C-BOARD Moyuku vulnerable to arbitrary file creation


C-BOARD Moyuku is a bulletin board software. C-BOARD Moyuku contains a vulnerability that may allow a remote attacker to create arbitrary files.

Shoji Baba reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 7.5 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial

Affected Products

C-BOARD Moyuku Project
  • C-BOARD Moyuku v1.03b2 and earlier


A remote attacker creating arbitrary files may result in arbitrary code execution on the server.

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

C-BOARD Moyuku Project
CWE (What is CWE?)

  1. Improper Input Validation(CWE-20) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-0877

  1. JVN : JVN#73261710
  2. National Vulnerability Database (NVD) : CVE-2015-0877
Revision History

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