Bulletin Date: September 30, 2020
Platform: macOS
Assigned CVE: CVE-2020-25776
CVSSv3 Score: 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Severity Rating: High
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) | macOS | English |
| Antivirus for Mac | 2019 (v9.x) | macOS | English |
Solution
| Product | Updated Build(s) | Platform | Language(s) |
|---|---|---|---|
| Antivirus for Mac | 2020 (v10.x) via ActiveUpdate | macOS | English |
Trend Micro has addressed this vulnerability on the 2020 family of products (version 10.x) via a patch that is 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 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) is vulnerable to a symbolic link privilege escalation attack where an attacker could exploit a critical file on the system to escalate their privileges.
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:
- Cees Elzinga from Danish Cyber Defence working with Trend Micro’s Zero Day Initiative
Additional Assistance
Customers who have questions are encouraged to contact Trend Micro Technical Support for further assistance.
Technical Reference
- ZDI-CAN-10941