VMSA-2020-0028:VMware Carbon Black Cloud macOS Sensor installer updates address file overwrite issue
23596
13 December 2020
13 December 2020
CLOSED
LOW
3.6
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
Fixed Version(s) and Release Notes:
https://community.carbonblack.com/t5/Carbon-Black-Cloud-macOS-Sensor/tkb-p/release_notes_macos
Additional Documentation:
None
Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4008
FIRST CVSSv3 Calculator:
https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
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:
E-mail: [email protected]
PGP key at:
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
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