Low

VMSA-2020-0028
3.6
2020-12-15
2020-12-15 (Initial Advisory)
CVE-2020-4008
VMware Carbon Black Cloud macOS Sensor installer updates address file overwrite issue (CVE-2020-4008)
1. Impacted Products

VMware Carbon Black Cloud macOS Sensor

2. Introduction

A file overwrite issue affecting the installation of the Carbon Black Cloud Sensor for macOS, was privately reported to VMware. The issue has been addressed in the latest version of the installer.

3. VMware Carbon Black Cloud macOS Sensor installer file overwrite issue (CVE-2020-4008)

Description

The installer of the macOS Sensor for VMware Carbon Black Cloud handles certain files in an insecure way. VMware has evaluated the severity of this issue to be in the Low severity range with a CVSSv3 base score of 3.6.

Known Attack Vectors

A malicious actor who has local access to the endpoint on which a macOS sensor is going to be installed, may overwrite a limited number of files with output from the sensor installation. The malicious actor would have to trick a victim to install malware in order to obtain such access. Exploitation of this issue can only occur at a specific point of time during the installation process and depends on specific conditions.

Resolution

To remediate CVE-2020-4008 apply the patches listed in the 'Fixed Version' column of the 'Response Matrix' below.

Workarounds

None.

Additional Documentation

None.

Notes

None.

Acknowledgements

VMware would like to thank Jimi Sebree of Tenable Research for reporting this issue to us.

Response Matrix

Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation
Carbon Black Cloud macOS Sensor
3.4.3
macOS
CVE-2020-4008
low
3.5.1
None
None
4. References
5. Change Log

2020-12-15: VMSA-2020-0028
Initial security advisory.

6. Contact

E-mail list for product security notifications and announcements:

https://lists.vmware.com/cgi-bin/mailman/listinfo/security-announce 

 

This Security Advisory is posted to the following lists:  

security-announce@lists.vmware.com  

bugtraq@securityfocus.com  

fulldisclosure@seclists.org 

 

E-mail: security@vmware.com

PGP key at:

https://kb.vmware.com/kb/1055 

 

VMware Security Advisories

https://www.vmware.com/security/advisories 

 

VMware Security Response Policy

https://www.vmware.com/support/policies/security_response.html 

 

VMware Lifecycle Support Phases

https://www.vmware.com/support/policies/lifecycle.html 

 

VMware Security & Compliance Blog  

https://blogs.vmware.com/security 

 

Twitter

https://twitter.com/VMwareSRC

 

Copyright 2020 VMware Inc. All rights reserved.