory.
Ports
Any
Protocols
n/a
Attribution
Nmap Project
Copy the command and adjust the target or script arguments as needed.
nmap -p 636 --script ldap-novell-getpass --script-args \
'ldap-novell-getpass.username="CN=admin,O=cqure", \
ldap-novell-getpass.password=pass1234, \
ldap-novell-getpass.account="CN=paka,OU=hr,O=cqure"'The full script source is stored with this entry and is hidden by default to keep the page easier to scan.
local comm = require "comm"
local ldap = require "ldap"
local shortport = require "shortport"
local stdnse = require "stdnse"
local table = require "table"
description = [[
Attempts to retrieve the Novell Universal Password for a user. You
must already have (and include in script arguments) the username and password for an eDirectory server
administrative account.
]]
---
-- Universal Password enables advanced password policies, including extended
-- characters in passwords, synchronization of passwords from eDirectory to
-- other systems, and a single password for all access to eDirectory.
--
-- In case the password policy permits administrators to retrieve user
-- passwords ("Allow admin to retrieve passwords" is set in the password
-- policy) this script can retrieve the password.
--
-- @args ldap-novell-getpass.account The name of the account to retrieve the
-- password for
-- @args ldap-novell-getpass.username The LDAP username to use when connecting
-- to the server
-- @args ldap-novell-getpass.password The LDAP password to use when connecting
-- to the server
--
-- @usage
-- nmap -p 636 --script ldap-novell-getpass --script-args \
-- 'ldap-novell-getpass.username="CN=admin,O=cqure", \
-- ldap-novell-getpass.password=pass1234, \
-- ldap-novell-getpass.account="CN=paka,OU=hr,O=cqure"'
--
-- @output
-- PORT STATE SERVICE REASON
-- 636/tcp open ldapssl syn-ack
-- | ldap-novell-getpass:
-- | Account: CN=patrik,OU=security,O=cqure
-- |_ Password: foobar
--
-- Version 0.1
-- Created 05/11/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
author = "Patrik Karlsson"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}
portrule = shortport.port_or_service({389,636}, {"ldap","ldapssl"})
local function fail (err) return stdnse.format_output(false, err) end
function action(host,port)
local username = stdnse.get_script_args("ldap-novell-getpass.username")
local password = stdnse.get_script_args("ldap-novell-getpass.password") or ""
local account = stdnse.get_script_args("ldap-novell-getpass.account")
if ( not(username) ) then
return fail("No username was supplied (ldap-novell-getpass.username)")
end
if ( not(account) ) then
return fail("No account was supplied (ldap-novell-getpass.account)")
else
-- do some basic account validation
if ( not(account:match("^[Cc][Nn]=.*,") ) ) then
return fail("The account argument should be specified as: \"CN=name,OU=orgunit,O=org\"")
end
end
-- In order to discover what protocol to use (SSL/TCP) we need to send a
-- few bytes to the server. An anonymous bind should do it
local anon_bind = stdnse.fromhex( "300c020101600702010304008000" )
local socket, _, opt = comm.tryssl( host, port, anon_bind, nil )
if ( not(socket) ) then
return fail("Failed to connect to LDAP server")
end
local status, errmsg = ldap.bindRequest( socket, {
version = 3,
username = username,
password = password
}
)
if ( not(status) ) then return errmsg end
-- Start encoding the NMAS Get Password Request
local NMASLDAP_GET_PASSWORD_REQUEST = "2.16.840.1.113719.1.39.42.100.13"
local NMASLDAP_GET_PASSWORD_RESPONSE = "2.16.840.1.113719.1.39.42.100.14"
-- Add a trailing zero to the account name
local data = ldap.encode( account .. '\0' )
-- The following section could do with more documentation
-- It's based on packet dumps from the getpass utility available from Novell Cool Solutions
-- encode the account name as a sequence
data = ldap.encode( { _ldaptype = '30', stdnse.fromhex( "020101") .. data } )
data = ldap.encode( { _ldaptype = '81', data } )
data = ldap.encode( { _ldaptype = '80', NMASLDAP_GET_PASSWORD_REQUEST } ) .. data
data = ldap.encode( { _ldaptype = '77', data } )
-- encode the whole extended request as a sequence
data = ldap.encode( { _ldaptype = '30', stdnse.fromhex( "020102") .. data } )
status = socket:send(data)
if ( not(status) ) then return fail("Failed to send request") end
status, data = socket:receive()
if ( not(status) ) then return data end
socket:close()
local response = ldap.decode(data)
-- make sure the result code was a success
local rescode = ( #response >= 2 ) and response[2]
local respname = ( #response >= 5 ) and response[5]
if ( rescode ~= 0 ) then
local errmsg = ( #response >= 4 ) and response[4] or "An unknown error occurred"
return fail(errmsg)
end
-- make sure we get a NMAS Get Password Response back from the server
if ( respname ~= NMASLDAP_GET_PASSWORD_RESPONSE ) then return end
local universal_pw = ( #response >= 6 and #response[6] >= 3 ) and response[6][3]
if ( universal_pw ) then
local output = {}
table.insert(output, ("Account: %s"):format(account))
table.insert(output, ("Password: %s"):format(universal_pw))
return stdnse.format_output(true, output)
else
return fail("No password was found")
end
end
Universal Password enables advanced password policies, including extended characters in passwords, synchronization of passwords from eDirectory to other systems, and a single password for all access to eDirectory. In case the password policy permits administrators to retrieve user passwords (“Allow admin to retrieve passwords” is set in the password policy) this script can retrieve the password.