SQL injection vulnerability in Theeta CMS

[advisory () htbridge ch]

Vulnerability ID: HTB22490
Reference: http://www.htbridge.ch/advisory/sql_injection_vulnerability_in_theeta_cms.html
Product: Theeta CMS
Vendor: MN Tech Solutions ( http://www.mntechsolutions.net/ ) 
Vulnerable Version: 0.0
Vendor Notification: 12 July 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 "userarticle.php" script to properly sanitize user-supplied input in 
"start" variable. 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.

Attacker can use browser to exploit this vulnerability. The following PoC is available:
http://host/userblogs/userarticle.php?blogid=1&start=0'+ANY_SQL_CODE