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AUSCERT External Security Bulletin Redistribution
ESB-2017.1518
ESA-2017-041: EMC VNX1 and VNX2 Family Multiple
Vulnerabilities in VNX Control Station
19 June 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: EMC VNX1 and VNX2
Publisher: EMC
Operating System: Windows
Impact/Access: Root Compromise -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-4987 CVE-2017-4985 CVE-2017-4984
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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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