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             AUSCERT External Security Bulletin Redistribution

        ESA-2013-041: EMC VNX and Celerra Control Station Elevation
                        of Privilege Vulnerability
                                17 May 2013


        AusCERT Security Bulletin Summary

Product:          EMC VNX Control Station
                  EMC Celerra Control Station
Publisher:        EMC
Operating System: VMware ESX Server
                  Network Appliance
Impact/Access:    Increased Privileges -- Existing Account
Resolution:       Patch/Upgrade

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ESA-2013-041: EMC VNX and Celerra Control Station Elevation of Privilege 

EMC Identifier: ESA-2013-041

CVE Identifier: CVE-2013-3270

Severity Rating: CVSS v2 Base Score: 6.8 (AV:L/AC:L/Au:S/C:C/I:C/A:C)

Affected products:

	EMC VNX Control Station versions prior
	EMC Celerra Control Station versions prior


A vulnerability exists in EMC VNX and EMC Celerra Control Station that could 
result in elevation of privileges by a lower level administrator with access 
to the system.


Script files in affected products exist with ownership permissions for the 
nasadmin group account (different from the "nasadmin" user). Commands in these 
files could be executed in a root-level context. A less privileged 
administrator could exploit this vulnerability to run arbitrary commands as the
root user.

Note: The "nasadmin" user account on the VNX or Celerra Control Station is 
designed to be the most privileged (and hence most trusted) administrator for 
the system.  This user has system-wide management capabilities for the box and 
is authorized to make extensive changes to the storage system.  Use of the 
"nasadmin" user account should be viewed and treated appropriately.  Additional 
information about the nasadmin user, group, and role on the VNX and Celerra 
Control Station can be found in EMC Knowledge Base article emc325029.


The following products contain resolution to the security issue described 
	EMC VNX Control Station version and later
	EMC Celerra Control Station version and later

EMC strongly recommends all customers upgrade to above listed versions at the 
earliest opportunity. Customers are advised to always review the usage of the 
"nasadmin" user account on their systems and restrict it as necessary. See EMC 
Knowledge Base article emc325029 for more information.

Link to remedies:

Registered EMC Online Support customers can download software from 
support.emc.com by navigating to
	EMC VNX: https://support.emc.com/downloads/15495_VNX
	EMC Celerra: https://support.emc.com/downloads/7855_Celerra-NS


EMC would like to thank Doug DePerry of iSEC Partners, Inc. for assisting to 
find this issue.

[The following is standard text included in all security advisories.  Please do
not change or delete.]

Read and use the information in this EMC Security Advisory to assist in 
avoiding any situation that might arise from the problems described herein.
If you have any questions regarding this product alert, contact EMC Software 
Technical Support at 1-877-534-2867.

For an explanation of Severity Ratings, refer to EMC Knowledgebase solution 
emc218831. EMC recommends all customers take into account both the base score 
and any relevant temporal and environmental scores which may impact the 
potential severity associated with particular security vulnerability.

EMC Corporation distributes EMC Security Advisories, in order to bring to the 
attention of users of the affected EMC products, important security 
information. EMC recommends that all users determine the applicability of this 
information to their individual situations and take appropriate action. The 
information set forth herein is provided "as is" without warranty of any kind. 
EMC disclaims all warranties, either express or implied, including the 
warranties of merchantability, fitness for a particular purpose, title and 
non-infringement. In no event, shall EMC or its suppliers, be liable for any 
damages whatsoever including direct, indirect, incidental, consequential, loss 
of business profits or special damages, even if EMC or its suppliers have been 
advised of the possibility of such damages. Some states do not allow the 
exclusion or limitation of liability for consequential or incidental damages, 
so the foregoing limitation may not apply.

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