Trend Micro Password Manager vulnerable to information disclosure


Password Manager provided by Trend Micro Incorporated generates a key pair and a root certificate on product installation.
The generated private key is not properly protected and any non-administrative user can retrieve the private key (CWE-200).

Note that this vulnerability is different from JVN#49593434.

BlackWingCat of PinkFlyingWhale reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 3.3 (Low) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 1.7 (Low) [IPA Score]
  • Access Vector: Local
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

Trend Micro, Inc.
  • Password Manager for Windows version and earlier
  • Password Manager for MacOS versions 5.0.1047 and earlier

According to the developer, Password Manager for Android and Password Manager for iOS are not affected by this vulnerability.

A malicious user who obtains the private key can generate a crafted server certificate to conduct a phishing attack to this PC's other users.

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

Trend Micro, Inc.
CWE (What is CWE?)

  1. Information Exposure(CWE-200) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2019-19696

  1. JVN : JVN#37183636
  2. National Vulnerability Database (NVD) : CVE-2019-19696
Revision History

  • [2020/01/17]
      Web page was published