Multiple AKABEi SOFT2 LTD. games vulnerable to OS command injection


Multiple games provided by AKABEi SOFT2 LTD. contain an OS command injection vulnerability (CWE-78) due to an issue in loading saved 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 V3 Severity:
Base Metrics 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
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

  • G-senjou no Maou - The Devil on G-String

A wide range of products are affected. For more information, refer to the vendor's statement.

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

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

CWE (What is CWE?)

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

  1. CVE-2016-4853

  1. JVN : JVN#85213412
  2. National Vulnerability Database (NVD) : CVE-2016-4853
Revision History

  • [2016/08/31]
      Web page was published
      Vendor Information : Content was added
      References : Content was added