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             AUSCERT External Security Bulletin Redistribution

        ESA-2015-171 EMC NetWorker Denial-of-service Vulnerability
                              7 December 2015


        AusCERT Security Bulletin Summary

Product:          EMC NetWorker
Publisher:        EMC
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access:    Denial of Service -- Remote with User Interaction
Resolution:       Patch/Upgrade
CVE Names:        CVE-2015-6849  

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ESA-2015-171 EMC NetWorker Denial-of-service Vulnerability

EMC Identifier: ESA-2015-171

CVE Identifier: CVE-2015-6849

Severity Rating: CVSS v2 Base Score: 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C)

Affected products:

EMC NetWorker version and prior

EMC NetWorker version and prior

EMC NetWorker version and prior

EMC NetWorker version and prior

EMC NetWorker version 9.0 prior to build 407


EMC NetWorker contains a resolution for a Denial-of-service vulnerability. The
vulnerability when exploited may allow malicious users to disrupt NetWorker 
services on affected systems.


EMC NetWorker contains a Denial-of-service vulnerability that is caused by 
incorrect handling of malformed messages. A malicious user can construct and 
use malformed messages as a part of RPC authentication attempt, which can 
result in Denial-of-service from critical NetWorker processes.


The following EMC NetWorker releases contain resolution to this vulnerability:

EMC NetWorker version or later

EMC NetWorker version or later

EMC NetWorker version or later

EMC NetWorker version 9.0 Build 407 or higher

EMC recommends all customers upgrade NetWorker to one of the above appropriate
versions at the earliest opportunity. (i.e. If you are running NW 8.0.x, you 
would upgrade to NW, if you are running NW 8.1.x, you would upgrade to
NW Note: Please ensure you confirm supportability of the NW Client 
version with any NetWorker Modules on the Client by referring to Software 
compatibility guide for your appropriate NW version 
http://compatibilityguide.emc.com:8080/ (NW 8.1.x and higher), or 
(NW version 8.0.x)

Link to remedies:

Registered EMC Online Support customers can download NetWorker patches and 
software from the EMC Online Support website: 

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 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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