Advisory Details

September 28th, 2020

Trend Micro Maximum Security Race Condition Arbitrary File Deletion Vulnerability

ZDI-20-1227
ZDI-CAN-10819

CVE ID CVE-2020-25775
CVSS SCORE 5.3, AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Maximum Security
VULNERABILITY DETAILS

This vulnerability allows local attackers to delete arbitrary files on affected installations of Trend Micro Maximum Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the implementation of the Secure Erase feature. The issue results from the lack of proper validation of a user-supplied link prior to using it in file operations. An attacker can leverage this vulnerability to delete files in the context of 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-09909
DISCLOSURE TIMELINE
  • 2020-05-20 - Vulnerability reported to vendor
  • 2020-09-28 - Coordinated public release of advisory
CREDIT Abdelhamid Naceri
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