Advisory Details

January 29th, 2021

Trend Micro Antivirus for Mac Memory Exhaustion Denial-Of-Service Vulnerability

ZDI-21-102
ZDI-CAN-11605

CVE ID CVE-2021-25227
CVSS SCORE 3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Antivirus for Mac
VULNERABILITY DETAILS

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Trend Micro Antivirus for Mac. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the iCoreService executable. The issue results from the lack of proper validation of user-supplied data, which can result in a memory exhaustion condition. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

ADDITIONAL DETAILS Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://helpcenter.trendmicro.com/en-us/article/TMKA-10191
DISCLOSURE TIMELINE
  • 2020-07-30 - Vulnerability reported to vendor
  • 2021-01-29 - Coordinated public release of advisory
CREDIT Michael DePlante of Trend Micro Zero Day Initiative
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