Advisory Details

September 25th, 2020

Trend Micro Apex One scanServer64 Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-20-1221
ZDI-CAN-10848

CVE ID CVE-2020-25770
CVSS SCORE 5.5, (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Apex One
VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information on affected installations of Trend Micro Apex One. 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 scanServer64 module. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute code in the context of SYSTEM.

ADDITIONAL DETAILS Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/000271974
DISCLOSURE TIMELINE
  • 2020-05-12 - Vulnerability reported to vendor
  • 2020-09-25 - Coordinated public release of advisory
CREDIT Lynn and Jay Lo
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