XSRF (CSRF) in NPDS REvolution

[advisory () htbridge ch]

Vulnerability ID: HTB22367
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_npds_revolution.html
Product: NPDS REvolution
Vendor: NPDS
Vulnerable Version: REvolution 10.02 and Probably Prior Versions
Vendor Notification: 06 May 2010 
Vulnerability Type: CSRF (Cross-Site Request Forgery)
Status: Fixed by Vendor
Risk level: Low 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the "admin.php" script to properly verify the source of HTTP request. 

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. 

Attacker can use browser to exploit this vulnerability. The following PoC is available: 


<img src="http://host/admin.php?op=ConfigFiles_save&Xtxt=<?+phpinfo()+?>&Xfiles=footer_after&confirm=1">


Solution: Upgrade to the most recent verison