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Bulletin Date: October 13, 2020

Platform: macOS

Assigned CVEs: CVE-2020-27013

CVSSv3 Score: 4.4

Severity Rating: Medium


Summary

The Trend Micro Antivirus for Mac 2020 consumer family of products has released an update via ActiveUpdate to address a symbolic link privilege escalation vulnerability.

Affected versions

Product Affected Versions Platform Language(s)
Antivirus for Mac 2020 (v10.x) and below macOS English

Solution

Product Updated Build(s) Platform Language(s)
Antivirus for Mac 2021 (v11) macOS English
Antivirus for Mac 2020 (v10.5) 10.5.1623 via ActiveUpdate macOS English
Antivirus for Mac 2020 (v10.0) 10.0.1803 via ActiveUpdate macOS English


Trend Micro has addressed this vulnerability on the 2020 family of products (version 10.x) via patches that are available now through the product’s automatic ActiveUpdate feature for all versions of Trend Micro Antivirus for Mac listed above. Customers who have at least version 10.0 will already have the necessary patch applied. Customers who have version 9.0 and below are recommended to install the latest version (v11) to address the issue.

The latest versions of Trend Micro Antivirus for Mac can be found here.

Vulnerability Details

Trend Micro Antivirus for Mac 2020 (Consumer) contains a vulnerability in the product that occurs when a webserver is started that implements an API with several properties that can be read and written to allowing the attacker to gather and modify sensitive product and user data.

An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Trend Micro has received no reports nor is aware of any actual attacks against the affected product related to this vulnerability at this time.

Acknowledgement

Trend Micro would like to thank the following individual for responsibly disclosing the issue and working with Trend Micro to help protect our customers: 

Additional Assistance

Customers who have questions are encouraged to contact Trend Micro Technical Support for further assistance.

Technical Reference

  • ZDI-20-1243

Related Info

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