[Japanese]

JVNDB-2020-000086

Self-Extracting files created by multiple SEIKO EPSON products may insecurely load Dynamic Link Libraries

Overview

Self-Extracting files created by multiple SEIKO EPSON products contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

SEIKO EPSON CORPORATION reported this vulnerability to JPCERT/CC to notify users of its solution through JVN. JPCERT/CC and SEIKO EPSON CORPORATION coordinated under the 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
  • EpsonNet SetupManager versions 2.2.14 and earlier
  • Offirio SynergyWare PrintDirector versions 1.6x/1.6y and earlier

Impact

Arbitrary code may be executed with the privilege of the user invoking the Self-Extracting files.
Solution

[Update the software]
Update the software to the latest version according to the information provided by the developer.
According to the developer, this vulnerability has been already addressed in the following versions.
* EpsonNet SetupManager version 2.2.15
* Offirio SynergyWare PrintDirector versions 1.6.1.1/1.6.1.2

[Apply workarounds]
Applying workarounds may mitigate the impacts of this vulnerability.
* Do not use the Self-Extracting files created by the products with the affected versions.
* If it is unavoidable to excute the Self-Extracting files created by the products with the affected versions, make sure there are no untrusted files in the directory where the Self-Extracting files exist.
Vendor Information

SEIKO EPSON CORPORATION
CWE (What is CWE?)

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

  1. CVE-2020-5681
References

  1. JVN : JVNTA#91240916
  2. JVN : JVN#94244575
Revision History

  • [2020/12/18]
      Web page was published