AttacheCase vulnerable to arbitrary script execution


AttacheCase is an open source file encryption software provided by HiBARA Software.
If a setting file _AtcCase.ini is specially crafted and it resides in the same folder where ATC file resides, it is leveraged to execute an arbitrary script when ATC file is decrypted.

Taizoh Tsukamoto of Mitsui Bussan Secure Directions, Inc. 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

HiBARA Software
  • AttacheCase ver. and earlier
  • AttacheCase ver. and earlier


A remote unauthenticated attacker may execute an arbitrary script.

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

HiBARA Software
CWE (What is CWE?)

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

  1. CVE-2018-0674
  2. CVE-2018-0675

  1. JVN : JVN#02037158
  2. National Vulnerability Database (NVD) : CVE-2018-0674
  3. National Vulnerability Database (NVD) : CVE-2018-0675
Revision History

  • [2018/08/31]
      Web page was published.
  • [2019/07/26]
      References : Contents were added