HTB22835: DoS (Denial of Service) Risk in FlatnuX

[advisory () htbridge ch]

Vulnerability ID: HTB22835
Reference: http://www.htbridge.ch/advisory/dos_denial_of_service_risk_in_flatnux.html
Product: FlatNux
Vendor: Alessandro Vernassa ( http://www.flatnux.altervista.org/ ) 
Vulnerable Version: flatnux-2011-01.26 and probably prior versions
Vendor Notification: 03 February 2011 
Vulnerability Type: DoS (Denial of Service) Risk
Status: Fixed by Vendor
Risk level: Low 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 

Vulnerability Details:
This attack can be aimed to block the website. The following PoC is available:
http://host/login.html?mod[]=login&op=modprof&user=dos
Also this generated an error that will reveal the full path of the script.
Solution: Upgrade to the most recent version