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             AUSCERT External Security Bulletin Redistribution

            EMC Isilon OneFS Privilege Escalation Vulnerability
                             27 November 2015


        AusCERT Security Bulletin Summary

Product:          EMC Isilon OneFS
Publisher:        EMC
Operating System: Virtualisation
Impact/Access:    Root Compromise -- Existing Account
Resolution:       Patch/Upgrade
CVE Names:        CVE-2015-6848  

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ESA-2015-164: EMC Isilon OneFS Privilege Escalation Vulnerability

EMC Identifier: ESA-2015-164

CVE Identifier: CVE-2015-6848

Severity Rating: CVSS v2 Base Score: 8.5 (AV:N/AC:M/Au:S/C:C/I:C/A:C)

Affected products:

EMC Isilon OneFS

EMC Isilon OneFS -

EMC Isilon OneFS -

EMC Isilon OneFS 7.1.0.x


EMC Isilon OneFS is affected by a privilege escalation vulnerability that may
potentially be exploited by attackers to compromise the affected system.


EMC Isilon OneFS is affected by a privilege escalation vulnerability. The 
vulnerability may grant Active Directory (AD) users in trusted domains 
root-level access to EMC Isilon clusters if RFC 2307 is enabled on the 
cluster, and if Windows Services for UNIX (SFU) is not configured on the 
trusted domain.


The following versions of EMC Isilon OneFS resolve this vulnerability:

EMC Isilon OneFS

EMC Isilon OneFS

EMC Isilon OneFS

EMC strongly recommends that all customers upgrade to a version containing the
resolution at the earliest opportunity.


If upgrading is not an option, customers can perform the following workaround:

Do not enable RFC 2307 for AD authentication on your cluster unless your 
domain and all trusted domains have SFU enabled and configured for all domain

Link to remedies:

Registered EMC Online Support customers can download OneFS installation files
from the Downloads for Isilon OneFS page of the EMC Online Support site at 

If you have any questions, please contact EMC Support.

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.

EMC Product Security Response Center


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