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TorrentFlux Cross-Site Request Forgery and PHP Code Execution

Secunia Advisory: SA29935  
Release Date: 2008-04-23

Critical:
Moderately critical
Impact: Cross Site Scripting
System access
Where: From remote
Solution Status: Unpatched

Software:TorrentFlux 2.x

This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released!


Description:
Rook Security has reported some vulnerabilities in TorrentFlux, which can be exploited by malicious people to conduct cross-site request forgery attacks and by malicious people or users to potentially compromise a vulnerable system.

1) It is possible to download a malicious PHP file via a torrent, which can then be accessed via html/downloads/<USER_NAME>/. This can potentially be exploited to execute arbitrary PHP code.

2) The application allows users to perform certain actions via HTTP requests without performing any validity checks to verify the request. This can be exploited to e.g. download a malicious file via a torrent or add a new user by enticing a logged-in user to visit a malicious site.

The vulnerabilities are reported in version 2.3. Other versions may also be affected.

Solution:
Grant only trusted users access to the application. Do not browse untrusted sites or follow untrusted links while logged-on to the application.

Provided and/or discovered by:
Rook Security

Original Advisory:
http://www.rooksecurity.com/blog/?p=10



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

4 Related Secunia Security Advisories

1. TorrentFlux Multiple Vulnerabilities
2. TorrentFlux Arbitrary Command Execution And Directory Traversal
3. TorrentFlux Cross-Site Scripting and Script Insertion
4. TorrentFlux "User-Agent" HTTP Header Script Insertion


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