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Category:   Application (Generic)  >   EMC DiskXtender Vendors:   EMC
EMC DiskXtender Stack Overflow Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1019828
SecurityTracker URL:
CVE Reference:   CVE-2008-0962   (Links to External Site)
Date:  Apr 11 2008
Impact:   Execution of arbitrary code via network, Root 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 File System Manager. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data via RPC to trigger a stack overflow in the File System Manager 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:

Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.

 Source Message Contents

Subject:  iDefense Security Advisory 04.09.08: EMC DiskXtender File System

iDefense Security Advisory 04.09.08
Apr 09, 2008


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 File System Manager, which is used to create and
manage backups. For more information see the vendor's website at the
following URL.


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

The File System Manager is prone to a stack-based buffer overflow
vulnerability. When handling requests on the RPC interface with UUID
b157b800-aef5-11d3-ae49-00600834c15f, the service does not properly
validate the length of a string in the request. By making a specially
crafted request, a stack based buffer overflow occurs.


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.


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


iDefense is currently unaware of any effective workaround for this


"EMC has issued updates to correct this issue. More details can be found
in knowledgebase article emc184091 available from EMC
customers can further contact EMC Software Technical Support at


The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-0962 to this issue. This is a candidate for inclusion in
the CVE list (, which standardizes names for
security problems.


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


This vulnerability was reported to iDefense by Stephen Fewer of Harmony
Security (

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