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Category:   Application (Directory)  >   Novell eDirectory Vendors:   Novell
Novell eDirectory Input Validation Hole in 'dconserv.dlm' Permits Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1022979
SecurityTracker URL:  http://securitytracker.com/id/1022979
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Oct 2 2009
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Exploit Included:  Yes  
Version(s): 8.8 SP5
Description:   A vulnerability was reported in Novell eDirectory. A remote user can conduct cross-site scripting attacks.

The 'dconserv.dlm' module does not properly filter HTML code from user-supplied input before displaying the input. A remote user can create a specially crafted URL that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the Novell eDirectory software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

A demonstration exploit URL is provided:

https://[target]:8030/dhost/modules?I:dconserv.dlm=%3CSCRIPT%3Ealert(%22Protek%20Research%20Lab's%22);%3C/SCRIPT%3E

Francis Provencher of Protek Research Lab reported this vulnerability.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the Novell eDirectory software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.novell.com/ (Links to External Site)
Cause:   Input validation error

Message History:   None.


 Source Message Contents

Subject:  {PRL} Novell Edirectory 8.8 SP5 XSS

#####################################################################################

Application:  Novell Edirectory 8.8 SP5
            
Platforms:    Windows 2003 Server

Exploitation: XSS

Date:         2009-09-23

Author:       Francis Provencher (Protek Research Lab's)
             

#####################################################################################

1) Introduction
2) Technical details and bug
3) The Code

#####################################################################################

===============
1) Introduction
===============

Novell Directory Services is a hierarchical, object oriented database that represents all the assets in an organization in a logical
 tree. Assets can include people, positions, servers, workstations, applications, printers, services, groups, etc. The use of dynamic
 rights inheritance and equivalence allows both global and fine grained access controls to be implemented efficiently. Access rights
 between objects in the tree are determined at the time of the request and is determined by the rights assigned to the objects by
 virtue of their location in the tree, any security equivalences and individual assignment

(Source Wikipedia)

#####################################################################################

============================
2) Technical details 
============================

Name:	dconserv.dlm
Ver.:	202.19.15.0

#####################################################################################

===========
3) The Code
===========

Proof of concept DoS code;

https://*.*.*.*:8030/dhost/modules?I:dconserv.dlm=%3CSCRIPT%3Ealert(%22Protek%20Research%20Lab's%22);%3C/SCRIPT%3E


#####################################################################################
(PRL-2009-08)


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