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ESA-2016-036: EMC Unisphere for VMAX Virtual Appliance Arbitrary File Upload Vulnerability

EMC Identifier: ESA-2016-036
CVE Identifier: CVE-2016-0889
Severity Rating: CVSS v3 Base Score: 7.7 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H)


Affected products:  
EMC Unisphere for VMAX Virtual Appliance prior to 8.2.0

Summary:  
EMC Unisphere for VMAX Virtual Appliance contains a fix for an arbitrary file upload vulnerability. This vulnerability could expose the VMAX Virtual Appliance to be potentially compromised by malicious users.

Details:  

EMC Unisphere for VMAX Virtual Appliance is affected by an Arbitrary File Upload vulnerability. A certain HTTP servlet in vApp Manager accepts files from an unauthenticated client and uses the file path provided by the client to form the path on the server and writes the file to that path as the root user. An attacker could exploit this scenario to write arbitrary files to arbitrary paths as root user and compromise the system.



Resolution:  
The following EMC Unisphere for VMAX Virtual Appliance release contains resolution to this vulnerability:
•	EMC Unisphere for VMAX Virtual Appliance 8.2.0

EMC recommends all customers upgrade at the earliest opportunity. 

Link to remedies:
https://support.emc.com/downloads/27045_Unisphere-for-VMAX

Credit: 
EMC would like to thank Travis Emmert of Salesforce.com for reporting this vulnerability.


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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