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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.

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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 & 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 

Revision History

Revision

Date

Description

1.0

2021-10-11

Initial Release

2.02021-11-08Added Version 19.4.0.5

Acknowledgements

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

Related Information

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

Legal Disclaimer

Affected Products

NetWorker Family, NetWorker, Product Security Information