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DSA-2018-141: Dell EMC Unity Family Incorrect File Permissions vulnerability 

Dell EMC Identifier: DSA-2018-141

CVE Identifier: CVE-2018-11064 

Severity Rating: CVSS v3 Base Score: 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected products:  
Dell EMC Unity Operating Environment (OE) versions 4.3.0.x and 4.3.1.x
Dell EMC UnityVSA Operating Environment (OE) versions 4.3.0.x and 4.3.1.x

Summary:  
Dell EMC Unity requires an update to address an Incorrect File Permissions vulnerability with multiple files. This vulnerability may potentially be exploited by malicious local users to compromise the affected system.

Details:  
Dell EMC Unity OE versions 4.3.0.x and 4.3.1.x and UnityVSA OE versions 4.3.0.x and 4.3.1.x contains an Incorrect File Permissions vulnerability. A locally authenticated malicious user could potentially exploit this vulnerability to alter multiple library files in service tools that might result in arbitrary code execution with elevated privileges. No user file systems are directly affected by this vulnerability.    

Resolution:  
The following Dell EMC Unity release contains resolutions to this vulnerability
*  Dell EMC Unity Operating Environment (OE) version 4.4.0.1534750794
*  Dell EMC UnityVSA Operating Environment (OE) versions 4.4.0.1534750794

To take advantage of the latest security fixes and enhancements, Dell EMC recommends upgrading to the latest Dell EMC Unity OE code. 
Customers can refer to Dell EMC target code information at: https://support.emc.com/docu39695_Target_Revisions_and_Adoption_Rates.pdf?language=en_US&language=en_US. 
 

Link to remedies:
Registered Dell EMC Support customers can download Unity software from the EMC Online Support web site.
https://support.emc.com/downloads/39949_Dell-EMC-Unity-Family 

Severity Rating
For an explanation of Severity Ratings, refer to Dell EMC Knowledgebase article 468307 (https://support.emc.com/kb/468307). Dell 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.
Legal Information
Read and use the information in this Dell EMC Security Advisory to assist in avoiding any situation that might arise from the problems described herein. If you have any questions regarding this advisory, contact Dell EMC Technical Support (https://support.emc.com/servicecenter/contactEMC/). Dell EMC distributes Dell EMC Security Advisories, in order to bring to the attention of users of the affected Dell EMC products, important security information. Dell 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. Dell 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 Dell EMC or its suppliers, be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of bus
 iness profits or special damages, even if Dell 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.
 
Dell EMC Product Security Incident Response Team
secure@dell.com
http://www.emc.com/products/security/product-security-response-center.htm

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