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ESA-2016-121: EMC Unisphere for VMAX and Solutions Enabler Virtual Appliances Multiple Vulnerabilities

EMC Identifier: ESA-2016-121
CVE Identifier: CVE-2016-6645, CVE-2016-6646
Severity Rating: CVSS v3 Base Score: See below for individual CVEs.

Affected products:  
  EMC Unisphere for VMAX Virtual Appliance versions 8.0.x - 8.2.x
  EMC Solutions Enabler Virtual Appliance versions 8.0.x - 8.2.x


Summary:  
The vApp Manager which is embedded in EMC Unisphere for VMAX and Solutions Enabler Virtual Appliances contains fixes for multiple security vulnerabilities that could potentially be exploited by malicious users to compromise the affected system. 

Details:  
  Unauthenticated Command Execution (CVE-2016-6646)
The vApp Managers web application is vulnerable to unauthenticated remote code execution vulnerability. The vApp Manager runs on port 5480 and has a Flash based user interface that uses the AMF protocol to communicate with the server. There are 2 classes, GetSymmCmdRequest and RemoteServiceHandler, that perform no input validation and require no authentication and may be leveraged by an attacker to run arbitrary code on the system with root privileges.

CVSS v3 Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

  Authenticated Command Execution (CVE-2016-6645)
The vApp Managers web application is vulnerable to authenticated remote code execution vulnerability. The vApp Manager runs on port 5480 and has a Flash based user interface that uses the AMF protocol to communicate with the server. There are 3 classes, GeneralCmdRequest, PersistantDataRequest and GetCommandExecRequest, that perform no input validation and may be leveraged by an authenticated attacker to run arbitrary code on the system with root privileges.
CVSS v3 Base Score: 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
 
Resolution:  
The following products contain the resolution to these vulnerabilities:
  EMC Unisphere for VMAX Virtual Appliance version 8.3.0
  EMC Solutions Enabler Virtual Appliance version 8.3.0

EMC recommends all affected customers upgrade at the earliest opportunity. 

Link to remedies:
Customers can download the software from: 
  https://support.emc.com/downloads/27045_Unisphere-for-VMAX
  https://support.emc.com/downloads/2071_Solutions-Enabler


Credit:
EMC would like to thank the following individuals for reporting these vulnerabilities:
  Travis Emmert from Salesforce (CVE-2016-6646)
  Michael Cramer from Digital Defense Inc. (CVE-2016-6645, CVE-2016-6646)

[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 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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