Lantern CMS Cross Site Scripting

2010-10-11T00:00:00
ID PACKETSTORM:94584
Type packetstorm
Reporter High-Tech Bridge SA
Modified 2010-10-11T00:00:00

Description

                                        
                                            `==================================  
Vulnerability ID: HTB22621  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_lantern_cms_1.html  
Product: Lantern CMS  
Vendor: Lantern ( http://www.lanterncms.com/www/html/7-home-page.asp )   
Vulnerable Version: Current at 18.09.2010 and Probably Prior Versions  
Vendor Notification: 22 September 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
Risk level: Medium   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.  
  
The vulnerability exists due to failure in the login script to properly sanitize user-supplied input in "intPassedLocationID" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.  
  
An attacker can use browser to exploit this vulnerability. The following PoC is available:  
  
  
http://host/www/html/11-login.asp?intPassedLocationID=57%27%22%3E%3Cscript%3Ealert%2834%29%3C/script%3E  
  
  
==================================  
Vulnerability ID: HTB22620  
Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_lantern_cms.html  
Product: Lantern CMS  
Vendor: Lantern ( http://www.lanterncms.com/www/html/7-home-page.asp )   
Vulnerable Version: Current at 18.09.2010 and Probably Prior Versions  
Vendor Notification: 22 September 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
Risk level: Medium   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.  
  
The vulnerability exists due to failure in the subscribe script to properly sanitize user-supplied input in "signupemail" variable. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data.  
  
An attacker can use browser to exploit this vulnerability. The following PoC is available:  
  
  
<form method="POST" name="m" action="http://host/www/html/7-home-page.asp">  
<input type="hidden" name="signupemail" value="%27%22%3E%3Cimg+src%3Dx+onerror%3Dalert%2834%29%3E">  
<input type="hidden" name="signupsubmit" value="Submit">  
</form>  
<script>  
document.m.submit();  
</script>  
  
  
`