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Category:   Application (Generic)  >   EMC DiskXtender Vendors:   EMC
EMC DiskXtender Format String Bug Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1019829
SecurityTracker URL:  http://securitytracker.com/id/1019829
CVE Reference:   CVE-2008-0963   (Links to External Site)
Date:  Apr 11 2008
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.20.060; possibly other versions
Description:   A vulnerability was reported in EMC DiskXtender in the MediaStor. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data via RPC to trigger a format string flaw in the MediaStor and execute arbitrary code on the target system. The code will run with System level privileges.

The affected UUID is: b157b800-aef5-11d3-ae49-00600834c15f

The vendor was notified on February 21, 2008.

Stephen Fewer of Harmony Security reported this vulnerability via iDefense.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix.

The vendor's advisory is available as knowledge base article emc184091, available to registered users at:

http://powerlink.emc.com

Vendor URL:  www.emc.com/products/family/diskxtender-family.htm (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Windows (Any)

Message History:   None.


 Source Message Contents

Subject:  iDefense Security Advisory 04.09.08: EMC DiskXtender MediaStor Format

iDefense Security Advisory 04.09.08
http://labs.idefense.com/intelligence/vulnerabilities/
Apr 09, 2008

I. BACKGROUND

EMC DiskXtender is a data backup and migration suite. It consists of
several applications that are used to manage storing large quantities
of files across multiple storage devices. One of the components of
DiskXtender is the MediaStor, which is used to provide support for a
variety of media and device types. For more information see the
vendor's website at the following URL.

http://software.emc.com/products/product_family/diskxtender_family.htm

II. DESCRIPTION

Remote exploitation of a format string vulnerability in EMC Corp.'s
DiskXtender could allow an attacker to execute arbitrary code with the
privileges of the affected service.

When handling requests on the RPC interface with UUID
b157b800-aef5-11d3-ae49-00600834c15f, the service does not properly
validate the content of a string in requests. Since this string is
passed directly to a formatting function, a format string vulnerability
occurs.

III. ANALYSIS

Exploitation of this vulnerability results in the execution of arbitrary
code with the privileges of the affected service, usually SYSTEM. In
order to exploit this vulnerability, authentication is required.

IV. DETECTION

iDefense confirmed the existence of this vulnerability in DiskXtender
version 6.20.060 for Windows. Previous versions may also be affected.

V. WORKAROUND

iDefense is currently unaware of any effective workaround for this
issue.

VI. VENDOR RESPONSE

"EMC has issued updates to correct this issue. More details can be found
in knowledgebase article emc184091 available from powerlink.emc.com. EMC
customers can further contact EMC Software Technical Support at
1-877-534-2867."

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-0963 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
security problems.

VIII. DISCLOSURE TIMELINE

02/21/2008  Initial vendor notification
02/22/2008  Initial vendor response
04/09/2008  Coordinated public disclosure

IX. CREDIT

This vulnerability was reported to iDefense by Stephen Fewer of Harmony
Security (www.harmonysecurity.com).

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

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http://labs.idefense.com/

X. LEGAL NOTICES


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 e-mail customerservice@idefense.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.

_______________________________________________
To unsubscribe, go here:
http://www.idefense.com/mailman/listinfo/idlabs-advisories


 
 


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