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ESA-2016-062: EMC Data Domain Multiple Vulnerabilities

EMC Identifier: ESA-2016-062

CVE Identifier: CVE-2016-0911, CVE-2016-0912

Severity Rating: See below for individual scores for each CVE

Affected products:  
EMC Data Domain OS 5.4: All versions
EMC Data Domain OS 5.5: All versions
EMC Data Domain OS 5.6: All versions
EMC Data Domain OS 5.7: version 5.7.1.0 and below

Summary:  
EMC Data Domain contains fixes for multiple security vulnerabilities that could potentially be exploited by malicious users to compromise the affected system.

Details:  
•	CVE-2016-0911 - EMC Data Domain Insecure NFS Mount Options Vulnerability: 
Data Domain allows administrator level users to create NFS exports and no_root_squash is used by default which allows client to mount the NFS export as root.

CVSS v3 Base Score: 8.2 (AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)


•	CVE-2016-0912 - EMC Data Domain Insecure Password Reset Vulnerabilities:
Data Domain allows users to change their own password without providing the current password. Data Domain also allows malicious users who belong to certain roles to change passwords of other users belonging to the same role.
CVSS v3 Base Score: 6.8 (AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Resolution:  
The following EMC Data Domain OS release contains resolutions to these vulnerabilities:

•	EMC Data Domain OS version 5.7.2.0

Note to Customers: 
EMC recommends customers to always configure all NFS exports with root_squash.
In addition, once you upgrade to the version mentioned above, we also recommend hardening the system by using registry settings to change the default from no_root_squash to root_squash. For additional information refer to knowledge base article - https://support.emc.com/kb/484174

EMC recommends all customers upgrade at the earliest opportunity. 

Link to remedies:

Registered EMC Online Support customers can download patches and software from support.emc.com at
https://support.emc.com/downloads/32697_DD-OS

If you have any questions, 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 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
security_alert@emc.com
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