[Japanese]

JVNDB-2019-000037

A map plugin for Mincraft server "Dynmap" fails to restrict access permissions

Overview

A map plugin for Mincraft server "Dynmap" fails to restrict access permissions (CWE-284).

RyotaK directly reported this vulnerability to the developer and coordinated on his own.
After coordination was completed, this case was reported to IPA, and JPCERT/CC coordinated with the developer for the publication under Information Security Early Warning
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 5.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products


Webbukkit
  • Dynmap v3.0-beta-3 and earlier

Impact

Under the circumstance where a user is required to login Dynmap, a remote attacker may bypass the login authentication and be able to see a map image that requires authentication.
Solution

[Update the Plugin]
Update to the latest version of Dynmap according to the information provided by the developer.
Vendor Information

Webbukkit
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2019-12395
References

  1. JVN : JVN#89046645
Revision History

  • [2019/06/13]
      Web page was published