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ESA-2016-054: EMC Avamar Data Store and Avamar Virtual Edition Unauthorized Data Access Vulnerability

EMC Identifier: ESA-2016-054

CVE Identifier: CVE-2016-0906

Severity Rating: 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected products:  
•	EMC Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) all supported versions prior to 7.3.0

Summary:  
EMC Avamar Data Store (ADS) and Avamar Virtual Edition (AVE) have released a fix for a vulnerability that may potentially lead to denial of service and data disclosure.

Details:
When restoring backups of Linux Avamar clients using the web restore interface, a malicious Avamar Client user may read and/or delete critical directories on the Avamar Server. This may lead to a denial-of-service attack on the Avamar Server, or unauthorized access to Avamar Server data by the malicious Avamar Client user. 

Resolution:  
The following HOTFIXES contain the resolution to this issue.
•	EMC Avamar version 7.2.1 – HOTFIX 256706
•	EMC Avamar version 7.1.2 – HOTFIX 256730

Note: EMC Avamar 7.3.0 and above are not vulnerable to this issue.

EMC recommends all customers apply the Hot Fix at the earliest opportunity. Contact EMC Avamar Customer Support at https://support.emc.com for any questions regarding this advisory and reference this article number.  


Link to remedies:

Customers can download and apply the following hotfixes:

 ftp://avamar_ftp:anonymous@ftp.avamar.com/software/hotfixes/256706

ftp://avamar_ftp:anonymous@ftp.avamar.com/software/hotfixes/256730

Follow the instructions in the README.htm page.


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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