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Category:   Application (Forum/Board/Portal)  >   vBulletin Vendors:   Jelsoft Enterprises
vBulletin Forum Software Input Validation Hole in 'calendar.php' Lets Remote Users Execute Commands
SecurityTracker Alert ID:  1005284
SecurityTracker URL:  http://securitytracker.com/id/1005284
CVE Reference:   CVE-2002-1660   (Links to External Site)
Updated:  Jun 3 2008
Original Entry Date:  Sep 25 2002
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): prior to 2.2.8
Description:   An input validation flaw was reported in the vBulletin forum software. A remote user can execute arbitrary commands on the system.

SecuriTeam reported that there is a flaw in the calendar.php script. A remote user can inject SQL commands to be executed by the server.

A demonstration exploit example is provided:

/calendar.php?calbirthdays=1&action=getday&day=2001-8-15&comma=%22;echo%20'';%20echo%20%60[command]%20%60;die();echo%22

SecuriTeam credits gosper at nix.org with reporting this bug.

Impact:   A remote user can execute arbitrary code on the system, typically with the privileges of the web server.
Solution:   The vendor has released a fixed version (2.2.8), available at:

http://www.vbulletin.com/

Vendor URL:  www.vbulletin.com/ (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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