Advisory Details

July 5th, 2021

Trend Micro Password Manager Integer Truncation Privilege Escalation Vulnerability

ZDI-21-773
ZDI-CAN-13319

CVE ID CVE-2021-32461
CVSS SCORE 7.0, (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Trend Micro
AFFECTED PRODUCTS Password Manager
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Password Manager. 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 Trend Micro Password Manager Central Control Service. The issue results from the lack of proper validation of user-supplied data, which can result in an integer truncation before allocating a buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary 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://helpcenter.trendmicro.com/en-us/article/TMKA-10388
DISCLOSURE TIMELINE
  • 2021-03-03 - Vulnerability reported to vendor
  • 2021-07-05 - Coordinated public release of advisory
CREDIT Simon Zuckerbraun - Trend Micro Zero Day Initiative
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