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)

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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
3.6
low
3.5.1
None
None
4. References
5. Change Log

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

6. Contact

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