EMC PowerPath Virtual Appliance Undocumented User Accounts

Credit: Jeremy Brown
Risk: Low
Local: No
Remote: Yes

CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

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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