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

ESA-2013-028.txt

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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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