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Bulletin Date: January 29, 2021

CVE Vulnerability Identifiers: CVE-2021-25227

Platform: macOS

CVSSv3 Score: 3.3 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

Severity Rating: Low


Summary

Trend Micro has released a hotfix for the Trend Micro Antivirus for Mac 2021 family of consumer products which resolves memory exhaustion Denial-Of-Service vulnerability.

Affected versions

Product Affected Versions Platform Language(s)
Antivirus for Mac 2021 (v11) macOS English
Antivirus for Mac 2020 (v10.5) macOS English
Antivirus for Mac 2020 (v10.0) macOS English
Antivirus for Mac 2019 (v9.0) macOS English

Solution

Trend Micro has released a hotfix available for each version below, that resolves the issue.

Product Affected Versions Platform Language(s)
Antivirus for Mac 2021 (v11) Hotfix macOS English
Antivirus for Mac 2020 (v10.5) Hotfix macOS English
Antivirus for Mac 2020 (v10.0) Hotfix macOS English
Antivirus for Mac 2019 (v9.0) Hotfix macOS English

Vulnerability Details

Trend Micro Antivirus for Mac 2021 (Consumer) is vulnerable to a memory exhaustion vulnerability that could lead to disabling all the scanning functionality within the application.

Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability – i.e. the attacker must already have access to the target system (either legitimately or via another exploit).

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-CAN-11605

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