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EMC Isilon OneFS Security Privilege Escalation

EMC Isilon OneFS Security Privilege Escalation
Posted Dec 17, 2015
Site emc.com

EMC Isilon OneFS contains a privilege escalation vulnerability when SmartLock compliance mode is in use. In SmartLock compliance mode, the system is designed to prevent root-level user logins to the system. However, this security vulnerability allows OneFS users with administrative privileges to create root-level users and log in to the system.

tags | advisory, root
advisories | CVE-2015-4545
SHA-256 | f4f6d1a7ab19143caa64aabd4726e3e092c57198ac322964a7c8b8aafcb47f52

EMC Isilon OneFS Security Privilege Escalation

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ESA-2015-148: EMC Isilon OneFS Security Privilege Escalation Vulnerability

EMC Identifier: ESA-2015-148

CVE Identifier: CVE-2015-4545

Severity Rating: CVSS v2 Base Score: 9.0 (AV:N/AC:L/Au:S/C:C/I:C/A:C)

Affected products:
• EMC Isilon OneFS 7.2.1.0
• EMC Isilon OneFS 7.2.0.0 - 7.2.0.3
• EMC Isilon OneFS 7.1.1.0 - 7.1.1.7
• EMC Isilon OneFS 7.1.0.x

Summary:
Code fixes for EMC Isilon OneFS are available to address a privilege escalation vulnerability in SmartLock compliance mode that may potentially be exploited by attackers to compromise the affected system.

Details:
EMC Isilon OneFS contains a privilege escalation vulnerability when SmartLock compliance mode is in use (see KB https://support.emc.com/kb/88677 for more details about SmartLock compliance mode). In SmartLock compliance mode, the system is designed to prevent root-level user logins to the system. However, this security vulnerability allows OneFS users with administrative privileges to create root-level users and log in to the system.

Resolution:
The following versions of EMC Isilon OneFS resolve this vulnerability:
• EMC Isilon OneFS 7.2.1.1
• EMC Isilon OneFS 7.2.0.4
• EMC Isilon OneFS 7.1.1.8
In addition, Patch-156748 is available for customers running OneFS 7.2.0.2.

EMC recommends that all customers upgrade to a version containing the resolution, or install the patch, at the earliest opportunity.

Link to remedies:

Registered EMC Online Support customers can download OneFS installation files from the Downloads for Isilon OneFS page of the EMC Online Support site at https://support.emc.com/downloads/15209_Isilon-OneFS.

Patch-156748 is available at: https://download.emc.com/downloads/DL60659

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.


EMC Product Security Response Center
security_alert@emc.com
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