Published:2023/05/08  Last Updated:2023/05/08

JVN#13306058
JINS MEME CORE uses a hard-coded cryptographic key

Overview

JINS MEME CORE provided by JINS Inc. uses a hard-coded cryptographic key.

Products Affected

  • JINS MEME CORE Firmware version 2.2.0 and earlier

Description

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).

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 Status

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score: 3.1
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:A/AC:M/Au:N/C:P/I:N/A:N
Base Score: 2.9
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

MASAHIRO IIDA of LAC Co.,Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-27921
JVN iPedia JVNDB-2023-000044