[Japanese]

JVNDB-2023-000044

JINS MEME CORE uses a hard-coded cryptographic key

Overview

JINS MEME CORE provided by JINS Inc. is a nose pad type sensor attached to a glass frame. JINS MEME CORE uses a hard-coded cryptographic key (CWE-321).

MASAHIRO IIDA of LAC Co.,Ltd. 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 3.1 (Low) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.9 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


JINS Inc.
  • JINS MEME CORE Firmware version 2.2.0 and earlier

Impact

A network-adjacent attacker may decrypt data acquired by a sensor of the affected product.
Solution

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

JINS Inc.
CWE (What is CWE?)

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

  1. CVE-2023-27921
References

  1. JVN : JVN#13306058
  2. National Vulnerability Database (NVD) : CVE-2023-27921
Revision History

  • [2023/05/08]
      Web page was published
  • [2024/06/13]
      References : Content was added

Date Public2023/05/08
Date First Published2023/05/08
Date Last Updated2024/06/13