TYPO3 File list Cross Site Scripting Vulnerability

Bugtraq ID:	37632
Class:	Input Validation Error
CVE:	CVE-2009-4391
Remote:	Yes
Local:	No
Published:	Dec 15 2009 12:00AM
Updated:	Jan 06 2010 02:42PM
Credit:	Alexander Kellner
Vulnerable:	Typo3 File list 2.1.1
Not Vulnerable:	Typo3 File list 2.1.2

TYPO3 File list Cross Site Scripting Vulnerability

TYPO3 File list ('dr_blob') extension is prone to an unspecified cross-site scripting vulnerability because it fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may let the attacker steal cookie-based authentication credentials and launch other attacks.

File list 2.1.1 is vulnerable; other versions may also be affected.

TYPO3 File list Cross Site Scripting Vulnerability

Attackers can exploit this issue by enticing an unsuspecting victim into following a malicious URI.

TYPO3 File list Cross Site Scripting Vulnerability

Solution:
The vendor released an update. Please see the references for details.


Typo3 File list 2.1.1

• Typo3 dr_blob_2.1.2.t3x
  http://typo3.org/fileadmin/ter/d/r/dr_blob_2.1.2.t3x

TYPO3 File list Cross Site Scripting Vulnerability

References:

• Synnefoims Homepage (synnefoims)
  
• TYPO3 Collective Security Bulletin TYPO3-SA-2009-020: Several vulnerabilities in (TYPO3)