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Novell eDirectory Input Validation Hole in 'dconserv.dlm' Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1022979 |
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SecurityTracker URL: http://securitytracker.com/id/1022979
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Oct 2 2009
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Impact:
Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Exploit Included: Yes
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Version(s): 8.8 SP5
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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.
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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.
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Solution:
No solution was available at the time of this entry.
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Vendor URL: www.novell.com/ (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Thu, 1 Oct 2009 06:19:06 -0700 (PDT)
Subject: {PRL} Novell Edirectory 8.8 SP5 XSS
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#####################################################################################
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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