TorrentFlux file Script Insertion
TITLE:
TorrentFlux ?file? Script Insertion
CRITICAL:
Moderate
IMPACT:
Cross Site Scripting
WHERE:
>From remote
SOFTWARE:
TorrentFlux 2.x
DESCRIPTION:
I have discovered a vulnerability in TorrentFlux, which can be exploited by
malicious users to conduct script insertion attacks.
Input passed to the ?file? variable is not properly sanitised before being
used. This can be exploited to insert arbitrary HTML and script code, which
will be executed in an administrator?s browser session in context of an
affected site when the ?Activity Log? is viewed. An example is attempting to
login with an incorrect username or password. Where the username field of
/login.php contains the arbitrary code.
The vulnerability has been confirmed in version 2.1. Other versions may also be
affected.
SOLUTION:
Edit the source code to ensure that input is properly sanitised.
/admin.php
Line 338:
$output .= htmlentities($file, ENT_QUOTES);
ORIGINAL ADVISORY:
http://www.stevenroddis.com.au/2006/10/17/torrentflux-file-script-insertion/