[Japanese]

JVNDB-2024-000112

MUSASI version 3 performing authentication on client-side

Overview

MUSASI provided by NEUMANN CO.LTD. is an e-learning system for driving schools.
MUSASI version 3 performs authentication within the client-side code (CWE-603), and the client in pre-authentication state retrieves the credential information from the server just when a user ID is input.
This behavior may be exploited to fetch other users' credential information.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


NEUMANN CO.LTD.
  • MUSASI version 3

Impact

A user may retrieve another user's credential and sensitive information.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.
Version 4 has addressed this vulnerability.

The developer states that the product has completely been migrated to version 4 and version 3 is no longer available.
Vendor Information

NEUMANN CO.LTD.
CWE (What is CWE?)

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

  1. CVE-2024-45785
References

  1. JVN : JVN#31982676
Revision History

  • [2024/10/18]
      Web page was published
  • [2024/10/25]
      Vendor Information : Content was modified

Date Public2024/10/18
Date First Published2024/10/18
Date Last Updated2024/10/25