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Article Number: 000192419


DSA-2021-193: Dell EMC NetWorker and Dell EMC NetWorker vProxy Security Update for Multiple Vulnerabilities

Summary: Dell EMC NetWorker and Dell EMC NetWorker vProxy remediation is available for multiple vulnerabilities that may be exploited by malicious users to compromise the affected system.

Article Content


Impact

Medium

Details

Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2021-36311 Dell EMC Networker versions prior to 19.5 contain an Improper Authorization vulnerability. Any local malicious user with networker user privileges may exploit this vulnerability to upload malicious file to unauthorized locations and execute it. 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
 
Third-party Component CVE More information
Linux Kernel CVE-2021-33909 See NVD (http://nvd.nist.gov/) for individual scores for each CVE
Proprietary Code CVE Description CVSS Base Score CVSS Vector String
CVE-2021-36311 Dell EMC Networker versions prior to 19.5 contain an Improper Authorization vulnerability. Any local malicious user with networker user privileges may exploit this vulnerability to upload malicious file to unauthorized locations and execute it. 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
 
Third-party Component CVE More information
Linux Kernel CVE-2021-33909 See NVD (http://nvd.nist.gov/) for individual scores for each CVE

Dell Technologies recommends all customers consider both the CVSS base score and any relevant temporal and environmental scores that may impact the potential severity associated with a particular security vulnerability.

Affected Products and Remediation

CVEs Addressed Product Affected Versions Updated Versions Link to Update
CVE-2021-36311 Dell EMC NetWorker Client (running nsrrcopy script via nsrexecd) Versions before 19.5.0 19.5.0.2 https://www.dell.com/support/home/en-in/product-support/product/networker/drivers 
19.4.0.5
CVE-2021-33909 Dell EMC NetWorker vProxy  4.3.0-13 and earlier   4.3.0-14 and later which was released as part of the Dell EMC NetWorker 19.5.0.2 release and later.  https://www.dell.com/support/home/en-in/product-support/product/networker/drivers 
CVEs Addressed Product Affected Versions Updated Versions Link to Update
CVE-2021-36311 Dell EMC NetWorker Client (running nsrrcopy script via nsrexecd) Versions before 19.5.0 19.5.0.2 https://www.dell.com/support/home/en-in/product-support/product/networker/drivers 
19.4.0.5
CVE-2021-33909 Dell EMC NetWorker vProxy  4.3.0-13 and earlier   4.3.0-14 and later which was released as part of the Dell EMC NetWorker 19.5.0.2 release and later.  https://www.dell.com/support/home/en-in/product-support/product/networker/drivers 
Acknowledgements

Dell Technologies would like to thank Cesar Neira from Base4 Security for reporting CVE-2021-36311.

Revision History

Revision

Date

Description

1.0

2021-10-11

Initial Release

2.02021-11-08Added Version 19.4.0.5

Related Information

Dell Security Advisories and Notices
Dell Vulnerability Response Policy
CVSS Scoring Guide


The information in this Dell Technologies Security Advisory should be read and used to assist in avoiding situations that may arise from the problems described herein. Dell Technologies distributes Security Advisories to bring important security information to the attention of users of the affected product(s). Dell Technologies assesses the risk based on an average of risks across a diverse set of installed systems and may not represent the actual risk to your local installation and individual environment. It is recommended that all users determine the applicability of this information to their individual environments and take appropriate actions. The information set forth herein is provided "as is" without warranty of any kind. Dell Technologies expressly 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 Technologies, its affiliates or suppliers, be liable for any damages whatsoever arising from or related to the information contained herein or actions that you decide to take based thereon, including any direct, indirect, incidental, consequential, loss of business profits or special damages, even if Dell Technologies, its affiliates or 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 shall apply to the extent permissible under law.

Article Properties


Affected Product

NetWorker Family, NetWorker, Product Security Information

Last Published Date

08 Nov 2021

Version

2

Article Type

Dell Security Advisory

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