full-disclosure - iDEFENSE Security Advisory 08.05.05: EMC Navisphere Manager Directory Traversal Vulnerability

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Date: Fri Aug  5 22:40:50 2005
From: labs-no-reply at idefense.com (iDEFENSE Labs)
Subject: iDEFENSE Security Advisory 08.05.05: EMC
	Navisphere Manager Directory Traversal Vulnerability

EMC Navisphere Manager Directory Traversal Vulnerability

iDEFENSE Security Advisory 08.05.05
www.idefense.com/application/poi/display?id=288&type=vulnerabilities
August 05, 2005

I. BACKGROUND

EMC Navisphere storage management software is a suite of tools that 
enables discovery, monitoring, provisioning, and reporting on EMC 
CLARiiON FC4700 Storage Systems.

II. DESCRIPTION

Remote exploitation a directory traversal vulnerability in EMC Corp. 
Navisphere Manager could allow an attacker to retrieve arbitrary files 
from the system running Navisphere Manager as well as retrieve directory

listings.

The vulnerability specifically exists due to a lack of validation of 
HTTP requests. The following request can be used to retrieve the 
Navisphere Manager log file, which often contains the administrative 
password in plaintext:

http://vulnerable/../../../../../../../EMC/NAVISPHERE/common/log/navimon
.log 

Another flaw allows a user to list the contents of arbitrary directories

by simply appending a '.' to the end of a request. The following request

will list the contents of the server root: 

http://vulnerable/. 

III. ANALYSIS

Successful exploitation allows remote attackers to gain access to files 
on the target system; in some cases, it is possible to retrieve the 
Clarion Administrator password by viewing log files. 

IV. DETECTION

Navisphere Manager Base 6.4.1.0.0 is reportedly vulnerable.

V. WORKAROUND

Limit access to the Navisphere Manager server to only trusted hosts. 
Since the Manager runs on TCP port 80, apply filters where possible.

VI. VENDOR RESPONSE

"The vulnerability identified is found in older versions of Navisphere
Management Server (r), for which an update has been issued.  In these
updated versions, HTTP validation is implemented.  Attempts to traverse
the file system by way of a URL (e.g., "../../..") are detected and such
requests are rejected with the following error:

	'The page cannot be displayed'

Customers running Navisphere Manager Version 6.4, 6.5, or 6.6 who do not
have the following revisions (or higher) should contact their authorized
EMC Service representative:

6.6.0.5.0 Management Server
6.6.0.5.0 Management Server Base
6.6.0.5.0 Windows Management Server

6.5.4.0.0 Management Server
6.5.4.0.0 Management Server Base
6.5.4.0.0 Windows Management Server

6.4.8.0.0 Management Server
6.4.8.0.0 Management Server Base
6.4.8.0.0 Windows Management Server

Later revisions of Navisphere Management Server that come bundled with
the FLARE Operating Environment (FOE) already contain this fix, starting
with FLARE 14 (rev 02.07) released in June 2004."

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CAN-2005-2357 to the "../" issue and CAN-2005-2358 to the trailing
dot issue. These are candidates for inclusion in the CVE list
(http://cve.mitre.org), which standardizes names for security problems.

VIII. DISCLOSURE TIMELINE

04/19/2005  Initial vendor notification
05/05/2005  Initial vendor response
08/05/2005  Coordinated public disclosure

IX. CREDIT

The discoverer of this vulnerability wishes to remain anonymous.

Get paid for vulnerability research
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http://labs.idefense.com

X. LEGAL NOTICES

Copyright (c) 2005 iDEFENSE, Inc.

Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDEFENSE. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically, please
email customerservice@...fense.com for permission.

Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct, indirect,
or consequential loss or damage arising from use of, or reliance on,
this information.