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ESA-2017-041: EMC VNX1 and VNX2 Family Multiple Vulnerabilities in VNX Control Station

EMC Identifier: ESA-2017-041
CVE Identifier: CVE-2017-4984, CVE-2017-4985, CVE-2017-4987   
Severity Rating: CVSS v3 Base Score: See below for individual CVEs.
Affected products:  
EMC VNX2 versions prior to OE for File 8.1.9.211
EMC VNX1 versions prior to OE for File 7.1.80.8

Summary:  
VNX Control Station for VNX1 and VNX2 contains fixes for multiple security vulnerabilities that may potentially be exploited by malicious users to compromise the affected system.

Details:  

  Remote code execution vulnerability (CVE-2017-4984)


An unauthenticated remote attacker may be able to elevate their permissions to root through a command injection. This may potentially be exploited by an attacker to run arbitrary code with root-level privileges on the targeted VNX Control Station system.
CVSS v3 Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

  Local privilege escalation vulnerability (CVE-2017-4985)


 A local authenticated user may potentially escalate their privileges to root due to authorization checks not being performed on certain perl scripts. This may potentially be exploited by an attacker to run arbitrary commands as root on the targeted VNX Control Station system.
CVSS v3 Base Score: 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
  

  Uncontrolled search path vulnerability (CVE-2017-4987)

This vulnerability may be exploited by a local authenticated user to load a maliciously crafted file in the search path which may potentially allow the attacker to execute arbitrary code on the targeted VNX Control Station system.
CVSS v3 Base Score: 7.0 (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)



Resolution:  
The following releases contains resolutions to these vulnerabilities
  EMC VNX2 OE for File 8.1.9.211
  EMC VNX1 OE for File 7.1.80.8

EMC recommends all customers upgrade at the earliest opportunity. 

Link to remedies:

To upgrade your EMC VNX system contact EMC VNX Customer Support: https://support.emc.com  
Registered EMC Support customers can download EMC VNX software from the EMC Online Support web site at https://support.emc.com.


[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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