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AUSCERT External Security Bulletin Redistribution
ESB-2015.0836
ESA-2015-056: EMC PowerPath Virtual Appliance Undocumented
User Accounts Vulnerability
2 April 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: EMC PowerPath Virtual Appliance
Publisher: EMC
Operating System: VMware ESX Server
Impact/Access: Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2015-0529
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ESA-2015-056: EMC PowerPath Virtual Appliance Undocumented User Accounts
Vulnerability
EMC Identifier: ESA-2015-056
CVE Identifier: CVE-2015-0529
Severity Rating: CVSS v2 Base Score: 5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
Affected products:
EMC PowerPath Virtual Appliance (vApp) versions 1.x
Summary:
EMC PowerPath vApp contains undocumented user accounts that may potentially be
utilized by malicious users to gain limited unauthorized access to the system.
Details:
EMC PowerPath vApp enables the user accounts emcupdate and svcuser which were
found to be undocumented and protected with default passwords. These accounts
are restrictive in nature and may provide limited functionality to the
attacker, such as accessing the system level information, in the event of
unauthorized access.
Resolution:
The following EMC PowerPath vApp version does not contain the undocumented
user accounts:
EMC PowerPath vApp 2.0
EMC strongly recommends all customers to upgrade to the above version at the
earliest opportunity.
Customers who do not wish to upgrade can use the following instructions to
remove the user accounts. These accounts are not required for product
functionality.
1. Login to the appliance as root
2. Issue the following commands:
userdel emcupdate
userdel svcuser
Link to remedies:
Registered EMC Online Support customers can download patches and software from
support.emc.com at: https://support.emc.com
The PowerPath Virtual Appliance 2.0 Install/Upgrade information is available
at:
https://support.emc.com/docu58431_PowerPath-Virtual-Appliance-2.0-Installation-and-Configuration-Guide.pdf?language=en_US
The 2.0 PowerPath Virtual Appliance will be available within the normal
release location, for your reference a PowerPath Virtual Appliance 2.0 Upgrade
Video tutorial is available at: https://community.emc.com/videos/26034.
Credits:
EMC would like to thank Jeremy Brown for reporting this issue.
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 Corporation distributes EMC Security Advisories, in order to bring to the
attention of users of the affected EMC products, important security
information. 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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