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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0626
     ESA-2013-028: EMC NetWorker Elevation of Privilege Vulnerability
                                3 May 2013

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:          EMC NetWorker
Publisher:        EMC Corporation
Operating System: UNIX variants (UNIX, Linux, OSX)
                  Windows
                  VMware ESX Server
Impact/Access:    Increased Privileges -- Existing Account
Resolution:       Patch/Upgrade

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ESA-2013-028: EMC NetWorker Elevation of Privilege Vulnerability

EMC Identifier: ESA-2013-028

EMC Identifier: NW147983

CVE Identifier: CVE-2013- 0940

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

Affected products:

EMC NetWorker version 7.6.5.2 and prior

EMC NetWorker version 8.0.1.3 and prior

Summary:

A vulnerability exists in EMC NetWorker that could result in elevation of 
privileges by an unauthorized user who has access to a local file system.

Details:

EMC NetWorker client nsrpush process, when used, may leave certain files with
insecure permissions. This could be exploited by a local user to manipulate 
scripts and execute malicious code as the root on the local system.

Resolution:

The following EMC NetWorker product contains a resolution for these issues:

EMC NetWorker 7.6.5.3 and above

EMC NetWorker 8.0.1.4 and above

EMC strongly recommends that all customers upgrade to above NetWorker build.

Link to remedies:

Registered EMC Online Support customers can download software from 
support.emc.com. Select Support by Product and type NetWorker. From this page
select Downloads, Documentation or Advisories as required.

Credits:

EMC would like to thank Stefan Wuensch of Harvard University for reporting 
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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===========================================================================
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The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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