Installer of "Setup file of advance preparation" may insecurely load Dinamic Link Libraries


"Setup file of advance preparation" provided by National Tax Agency is software to setup the environment which is required to use "filing assistance on the NTA website".
"Setup file of advance preparation"contains an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries.

Takashi Yoshikawa of Mitsui Bussan Secure Directions 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: Low
  • User Interaction: None
  • 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

National Tax Agency JAPAN
  • Setup file of advance preparation (jizen_setup.exe) (The version which was available on the website prior to 2017 June 12) installer


Arbitrary code may be executed with the privilege of the user invoking the installer.

[Use the latest installer]
Use the latest installer according to the information provided by the developer.
Vendor Information

National Tax Agency JAPAN
CWE (What is CWE?)

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

  1. CVE-2017-2215

  1. JVN : JVN#34508179
  2. JVN : JVNTA#91240916
  3. National Vulnerability Database (NVD) : CVE-2017-2215
Revision History

  • [2017/06/09]
      Web page was published
      Affected Products : Product version was modified
      Vendor Information : Content was added
      Solution was modified
      References : Content was added