[Japanese]

JVNDB-2020-000075

The installers of multiple SEIKO EPSON products may insecurely load Dynamic Link Libraries

Overview

The installers of multiple products by SEIKO EPSON CORPORATION contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Yuji Tounai of Mitsui Bussan Secure Directions, Inc. 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 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products


SEIKO EPSON CORPORATION
  • (multiple product)

A wide range of products is affected. For more information, refer to the information provided by the developer. (in Japanese)
Impact

Arbitrary code may be executed with the privilege of the user invoking the installer.
Solution

[Use the latest installer]
Use the latest installers provided by the developer.
Also when executing the installer, be sure to check there are no suspicious files in the directory where the installer resides.

Users who already have installed the software do not need to re-install, because this issue affects the installers only.
Vendor Information

SEIKO EPSON CORPORATION
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2020-5674
References

  1. JVN : JVN#26835001
  2. JVN : JVNTA#91240916
  3. National Vulnerability Database (NVD) : CVE-2020-5674
Revision History

  • [2020/11/20]
      Web page was published

Date Public2020/11/20
Date First Published2020/11/20
Date Last Updated2020/11/20