Multiple TYPE-MOON games vulnerable to OS command injection


Multiple games provided by TYPE-MOON contain an OS command injection vulnerability (CWE-78) due to an issue in loading save data.

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

CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

TYPE-MOON / Notes Co.,Ltd.
  • Fate/hollow ataraxia
  • Fate/stay night (CD, DVD)
  • Fate/stay night + hollow ataraxia set
  • Witch on the Holy Night


When specially crafted save data is loaded, an arbitrary OS command may be executed.

[Apply a Workaround]
The following workaround can mitigate the affects of this vulnerability.
* Do not load save data provided by an untrusted source.
Vendor Information

TYPE-MOON / Notes Co.,Ltd.
CWE (What is CWE?)

  1. OS Command Injection(CWE-78) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-5672

  1. JVN : JVN#80144272
  2. National Vulnerability Database (NVD) : CVE-2015-5672
Revision History

  • [2015/11/05]
      Web page was published
      References : Content was added